Histologie Preparation (Pr. Chhut Sereyvathana)

/90

1 / 90

In which layer of the epidermis are cells mitotically active?

a. stratum basale

b. stratum granulosum

c. stratum lucidum

d. stratum corneum

e. thick skin

2 / 90

Interstitial cells within the renal glomerulus, whose functions are uncertain but may include phagocytosis and maintenance of the glomerular basement membrane, are the:

a. juxtaglomerular cells.

b. transitional epithelium.

c. macula densa.

d. mesangial cells.

e. podocytes.

3 / 90

Which of the following is NOT an “epidermal appendage” (i.e., NOT comprised of epithelial tissue)?

a. duct of sweat gland.

b. arrector pili muscle.

c. sebaceous gland.

d. hair follicle.

e. secretory portion of sweat gland.

4 / 90

Glomerular capillaries are supported on the outside (adjacent to the urinary space) by:

a. pericytes

b. fibroblasts

c. mesangial cells.

d. juxtaglomerular cells.

e. podocyte foot processes.

5 / 90

Arteries which form arches along the border between the cortex and the medulla of the kidney are called:

a. afferent arteries.

b. vasa recta.

c. interlobar arteries.

d. interlobular arteries.

e. arcuate arteries.

6 / 90

Which cells secrete a product which converts angiotensinogen to angiotensin?

a. epithelial cells of collecting duct.

b. epithelial cells of Bowman's capsule.

c. juxtaglomerular cells.

d. epithelial cells of proximal and distal convoluted tubules.

e. podocytes.

7 / 90

Transitional epithelium lines all of the following EXCEPT the:

a. renal pelvis.

b. ureter.

c. Bowman's capsule.

d. bladder.

e. proximal urethra.

8 / 90

Identify the CORRECT statement

a. The granulosa cells of the ovarian follicle secrete progesterone.

b. Progesterone and oestrogen are the main stimulants of milk secretion in the mammary gland.

c. The corpus albicans of the ovary is the functional homologue of the tunica albuginea in males.

d. A distinct zona pelucida separates the oocyte and follicular cells of primordial ovarian follicles.

e. The term "atresia" refers to the degeneration of follicles during development and adult life.

9 / 90

Identify the INCORRECT statement(6)

a. Each testis contains about 500 to 1000 seminiferous tubules.

b. The tunica albuginea is composed of dense fibrous connective tissue.

c. Leydig cells are located outside the seminiferous tubule and they secrete testosterone.

d. Spermatids divide to give rise to spermatocytes.

e. There are two vaginalis layers, parietal and visceral.

10 / 90

10)

Regions of cortical parenchyma located between medullary pyramids (pyramids of Malpighii) rather than adjacent to the surface of the kidney are called:

a. papillae

b. calyces

c. columns of Bertin.

d. renal lobules.

e. medullary rays.

11 / 90

11)

Which cell type is responsible for the pigmentation of the skin?

a. melanocyte

b. keratinocyte

c. fibroblast

d. Langerhans cell

e. myoepithelial cell

12 / 90

12)

Which of the following typically includes dead cells with pyknotic nuclei?

a. hair follicle.

b. duct of sweat gland.

c. arrector pili muscle.

d. sebaceous gland.

e. secretory portion of sweat gland.

13 / 90

13)

Which of the following is CORRECT regarding the stratum spinosum?

a. The cells of the stratum spinosum are flat without nuclei.

b. Langerhans cells are found mostly in the stratum spinosum.

c. The stratum spinosum sits between the stratum corneum and the stratum granulosum.

d. Merkel cells are the outermost sentinels of the cellular immune system.

e. The stratum spinosum is formed from daughter cells of the stratum corneum.

14 / 90

14)

The region of the kidney containing glomeruli is called the:

a. pelvis.

b. cortex

c. calyx.

d. papillae.

e. medulla.

15 / 90

15)

Which of the following is CORRECT regarding the epidermis?

a. The stratum basale is secured to the basement membrane by zonula adherens.

b. There are six layers to the epidermis.

c. The main cell of the epidermis is the polyhedral cell.

d. The stratum basale consist of non-dividing keratinocytes.

e. The epidermis is defined as a stratified squamous epithelium.

16 / 90

16)

Identify the INCORRECT statement

a. Merocrine and apocrine sweat glands are simple tubular coiled glands.

b. Merocrine sweat glands, sebaceous glands and hair together form a pilosebaceous unit.

c. . Langerhans cells function in the immune system and can leave the epidermis after exposure to antigens.

d. The renewal of the human epidermis through the mitotic activity of basal cells takes 3-4 weeks.

e. Sebaceous gland is a simple branched alveolar gland.

17 / 90

17)

Identify the INCORRECT statement

a. The mammary gland is a merocrine and apocrine secretion.

b. The formation of new oocytes stops before birth.

c. Like sweat glands, mammary glands are simple tubular glands.

d. Growth of the mammary gland is initiated by oestrogen and progesterone produced in the ovaries and placenta.

e. Primordial ovarian follicles are characterized by a single layer of flattened follicular cells which surround the oocyte.

18 / 90

18)

Identify the CORRECT statement

a. Collecting ducts are not permeable to water in the presence of antidiuretic hormone (ADH).

b. A distinct zona pelucida separates the oocyte and follicular cells of primordial ovarian follicles.

c. The functionalis of the endometrium of uterus and cervix is shed during menstruation.

d. Like sweat glands, mammary glands are simple tubular glands.

e. Complex mucosal folds give the lumen of the ampulla of the oviduct a very irregular outline.

19 / 90

19)

The region of the kidney containing distal convoluted tubules is called the:

a. cortex

b. hilus

c. medulla

d. capsule

e. pelvis

20 / 90

20)

Identify the CORRECT statement

a. The outer part of the seminiferous epithelium is formed by 3-4 layers of smooth muscle.

b. The Sertoli cells are located outside the seminiferous tubule.

c. The testes are surrounded by a thick connective tissue capsule, the tunica albuginea.

d. Testosterone produced by the male accessory reproductive glands (seminal vesicle and prostate) causes the development of the masculine extragenital sex characteristics.

e. By the first meiotic division B-spermatogonia give rise to primary spermatocytes.

21 / 90

21)

Identify the INCORRECT statement

a. The increase in the surface area of proximal tubule cells by numerous long microvilli facilitates the absorption of nutritionally valuable substances from the primary urine.

b. The parietal layer of Bowman’s capsule in a simple squamous epithelium.

c. The filtration slit membrane between the pedicels of podocytes is part of the glomerular filtration barrier.

d. The osmotic absorption of water by the proximal tubule cells reduces the volume of the primary urine by about 75%.

e. Juxtaglomerular cells surrounding the afferent arteriole of the glomerulus release angiotensin II to increase glomerular filtration.

22 / 90

22)

Identify the INCORRECT statement

a. The principal function of the thin tubule of the nephron is the resorption of nutritionally valuable substances from the primary urine.

b. Podocytes form the visceral layer of Bowman's capsule.

c. Transitional epithelium lines the ureter.

d. The increase in the surface area of proximal tubule cells by numerous long microvilli facilitates the absorption of nutritionally valuable substances from the primary urine.

e. Stratified squamous epithelium lines the distal part of the male and female urethra.

23 / 90

23)

The capsule of the kidney consists of:

a. dense fibrous connective tissue.

b. adipose connective tissue.

c. endothelium.

d. transitional epithelium.

e. loose cellular connective tissue with many lymphocytes.

24 / 90

24)

In which layer of the epidermis do cells contain keratohyalin granules?

a. stratum granulosum

b. pilosebaceous unit

c. hair follicle

d. hairy skin

e. papillary dermis

25 / 90

25)

Vessels which connect glomerular capillaries with peritubular capillaries are called:

a. vasa recta.

b. afferent arterioles.

c. efferent arterioles.

d. peritubular capillaries.

e. arcuate arteries.

26 / 90

26)

The basement membrane lies between:

a. papillary and reticular layers of dermis.

b. stratum spinosum and stratum granulosum.

c. stratum granulosum and stratum corneum.

d. epidermis and dermis.

e. stratum basale and stratum spinosum.

27 / 90

27)

Identify the CORRECT statement

a. The tubuli recti join the ductuli efferentes to the ductus epididymis.

b. After ovulation, thecal cells and granulosa cells form the corpus luteum.

c. A fluid filled hollow, the antrum, is a characteristic feature of primary follicles.

d. Hormone production of the corpus luteum stops after the implantation of the embryo.

e. A distinct zona pelucida separates the oocyte and follicular cells of primordial follicles.

28 / 90

28)

Which cell type of the epidermis is involved in the mediation of immune responses?

a. myoepithelial cell

b. Merkel cell

c. melanocyte

d. Langerhans cell

e. keratinocyte

29 / 90

29)

Which of the following is CORRECT regarding the stratum spinosum?

a. Merkel cells are the outermost sentinels of the cellular immune system.

b. Langerhans cells are found mostly in the stratum corneum.

c. The stratum spinosum is formed from daughter cells of the basal layer.

d. The stratum spinosum sits between the stratum corneum and the stratum granulosum.

e. The cells of the stratum spinosum are flat without nuclei.

30 / 90

30)

Which of the following layers lies nearest the dermis?

a. stratum basale or stratum germinativum.

b. stratum corneum.

c. stratum lucidum.

d. stratum granulosum.

e. stratum spinosum or stratum Malpighii.

31 / 90

31)

Identify the CORRECT statement(7)

a. Juxtaglomerular cells surrounding the afferent arteriole of the glomerulus release angiotensin II to increase glomerular filtration.

b. The macula densa is formed by a specialized section of the epithelium lining the distal tubule as it contacts the glomerulus and its afferent and efferent arterioles.

c. The parietal layer of Bowman’s capsule contains mesangial cells.

d. The glomerular filtration barrier is formed by the cells of the parietal layer of Bowman's capsule and the basal lamina of the glomerular capillaries.

e. The incomplete basal lamina of the discontinuous glomerular capillaries facilitates the formation of the glomerular filtrate.

32 / 90

32)

Podocytes are:

a. simple cuboidal epithelial cells.

b. simple squamous epithelial cells.

c. unique epithelial cells with many interdigitating processes.

d. simple columnar epithelial cells.

e. not epithelial cells.

33 / 90

33)

Which of the following epithelial cells of the urinary tract are simple squamous, without apparent structural specialization?

a. glomerular epithelium (podocytes).

b. collecting duct epithelium.

c. Bowman's capsule epithelium.

d. transitional epithelium.

e. distal convoluted tubule epithelium.

34 / 90

34)

Identify the CORRECT statement(2)

a. Transitional epithelium lining the tubules of the nephron allows the tubules to expand if large amounts of primary urine are formed.

b. Collecting ducts are not permeable to water in the presence of antidiuretic hormone.

c. The macula densa is formed by a specialized section of the epithelium lining the distal tubule as it contacts the glomerulus and its afferent and efferent arterioles.

d. Juxtaglomerular cells surrounding the afferent arteriole of the glomerulus release angiotensin II to increase glomerular filtration.

e. The glomerular filtration barrier is formed by the cells of the parietal layer of Bowman's capsule and the basal lamina of the glomerular capillaries.

35 / 90

35)

Identify the INCORRECT statement

a. The prophase of primary spermatocytes is extremely prolonged.

b. Testosterone produced by the male accessory reproductive glands (seminal vesicle and prostate) causes the development of the masculine extragenital sex characteristics.

c. The seminiferous epithelium consists of spermatogenic cells and Sertoli cells.

d. Processes of Sertoli cells form the blood-testis barrier.

e. The epithelium of the tubuli recti is pseudostratified columnar.

36 / 90

36)

Identify the CORRECT statement(1)

a. The glomerular filtration barrier is formed by the cells of the parietal layer of Bowman's capsule and the basal lamina of the glomerular capillaries.

b. The principal function of the thin tubule of the nephron is the resorption of nutritionally valuable substances from the primary urine.

c. Podocytes form the parietal layer of Bowman’s capsule.

d. Stratified squamous epithelium lines the distal part of the male and female urethra.

e. The incomplete basal lamina of the discontinuous glomerular capillaries facilitates the formation of the glomerular filtrate.

37 / 90

37)

The loose, adipose connective tissue layer of skin is:

a. mucosa

b. lamina propria

c. dermis

d. hypodermis

e. epidermis

38 / 90

38)

Identify the INCORRECT statement

a. Long nephron contains large renal corpuscle

b. The afferent arteriole will branch to capillaries of the glomerulus.

c. The normal thickness the GBM is between 300 and 350 micrometers.

d. The lamina rara externa of the GBM is attaching to the podocyte

e. Short nephron contains large renal corpuscle which is located near the medulla

39 / 90

39)

The normal thickness of the glomerular basement membrane (the GBM) is between:

a. 300 and 350 micrometers.

b. 0.3 and 0.35 micrometers.

c. 30 and 35 micrometers.

d. 30 and 35 nanometers.

e. 3 and 3.5 micrometers.

40 / 90

40)

Identify the INCORRECT statement(1)

a. Podocytes form the visceral layer of Bowman's capsule.

b. The glomerular filtration slit is around 20 to 30 nm.

c. The osmotic absorption of water by the proximal tubule cells reduces the volume of the primary urine by about 75%.

d. The glomerular filtration barrier is formed by the cells of the parietal layer of Bowman's capsule and the basal lamina of the glomerular capillaries.

e. The transport of sodium ions over the epithelia lining the ascending thin and straight distal tubules creates the osmotic gradient necessary for the resorption of water from the urine passing through the collecting ducts.

41 / 90

41)

Which cells respond to aldosterone?

a. podocytes.

b. epithelial cells of distal tubules.

c. mesangial cells.

d. juxtaglomerular cells.

e. epithelial cells of Bowman's capsule.

42 / 90

42)

Identify the CORRECT statement

a. Leydig cells are located inside the seminiferous tubule.

b. Leydig cells provide structural and nutritional support for the developing spermatocytes.

c. Ejaculation results from smooth muscle contractions around the vas deferens and ductus epididymis.

d. The outer part of the seminiferous epithelium is formed by 3-4 layers of smooth muscle.

e. Spermatocytes which leave the testis are structurally mature and motile.

43 / 90

43)

Juxtaglomerular cells secrete:

a. urea.

b. angiotensinogen.

c. renin.

d. antiduretic hormone.

e. aldosterone.

44 / 90

44)

The macula densa consists of:

a. extraglomerular mesangial cells.

b. closely-packed nuclei in the epithelium of the proximal convoluted tubule.

c. modified smooth muscle cells.

d. closely-packed nuclei in the epithelium of the distal convoluted tubule.

e. densely packed collagen fibers in the juxtaglomerular interstitium.

45 / 90

45)

Identify the CORRECT statement

a. Spermatocytes which leave the testis are structurally mature and motile.

b. Spermatocytes are stored in the terminal part of the seminal vesicles.

c. The rete testis is lined by stratified squamous epithelium.

d. The Sertoli cells are located outside the seminiferous tubule.

e. Differences in the height of the epithelium give the lumen of the ductuli efferentes an irregular outline.

46 / 90

46)

The glands most closely associated with hair follicles are:

a. sebaceous glands.

b. lymphatic glands.

c. submucosal glands.

d. eccrine sweat glands.

e. mammary glands.

47 / 90

47)

Identify the CORRECT statement

a. Merocrine sweat glands, sebaceous glands and hair together form a pilosebaceous unit.

b. The papillary layer of the dermis contains fine collagen and elastic fibers and the capillary network which supplies the epidermis.

c. The secretory ducts of sweat gland are lined by a stratified squamous epithelium.

d. The excretory ducts of sweat gland are lined by a stratified squamous epithelium.

e. The synthesis of melanin by basal cells is under hormonal control.

48 / 90

48)

Identify the CORRECT statement

a. Short nephron contains small renal corpuscle located near the renal capsule.

b. The capillaries of the glomerulus are continuous type.

c. The protein albumin is normally filtrated in the glomerulus.

d. The lamina rara interna of the GBM is attaching to the podocyte.

e. The renal lobule contains many renal lobes.

49 / 90

49)

Which of the following layers lies nearest the outer surface of the epidermis?

a. stratum lucidum.

b. stratum corneum.

c. stratum spinosum or stratum Malpighii.

d. stratum granulosum

e. stratum basale or stratum germinativum.

50 / 90

50)

Identify the CORRECT statement(3)

a. "Tertiary follicle", "preovulatory follicle" and "Graafian follicle" are synonymous terms.

b. Hormone production of the corpus luteum stops after the implantation of the embryo.

c. The secondary ovarian follicle contains no antrum.

d. A distinct zona pelucida separates the oocyte and follicular cells of primordial ovarian follicles.

e. The infundibulum of the oviduct passes through the wall of the uterus.

51 / 90

51)

The epithelial layer of skin is:

a. dermis

b. lamina propria

c. hypodermis

d. mucosa

e. epidermis

52 / 90

52)

The tissue composition of hair follicles is most similar to:

a. reticular layer of dermis.

b. hypodermis

c. papillary layer of dermis.

d. sweat gland.

e. epidermis

53 / 90

53)

The outer lining of Bowman’s capsule (the parietal epithelilum) consists of a single layer of:

a. podocytes

b. cuboidal cells.

c. mesangial cells.

d. squamous cells.

e. pericytes

54 / 90

54)

The region of the kidney containing proximal convoluted tubules is called the:

a. cortex

b. pelvis

c. papillae

d. medulla

e. calyx

55 / 90

55)

The fibrous connective tissue layer of skin is:

a. dermis

b. lamina propria

c. mucosa

d. hypodermis

e. epidermis

56 / 90

56)

Identify the INCORRECT statement

a. The first meiotic division of primary spermatocytes will give rise the secondary spermatocytes.

b. The maturation of spermatids into spermatozoides is called spermiogenesis.

c. Leydig cells provide structural and nutritional support for the developing spermatocytes.

d. The testes are surrounded by a thick connective tissue capsule, the tunica albuginea.

e. The prophase of primary spermatocytes is extremely prolonged.

57 / 90

57)

Arrector pili muscle consist of:

a. columnar epithelium.

b. squamous epithelium.

c. lymphocytes

d. smooth muscle.

e. glandular epithelium.

58 / 90

58)

Identify the INCORRECT statement

a. By the first meiotic division B-spermatogonia give rise to primary spermatocytes.

b. Differences in the height of the epithelium give the lumen of the ductuli efferentes an irregular outline.

c. The ducts which form the rete testis connect the tubuli recti with the ductuli efferentes.

d. Each seminiferous tubule is about 30 to 80 cm long.

e. The prophase of primary spermatocytes is extremely prolonged.

59 / 90

59)

Which layer is exceptionally thick in so-called “thick skin” (i.e., palmar and plantar skin)?

a. hypodermis

b. dermis

c. papillary dermis

d. stratum basale of epidermis.

e. stratum corneum of epidermis

60 / 90

60)

Which layer of the epidermis is responsible for the barrier function of the epidermis?

a. stratum basale

b. stratum corneum

c. thin skin

d. stratum granulosum

e. stratum spinosum

61 / 90

61)

Smooth muscle cells of renal arterioles which are modified for endocrine secretion are called:

a. podocytes

b. juxtaglomerular cells.

c. mesangial cells.

d. pericytes

e. fibroblasts

62 / 90

62)

Identify the INCORRECT statement

a. The macula densa cells are found in the distal tubule faced to the vascular pole.

b. Stratified squamous epithelium lines the distal part of the male and female urethra.

c. The filtration slit membrane between the pedicles of podocytes is part of the glomerular filtration barrier.

d. An inner layer of circular smooth muscle and an outer layer of longitudinal smooth muscle are found in both the ureter and bladder.

e. Renin is released by juxtaglomerular cells which surround the afferent arteriole of the glomerulus.

63 / 90

63)

Identify the INCORRECT statement.

a. Hormone production of the corpus luteum stops after the implantation of the embryo.

b. The term "atresia" refers to the degeneration of follicles during development and adult life.

c. Growth of the mammary gland is initiated by oestrogen and progesterone produced in the ovaries and placenta.

d. The epithelium that lines the ductuli efferntes is ciliated pseudostratified columnar epithelium.

e. After ovulation, thecal cells and granulosa cells form the corpus luteum.

64 / 90

64)

Which cells repond to antiduretic hormone (ADH)?

a. podocytes.

b. epithelial cells of Bowman's capsule.

c. epithelial cells of collecting duct.

d. mesangial cells.

e. juxtaglomerular cells.

65 / 90

65)

Which epithelial cells of the urinary tract are specialized with an apical brush border of microvilli?

a. Bowman's capsule epithelium.

b. collecting duct epithelium.

c. proximal convoluted tubule epithelium.

d. distal convoluted tubule epithelium.

e. epithelium lining the thin segment of the loop of Henle.

66 / 90

66)

Which connective tissue layer lies closest to the epidermis:

a. reticular layer of dermis.

b. papillary layer of dermis.

c. lamina propria

d. stratum corneum

e. hypodermis

67 / 90

67)

Identify the INCORRECT statement

a. The basalis of the endometrium regenerates the functionalis after menstruation.

b. Prolactin and oxytocin are the main stimulants of milk secretion in the mammary gland.

c. Progesterone and oestrogen are the main stimulants of milk secretion in the mammary gland.

d. The mammary glands are modified glands of the skin.

e. Primordial ovarian follicles are characterized by a single layer of flattened follicular cells which surround the oocyte.

68 / 90

68)

Vessels which connect interlobular arteries with glomerular capillaries are called:

a. efferent arterioles.

b. peritubular capillaries.

c. arcuate arteries.

d. vasa recta.

e. afferent arterioles.

69 / 90

69)

Which structures are present in “thick skin” (i.e., palmar and plantar skin)?

a. hair follicles.

b. sebaceous glands.

c. arrector pili.

d. sweat glands.

e. apocrine sweat glands.

70 / 90

70)

The region of the kidney where artery, vein and ureter are attached is called the:

a. pelvis.

b. medulla.

c. hilus.

d. cortex.

e. calyx.

71 / 90

71)

The region of the kidney containing long loops of Henle is called the:

a. calyx

b. pelvis

c. cortex

d. papillae

e. medulla

72 / 90

72)

The lumen of glomerular capillaries is lined by:

a. mesangial cells.

b. continuous endothelium.

c. fenestrated endothelium.

d. juxtaglomerular cells.

e. podocytes foot processes.

73 / 90

73)

Identify the INCORRECT statement

a. Langerhans cells function in the immune system and can leave the epidermis after exposure to antigens.

b. The epidermis of the thin skin has four stratum

c. The overall orientation of collagen fibers in the dermis will follow the 'lines of greatest tension'.

d. The renewal of the human epidermis through the mitotic activity of basal cells takes 3-4 weeks.

e. The excretory ducts of sweat gland are lined by a stratified squamous epithelium.

74 / 90

74)

Which of the following is CORRECT regarding the stratum basale?

a. Melanocytes store melanin, which is synthesized by keratinocytes.

b. Merkel cells are involved in immune responses.

c. The main cell type of the stratum basale is the melanocyte.

d. The stratum basale consists of non-dividing keratinocytes.

e. Forms the base layer of the epidermis.

75 / 90

75)

Identify the INCORRECT statement(2)

a. The formation of new oocytes stops before birth.

b. The wall of the vagina consists of a mucosa, muscularis mucosae, submucosa, muscularis and adventitia.

c. Sensory stimulation of the nipple initiates the milk ejection reflex via the secretion of oxytocin from the neurohypophysis.

d. The vagina is lined by stratified squamous epithelium.

e. The mammary glands are modified glands of the skin.

76 / 90

76)

Identify the INCORRECT statement(5)

a. Renin is released by juxtaglomerular cells which surround the afferent arteriole of the glomerulus.

b. The macula densa is formed by a specialized section of the epithelium lining the distal tubule as it contacts the glomerulus and its afferent and efferent arterioles.

c. The increase in the surface area of proximal tubule cells by numerous long microvilli facilitates the absorption of nutritionally valuable substances from the primary urine.

d. An inner layer of circular smooth muscle and an outer layer of longitudinal smooth muscle are found in both the ureter and bladder.

e. The second meiotic division of secondary spermatocytes will give rise the spermatids.

77 / 90

77)

Which of the following consists of stratified (two-layered) cuboidal epithelium?

a. sebaceous gland.

b. hair follicle.

c. secretory portion of sweat gland.

d. duct of sweat gland.

e. arrector pili muscle.

78 / 90

78)

The region of the kidney containing larger collecting ducts is called the:

a. cortex

b. calyx

c. medulla

d. pelvis

e. papilla

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79)

Which segment of the nephron functions to filter fluid from blood into urinary space?

a. glomerulus.

b. proximal convoluted tubule.

c. collecting duct.

d. distal convoluted tubule.

e. loop of Henle.

80 / 90

80)

Identify the INCORRECT statement

a. Primordial ovarian follicles are characterized by a single layer of flattened follicular cells which surround the oocyte.

b. The term "atresia" refers to the degeneration of follicles during development and adult life.

c. A fluid filled hollow, the antrum, is a characteristic feature of primary ovarian follicles.

d. After ovulation, thecal cells and granulosa cells form the corpus luteum.

e. Ovarian surface is lined by simple cuboidal epithelium

81 / 90

81)

The region of glomerulus (renal corpuscle) where the urinary space drains into the proximal convoluted tubule is called the:

a. mesangium.

b. juxtaglomerular apparatus.

c. area cribosa.

d. vascular pole.

e. urinary (tubular) pole

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82)

Filtration slits are located between adjacent:

a. capillary fenestrations.

b. layers of the glomerular basement membrane.

c. podocyte foot processes

d. capillary endothelial cells.

e. mesangial cells.

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83)

Mesangial cells are:

a. unique epithelial cells with many interdigitating processes.

b. not epithelial cells.

c. simple columnar epithelial cells.

d. simple cuboidal epithelial cells.

e. simple squamous epithelial cells.

84 / 90

84)

Identify the CORRECT statement(4)

a. The incomplete basal lamina of the discontinuous glomerular capillaries facilitates the formation of the glomerular filtrate.

b. The outer layer of renal capsule contains many myofibroblasts.

c. The pyramid of Malpighi is in the renal cortex

d. Transitional epithelium lining the tubules of the nephron allows the tubules to expand if large amounts of primary urine are formed.

e. Stratified squamous epithelium lines the distal part of the male and female urethra.

85 / 90

85)

Which cell type is not normally found in the epidermis?

a. Langerhans cells.

b. melanocytes

c. Merkel cells.

d. fibroblasts

e. keratinocytes (or "prickle cells").

86 / 90

86)

Identify the INCORRECT statement

a. The acini of the secretory part of the mammary gland are formed during pregnancy.

b. The mammary glands are modified glands of the skin.

c. Primordial ovarian follicles are characterized by a single layer of flattened follicular cells which surround the oocyte.

d. Sensory stimulation of the nipple initiates the milk ejection reflex via the secretion of oxytocin from the neurohypophysis.

e. The functionalis of the endometrium of uterus and cervix is shed during menstruation.

87 / 90

87)

The projections of dermis upward, indenting the bottom of the epidermis, are called:

a. dermal papillae

b. arrector pili muscle

c. sweat gland ducts

d. Meissner's corpuscles

e. epidermal appendages

88 / 90

88)

The region of glomerulus (renal corpuscle) where the capillary tuft is attached is called the:

a. urinary (tubular) pole.

b. area cribosa.

c. juxtaglomerular apparatus.

d. vascular pole.

e. mesangium

89 / 90

89)

Identify the INCORRECT statement

a. Growth of the mammary gland is initiated by oestrogen and progesterone produced in the ovaries and placenta.

b. The mammary glands are modified glands of the skin.

c. The basalis of the endometrium regenerates the functionalis after menstruation.

d. The mammary gland contains 15 to 20 lobes.

e. The myometrium of the uterus is important for the transport of the oocyte and sperm.

90 / 90

90)

Identify the INCORRECT statement

a. Ejaculation results from smooth muscle contractions around the vas deferens and ductus epididymis.

b. Spermatids divide to give rise to spermatocytes.

c. The epithelium that lines the rete testis is a simple cuboidal epithelium.

d. The seminiferous epithelium consists of spermatogenic cells and Sertoli cells.

e. The ducts which form the rete testis connect the tubuli recti with the ductuli efferentes.

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត