Histologie Preparation (Pr. Chhut Sereyvathana)

/90

951

1 / 90

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

a. pelvis

b. papillae

c. calyx

d. medulla

e. cortex

2 / 90

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

a. distal convoluted tubule epithelium.

b. glomerular epithelium (podocytes).

c. Bowman's capsule epithelium.

d. collecting duct epithelium.

e. transitional epithelium.

3 / 90

Identify the INCORRECT statement.

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

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

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

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

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

4 / 90

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

a. medulla

b. papilla

c. cortex

d. calyx

e. pelvis

5 / 90

Identify the INCORRECT statement

a. The formation of new oocytes stops before birth.

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

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

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

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

6 / 90

The tissue composition of hair follicles is most similar to:

a. papillary layer of dermis.

b. reticular layer of dermis.

c. hypodermis

d. epidermis

e. sweat gland.

7 / 90

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

a. arcuate arteries.

b. vasa recta.

c. afferent arteries.

d. interlobular arteries.

e. interlobar arteries.

8 / 90

Identify the INCORRECT statement

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

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

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

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.

9 / 90

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

a. collecting duct.

b. distal convoluted tubule.

c. proximal convoluted tubule.

d. loop of Henle.

e. glomerulus.

10 / 90

10)

Identify the INCORRECT statement

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

b. Sebaceous gland is a simple branched alveolar gland.

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

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

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

11 / 90

11)

Identify the INCORRECT statement

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

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

c. The prophase of primary spermatocytes is extremely prolonged.

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

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

12 / 90

12)

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

a. squamous cells.

b. podocytes

c. pericytes

d. cuboidal cells.

e. mesangial cells.

13 / 90

13)

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

a. stratum corneum

b. thin skin

c. stratum basale

d. stratum spinosum

e. stratum granulosum

14 / 90

14)

Identify the CORRECT statement(7)

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

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

c. 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.

d. 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.

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

15 / 90

15)

Juxtaglomerular cells secrete:

a. renin.

b. angiotensinogen.

c. urea.

d. aldosterone.

e. antiduretic hormone.

16 / 90

16)

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

a. dermis

b. stratum basale of epidermis.

c. papillary dermis

d. stratum corneum of epidermis

e. hypodermis

17 / 90

17)

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.

18 / 90

18)

Identify the CORRECT statement

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

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

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

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

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

19 / 90

19)

Which cell type is not normally found in the epidermis?

a. fibroblasts

b. keratinocytes (or "prickle cells").

c. Langerhans cells.

d. Merkel cells.

e. melanocytes

20 / 90

20)

Which of the following is CORRECT regarding the stratum spinosum?

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

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

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

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

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

21 / 90

21)

Identify the CORRECT statement

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

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

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

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

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

22 / 90

22)

Identify the CORRECT statement(2)

a. 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.

b. 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.

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

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

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

23 / 90

23)

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

a. mesangial cells.

b. macula densa.

c. podocytes.

d. juxtaglomerular cells.

e. transitional epithelium.

24 / 90

24)

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

a. arrector pili.

b. apocrine sweat glands.

c. sebaceous glands.

d. hair follicles.

e. sweat glands.

25 / 90

25)

Identify the CORRECT statement(1)

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

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

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

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

26 / 90

26)

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

a. melanocyte

b. Langerhans cell

c. Merkel cell

d. myoepithelial cell

e. keratinocyte

27 / 90

27)

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

a. 30 and 35 micrometers.

b. 300 and 350 micrometers.

c. 0.3 and 0.35 micrometers.

d. 30 and 35 nanometers.

e. 3 and 3.5 micrometers.

28 / 90

28)

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

a. columns of Bertin.

b. calyces

c. renal lobules.

d. medullary rays.

e. papillae

29 / 90

29)

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

a. podocyte foot processes.

b. mesangial cells.

c. fibroblasts

d. pericytes

e. juxtaglomerular cells.

30 / 90

30)

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

a. area cribosa.

b. urinary (tubular) pole

c. vascular pole.

d. juxtaglomerular apparatus.

e. mesangium.

31 / 90

31)

Arrector pili muscle consist of:

a. smooth muscle.

b. lymphocytes

c. glandular epithelium.

d. columnar epithelium.

e. squamous epithelium.

32 / 90

32)

The epithelial layer of skin is:

a. dermis

b. epidermis

c. lamina propria

d. hypodermis

e. mucosa

33 / 90

33)

Identify the CORRECT statement

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

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

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

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

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

34 / 90

34)

Identify the CORRECT statement

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

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

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

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

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

35 / 90

35)

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

a. arrector pili muscle.

b. sebaceous gland.

c. secretory portion of sweat gland.

d. hair follicle.

e. duct of sweat gland.

36 / 90

36)

Identify the INCORRECT statement

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

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

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

d. Long nephron contains large renal corpuscle

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

37 / 90

37)

The region of the kidney containing glomeruli is called the:

a. pelvis.

b. medulla.

c. papillae.

d. calyx.

e. cortex

38 / 90

38)

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

a. stratum granulosum

b. papillary dermis

c. hairy skin

d. hair follicle

e. pilosebaceous unit

39 / 90

39)

Vessels which connect glomerular capillaries with peritubular capillaries are called:

a. vasa recta.

b. efferent arterioles.

c. peritubular capillaries.

d. arcuate arteries.

e. afferent arterioles.

40 / 90

40)

The lumen of glomerular capillaries is lined by:

a. continuous endothelium.

b. mesangial cells.

c. podocytes foot processes.

d. fenestrated endothelium.

e. juxtaglomerular cells.

41 / 90

41)

The loose, adipose connective tissue layer of skin is:

a. epidermis

b. dermis

c. lamina propria

d. mucosa

e. hypodermis

42 / 90

42)

The macula densa consists of:

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

b. extraglomerular mesangial cells.

c. densely packed collagen fibers in the juxtaglomerular interstitium.

d. modified smooth muscle cells.

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

43 / 90

43)

Identify the INCORRECT statement(2)

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

b. The formation of new oocytes stops before birth.

c. The vagina is lined by stratified squamous epithelium.

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

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

44 / 90

44)

Which cells repond to antiduretic hormone (ADH)?

a. juxtaglomerular cells.

b. epithelial cells of Bowman's capsule.

c. epithelial cells of collecting duct.

d. mesangial cells.

e. podocytes.

45 / 90

45)

The basement membrane lies between:

a. stratum spinosum and stratum granulosum.

b. stratum granulosum and stratum corneum.

c. epidermis and dermis.

d. stratum basale and stratum spinosum.

e. papillary and reticular layers of dermis.

46 / 90

46)

Identify the INCORRECT statement

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

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

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

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

47 / 90

47)

Identify the INCORRECT statement(1)

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

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

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

d. 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.

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.

48 / 90

48)

Identify the INCORRECT statement

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

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

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

d. The prophase of primary spermatocytes is extremely prolonged.

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

49 / 90

49)

Mesangial cells are:

a. simple cuboidal epithelial cells.

b. simple columnar epithelial cells.

c. simple squamous epithelial cells.

d. unique epithelial cells with many interdigitating processes.

e. not epithelial cells.

50 / 90

50)

Identify the INCORRECT statement(5)

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

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

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

51 / 90

51)

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

a. medulla.

b. hilus.

c. cortex.

d. pelvis.

e. calyx.

52 / 90

52)

Transitional epithelium lines all of the following EXCEPT the:

a. renal pelvis.

b. proximal urethra.

c. bladder.

d. ureter.

e. Bowman's capsule.

53 / 90

53)

Identify the CORRECT statement

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

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

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

d. The renal lobule contains many renal lobes.

e. The capillaries of the glomerulus are continuous type.

54 / 90

54)

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

a. pericytes

b. fibroblasts

c. juxtaglomerular cells.

d. mesangial cells.

e. podocytes

55 / 90

55)

Identify the CORRECT statement(4)

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

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

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

d. The pyramid of Malpighi is in the renal cortex

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

56 / 90

56)

The capsule of the kidney consists of:

a. loose cellular connective tissue with many lymphocytes.

b. dense fibrous connective tissue.

c. transitional epithelium.

d. adipose connective tissue.

e. endothelium.

57 / 90

57)

Identify the CORRECT statement

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

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

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

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

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

58 / 90

58)

Which of the following is CORRECT regarding the stratum basale?

a. Forms the base layer of the epidermis.

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

c. Merkel cells are involved in immune responses.

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

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

59 / 90

59)

Identify the INCORRECT statement

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

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

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. Transitional epithelium lines the ureter.

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

60 / 90

60)

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

a. secretory portion of sweat gland.

b. sebaceous gland.

c. duct of sweat gland.

d. hair follicle.

e. arrector pili muscle.

61 / 90

61)

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

a. stratum lucidum.

b. stratum granulosum

c. stratum corneum.

d. stratum spinosum or stratum Malpighii.

e. stratum basale or stratum germinativum.

62 / 90

62)

Which of the following layers lies nearest the dermis?

a. stratum granulosum.

b. stratum basale or stratum germinativum.

c. stratum lucidum.

d. stratum spinosum or stratum Malpighii.

e. stratum corneum.

63 / 90

63)

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 gland contains 15 to 20 lobes.

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

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

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

64 / 90

64)

Identify the CORRECT statement

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

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

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

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

e. Leydig cells are located inside the seminiferous tubule.

65 / 90

65)

Identify the INCORRECT statement(6)

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

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

c. Spermatids divide to give rise to spermatocytes.

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

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

66 / 90

66)

Which connective tissue layer lies closest to the epidermis:

a. stratum corneum

b. reticular layer of dermis.

c. lamina propria

d. papillary layer of dermis.

e. hypodermis

67 / 90

67)

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

a. Langerhans cell

b. myoepithelial cell

c. keratinocyte

d. melanocyte

e. fibroblast

68 / 90

68)

Filtration slits are located between adjacent:

a. capillary endothelial cells.

b. capillary fenestrations.

c. mesangial cells.

d. layers of the glomerular basement membrane.

e. podocyte foot processes

69 / 90

69)

Identify the CORRECT statement(3)

a. The secondary ovarian follicle contains no antrum.

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

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

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

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

70 / 90

70)

The glands most closely associated with hair follicles are:

a. sebaceous glands.

b. eccrine sweat glands.

c. lymphatic glands.

d. submucosal glands.

e. mammary glands.

71 / 90

71)

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

a. medulla

b. pelvis

c. calyx

d. papillae

e. cortex

72 / 90

72)

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

a. epidermal appendages

b. Meissner's corpuscles

c. sweat gland ducts

d. dermal papillae

e. arrector pili muscle

73 / 90

73)

In which layer of the epidermis are cells mitotically active?

a. stratum corneum

b. stratum basale

c. stratum granulosum

d. stratum lucidum

e. thick skin

74 / 90

74)

Which cells respond to aldosterone?

a. epithelial cells of distal tubules.

b. mesangial cells.

c. epithelial cells of Bowman's capsule.

d. podocytes.

e. juxtaglomerular cells.

75 / 90

75)

Podocytes are:

a. simple squamous epithelial cells.

b. simple cuboidal epithelial cells.

c. not epithelial cells.

d. simple columnar epithelial cells.

e. unique epithelial cells with many interdigitating processes.

76 / 90

76)

Which of the following is CORRECT regarding the stratum spinosum?

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

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

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

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

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

77 / 90

77)

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

a. distal convoluted tubule epithelium.

b. proximal convoluted tubule epithelium.

c. collecting duct epithelium.

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

e. Bowman's capsule epithelium.

78 / 90

78)

Identify the INCORRECT statement

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

b. The prophase of primary spermatocytes is extremely prolonged.

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

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

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

79 / 90

79)

The fibrous connective tissue layer of skin is:

a. hypodermis

b. lamina propria

c. dermis

d. epidermis

e. mucosa

80 / 90

80)

Which cells secrete a product which converts angiotensinogen to angiotensin?

a. epithelial cells of collecting duct.

b. juxtaglomerular cells.

c. podocytes.

d. epithelial cells of proximal and distal convoluted tubules.

e. epithelial cells of Bowman's capsule.

81 / 90

81)

Identify the INCORRECT statement

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

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

c. The epidermis of the thin skin has four stratum

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

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

82 / 90

82)

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

a. pelvis

b. medulla

c. capsule

d. cortex

e. hilus

83 / 90

83)

Identify the INCORRECT statement

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

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

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

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

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

84 / 90

84)

Identify the INCORRECT statement

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

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

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

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

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

85 / 90

85)

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

a. urinary (tubular) pole.

b. mesangium

c. area cribosa.

d. juxtaglomerular apparatus.

e. vascular pole.

86 / 90

86)

Vessels which connect interlobular arteries with glomerular capillaries are called:

a. afferent arterioles.

b. peritubular capillaries.

c. arcuate arteries.

d. efferent arterioles.

e. vasa recta.

87 / 90

87)

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

a. duct of sweat gland.

b. sebaceous gland.

c. secretory portion of sweat gland.

d. hair follicle.

e. arrector pili muscle.

88 / 90

88)

Identify the INCORRECT statement

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

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

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

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

e. Spermatids divide to give rise to spermatocytes.

89 / 90

89)

Identify the INCORRECT statement

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

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

c. Ovarian surface is lined by simple cuboidal epithelium

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

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

90 / 90

90)

Identify the CORRECT statement

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

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

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

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

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

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត