General Histology Test

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1 / 60

All the following are the epithelial cell junctions but except:

a. Synapse

b. Gap junctions

c. Tight junctions

d. Desmosomes

2 / 60

The function of stratified cuboidal epithelium is:

a. Filtration

b. Secretion

c. Protection

d. Absorption

3 / 60

All the following are the location of dense elastic connective tissue but except:

a. Certain ligaments of vertebral column

b. Aorta

c. Joint capsule

d. Wall of bronchial tube

4 / 60

The dense regular connective tissue consists of:

a. Elastic fibers and fibroblast

b. Collagen, elastic fibers and fibroblast

c. Reticular fibers and fibroblast

d. Collagen fibers and fibroblast

5 / 60

Which organelle of muscle cells is responsible for calcium storage?

a. Sarcoplasmic reticulum

b. Muscle-tendon junction

c. Osteocyte lacuna

d. Intercalated disc

6 / 60

Which type of cartilage is found in the external ear?

a. Elastic cartilage

b. Fibrocartilage

c. All types of cartilage

d. Hyaline cartilage

7 / 60

The smallest percentage of CNS glial cells is:

a. Astrocytes

b. Oligodendrocyes

c. Microglia

d. Ependymal cells

8 / 60

All the following are the functions of blood but except:

a. Regulates pH

b. Transport gases

c. Maintain homeostasis

d. Maintain hormones

9 / 60

Which cell type gives rise to platelets (thrombocytes)?

a. Eosinophil

b. Monocyte

c. Megakaryocyte

d. B-lymphocyte

10 / 60

Which morphological type of gland is represented by an epithelium consisting entirely of secretory cells?

a. Secretory epithelial sheath

b. Pseudostratified epithelium

c. Alveolar gland

d. Stratified squamous epithelium

11 / 60

What are the supporting cells in the central nervous system called?

a. Schwann cells

b. Neuroglia

c. Basket cells

d. Ganglion

12 / 60

How many percent do erythrocytes contribute to total blood volume?

a. 34%

b. 64%

c. 44%

d. 54%

13 / 60

What structure is at the base of cilia?

a. Microfilaments

b. Nucleoli

c. Peroxisomes

d. Centrioles

14 / 60

Which neuroglia is located in peripheral nervous system?

a. Microglia

b. Ependymal cells

c. Oligodendrocytes

d. Satellite cells

15 / 60

What cell type makes up the mucosa of the gallbladder?

a. Simple cuboidal epithelium

b. Simple columnar epithelium

c. Stratified squamous epithelium

d. Simple squamous epithelium

16 / 60

The simple cuboidal epithelium can find at:

a. Pharynx

b. Surface of ovaries

c. Thyroid

d. Air sac

17 / 60

Identify the incorrect statement:

a. Only stratified epithelia contain two or more rows of cell nuclei

b. Epithelia are classified by the shape of the epithelial cells in the surface layer

c. Epithelia are classified by the number of cell layers

d. Microvilli increase the surface area of the epithelia cells

18 / 60

Which structure helps to maintain the appropriate microenvironment for peripheral nerve

fibres?

a. Perineurium

b. White matter

c. Muscle-tendon junction

d. Grey matter

19 / 60

Which cell type is involved in the synthesis and maintenance of the extracellular components of connective tissues?

a. Mast cell

b. Adipocyte

c. Fibrocyte

d. Osteoclast

20 / 60

The function of stratified columnar epithelium is:

a. Osmosis

b. Filtration

c. Absorption

d. Protection

21 / 60

Which cell type is involved in the synthesis and maintenance of the extracellular components of connective tissues?

a. Macrophage

b. Fibrocyte

c. Neutrophil

d. Mast cell

22 / 60

How many percent of all leucocytes in healthy individuals are eosinophils?

a. 4%

b. 27%

c. 30%

d. 0.5%

23 / 60

What type of epithelium has dome shaped cells on the apical surface?

a. Epithelioid tissue

b. Mesothelium

c. Transitional

d. Endothelium

24 / 60

All the following are the function of osseous tissue but except:

a. Leverage

b. Storage of sodium

c. Movement

d. Blood cell formation

25 / 60

How many types of cartilage are there?

a. 1

b. 2

c. 4

d. 3

26 / 60

The function of stratified squamous epithelium is:

a. Secretion

b. Filtration

c. Protection

d. Absorption

27 / 60

What are the collagen fibers that extend into bone at an angle called?

a. Canaliculi

b. Tome's process

c. Trabeculae

d. Sharpey's fibers

28 / 60

Which of the formed elements of blood is involved in haemostasis?

a. Megakaryocyte

b. B-Lymphocyte

c. Thrombocyte

d. Plasma cell

29 / 60

What are neurons in the retina?

a. Pseudounipolar

b. Multipolar

c. Bipolar

d. Unipolar

30 / 60

The immature bone cell is:

a. Bone lining cell

b. Osteoblast

c. Osteoclast

d. Osteocyte

31 / 60

The life span of erythrocyte in blood is:

a. 120 days

b. 60 days

c. 140 days

d. 80 days

32 / 60

What forms the brush border?

a. Villi

b. Microvilli

c. Cilia

d. Stereocilia

33 / 60

All the following are the specific granules of neutrophil but except:

a. Type IV collagenase

b. Phospholipase A2

c. Elastase

d. Lactoferrin

34 / 60

The osteoprogenitor cells are derived from:

a. Mesenchymal stell cells

b. Embryoblast

c. Osteoclast

d. Bone lining cells

35 / 60

Which cell type supports unmyelinated axons in the peripheral nervous system?

a. Microglial cell

b. Schwann cell

c. Oligodendrocyte

d. Astrocyte

36 / 60

Which of the formed elements of blood release serotonin?

a. Thrombocyte

b. Plasma cell

c. B-Lymphocyte

d. Megakaryocyte

37 / 60

The shape of erythrocyte is:

a. Biconvex disk

b. Biconcave disk

c. Spherical disk

d. Ovoid disk

38 / 60

How many percent of all leucocytes in healthy individuals are neutrophils?

a. 30%

b. 75%

c. 60%

d. 43%

39 / 60

The most abundant protein in plasma is:

a. Beta globulin

b. Alpha globulin

c. Gamma globulin

d. Albumin

40 / 60

All the following are the special epithelia but except:

a. Angioepithelium

b. Myoepithelium

c. Reproductive epithelium

d. Neuroepithelium

41 / 60

What type of epithelial cells is as tall as it is wide?

a. Cuboidal

b. Simple

c. Stratified

d. Columnar

42 / 60

What structure is called white cartilage?

a. Hyaline cartilage

b. Elastic cartilage

c. Spongy cartilage

d. Fibrocartilage

43 / 60

Which cell type differentiates into plasma cells?

a. Monocyte

b. B-lymphocyte

c. T-lymphocyte

d. Macrophage

44 / 60

Which cell is a connective tissue macrophage?

a. Dust cell

b. Kupffer cells

c. Langerhans cell

d. Histiocyte

45 / 60

Which organelle is considered the powerhouse of the cell?

a. Mitochondria

b. Peroxisomes

c. Lysosomes

d. Ribosomes

46 / 60

What is the connective tissue covering which surrounds cartilage?

a. Perineurium

b. Endosteum

c. Perichondrium

d. Periosteum

47 / 60

The diameter of large lymphocyte is:

a. About 25 microns

b. About 15 microns

c. About 20 microns

d. About 10 microns

48 / 60

What do you call a tissue composed of a conglomeration of cells which are tightly packed together, yet which does not have a free surface? An example of such a tissue would be the parenchyma of the adrenal gland.

a. Epithelioid tissue

b. Transitional

c. Endothelium

d. Pseudostratified

49 / 60

What surrounds a nerve?

a. Epineurium

b. Neurium

c. Endoneurium

d. Perineurium

50 / 60

The lining of stomach is:

a. Pseudostratified epithelium

b. Simple squamous epithelium

c. Simple cuboidal epithelium

d. Simple columnar epthilium

51 / 60

Which of the following is composed of smooth muscle?

a. Walls of the visceral organs

b. Tongue

c. Upper esophagus

d. Heart

52 / 60

The diameter of basophil is:

a. About 10-12 microns

b. About 8-10 microns

c. About 12-14 microns

d. About 6-8 microns

53 / 60

What is white matter?

a. Cell bodies

b. Myelinated nerve fibers

c. Meninges

d. Nodes of Ranvier

54 / 60

What are the bundles of longitudinal contractile elements within a muscle cell called?

a. Myofilaments

b. Muscle fibers

c. Myosin

d. Myofibrils

55 / 60

Which fiber type is more resistant to fatigue?

a. Red fibers

b. Intermediate fibers

c. White fibers

d. Intermediate and white fibers

56 / 60

Which cell type differentiates into phagocytosing cells after injury to the central nervous

system?

a. Schwann cell

b. Astrocyte

c. Oligodendrocyte

d. Microglial cell

57 / 60

The nucleus of neutrophil is usually is:

a. 2-3 lobes

b. 2-4 lobes

c. 1-2 lobes

d. 3-4 lobes

58 / 60

What is another term for the Haversian system?

a. Osteoclast

b. Osteoblast

c. Osteoid

d. Osteon

59 / 60

Which one component is not loose connective tissue?

a. Adipose

b. Areolar

c. Reticular

d. Elastic

60 / 60

The location of reticular connective tissue is:

a. Hypodermis

b. Lymph node

c. Under epithelia

d. Breasts

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