Practice Tests: Cytology 2

1. Cells that predominate dense regular connective tissue

• Macrophages
• Fibroblast
• Mast Cell
• Trophoblast

2. During calcification of cartilage, Calcium is deposited in the

• Perichondrium
• Lacuna
• Matrix
• Chindrocyte cytoplasm

3. Which is the most important factor for stimulation of erythropoiesis by bone marrow

• tissue hypoxia
• Acute Blood loss
• Low supply of iron
• Low oxygen tension in alveolar spaces

 4. What step signifies the calcification of bone

• proliferation of chondrocytes
• hypertrophy
• vascularization
• degeneration of lacuna

5. What is the primary step in initiation of myosin-actin sliding mechanism?

• release of calcium ions from sarcoplasmic reticulum
• attachment of myosin head to actin

6. All of the following are parts of the PNS, except:

• basal ganglia
• sensory ganglion
• brachial plexus
• peripheral nerve

7. Major difference of active chondrocytes of hyaline cartilage and fibrocartilage

• size of nucleus
• # of mitochondria
• structure of golgi complex
• None of the Above

 8. A reticulocyte is

• a young erythroblast with chromatid fragments
• a mature normoblast with pyknotic nucleus
• capable of replication for it still contains DNA
• found in the bone marrow

9. Brown adipose tissue in the newborn is specifically located at

• cheeks
• buttocks
• abdominal wall
• axillae

 10. Heparan sulfate is glycosaminoglycan present in:

• elastic cartilage
• umbilical cord
• epithelial basal lamina
• cancellous bone

11. Which of the ff is not a characteristic of skeletal muscle

• alternating light and dark band in light microscopy
• 1-30 cm fibers
• branching

12. Wharton’s jelly consist of

• Reticular tissue
• Mesenchymal tissue
• Mucous tissue
• Brown adipose tissue 

13. Characteristic T-tubules of cardiac muscle

• sarcoplasmic reticulum well developed
• sarcoplasmic reticulum not well developed
• presence of cisternae
• presence of triad

 14. Characteristic of Soma, except:

• globular and compact
• produces lots of ATP
• has Nissl bodies… has DNA
• secretory

 15. Intermediate sized phagocytic cells

• Neutrophil
• Monocyte
• Macrophage
• Lymphocyte

16. Which cells did not came from pluripotent stem cells?

• erythrocytes
• megakaryocytes
• plasma cells
• None of the Above

 17. Stereocilia are present in the epithelium of

• epididymis
• cochlea
• T. tube
• Appendix

 18. The time for the primary ossification of bones

• 3 months
• 5 months
• 7 months
• 9 months

 19. The dorsal root ganglia is considered to be what type of neuron

• unipolar
• dipolar
• multipolar
• pseudopolar

 20. The ff is a component of lamina lucida of basal lamina

• heparin sulfate
• fibronectin
• keratin
• laminin

 21. By the age of 25, which bone would have bone marrow that could produce blood cells

• ribs
• frontal bone
• femur
• iliac crest

 22. Which is not a function of astrocyte?

• produce myelin
• reservoir for potassium
• basis for blood-brain-barrier
• separates neurons from each other

 23. Feature of activated/active fibroblast

• more acidophilic cytoplasm
• actin and myosin filament

24. Desmosomes is also known as

• zona occludens
• zona adherens
• macula adherens

25. What muscle filament has its one end attached to the Z line?

• myosin
• actin
• tropomyosin
• troponin

 26. Bones developed in/ by intramembranous ossification has what characteristics?

• Distinct Harvesian system
• No periosteum
• Osteocytes in lacunae
• All of the Above

 27. Enzyme responsible for collagen meshwork

• Lyase
• Ligase
• Hydrolase
• Isomerase

 28. The precursor cell of bone marrow plasma cell is the

• Megakaryocyte
• Myeloblast
• Histiocyte
• Lymphocyte

 29. The perichondrium is presnt in

• Hyaline cartilage
• Fibrocartilage
• Both
• Neither

 30. Which structure is compound saccular

• Parotid
• Prostate
• Sebaceous
• None of the Above

 31. Which connective tissue covers the muscle fiber

• perimysium
• periosteum
• endomysium

 32. What is the acquired enhanced phagocytic and antigen processing activity in response to a local stimulus

• Elicited macrophage
• Triggered macrophage
• Resident macrophage

 33. This structure is only unique in skeletal muscle

• dense bodies
• desmosomes
• intercalated discs
• T-tubules

 34. Features of cell of steroid-secreting endocrine gland

• very extensive smooth ER
• small golgi complex
• many free ribosomes
• All of the Above

 35. Basic contractile unit of skeletal and cardiac muscles

• Fascicles
• Myofibril
• sarcomere

 36. Osteocyte comm. is established through filopodial processes located in the

• Haversial canal
• Canaliculi
• Medullary cavity
• Volkman’s canal

 37. Site of tropocollagen synthesis

• nucleolus
• extra-cellular
• Golgi
• RER

 38. Osteoprotegerm

• induces osteoclast formation
• stimulates osteoclast activity
• suppress osteoclast differentiation
• no effect

 39. Primitive remnants of lamellar fragments is bones of adult

• outer lamellae
• inner lamellae
• interstitial lamellae
• concentric lamellae

 40. Cytokines that activates and inhibits fibroblast activity

• interleukin
• interferon

41. Ciliated stratified columnar epithelium can be found in

• glomerulus
• fetal esophagus

42. Structure with fibrocartilage

• nose
• epiglottis
• tracheal rings
• pubis symphysis

 43. What cells are responsible for production of myelin with peripheral nerves

• oligodendrocytes
• schwann cells
• astrocytes
• microglia

 44. The lining epithelium of the jejunum

• ciliated simple columnar
• pseudostratified ciliated columnar
• simple columnar with brush border
• stratified squamous non-keratinized

 45. All of the following are derived from ectoderm except

• neurons
• astrocytes
• meninges
• epidermis

 46. Closure of the neural groove and start of the formation of a neural tube begins on what stage of embryo

• 20 days
• gastrula
• 33 somite
• blastula

 47. Synthesis of hemoglobin begins in the

• CFU
• Proerythroblast
• Erythroblast
• Megaloblast

 48. Smooth muscle contraction

• rapid forceful and coordinated
• quick and forceful
• vigorous and rhythmic
• slow and prolonged

 49. Pseudociliated stratified columnar cells

• stomach
• urethra
• trachea

50. An example of dense regular connective tissue

• dermis
• tendon
• periosteum
• omentum

 51. Proteoglycan that attaches to the matrix of chondreoblasts / chondreocytes

• chondronectin
• chindroitin

52. Strands of collagen or collagen helix

• uni
• double
• triple stranded
• quadruple

 53. Maintenance of bone shape

• subendosteal resorbtion of epiphysis
• subendothelial resorbtion of diaphysis
• subperiosteal deposition of diaphysis
• subperiosteal deposition of metaphysic

 54. The prinicipal source of antibodies in connective tissues are the

• activated macrophages
• mast cells
• plasma cells
• B lymphocytes

 55. Dark band in myofilament in skeletal muscle

• A band
• I band
• Z band
• H band