Histology Mid Year 2
- 1.Which of the following are produced by the Leydig cells ?
- A.
Inhibin .
- B.
Androgen binding protein .
- C.
Testosterone .
- D.
Both a and b .
- 2.The posterior pituitary :
- A.
Has a prortal blood supply.
- B.
Contains pituicytes ,herring bodies and axons.
- C.
Is composed of dense C.T.
- D.
Exhibits all of the above features.
- 3.The proximal tubules of the kidney :
- A.
Are composed of simple squamous epithelium .
- B.
Exhibit numerous microvilli at the cell surface.
- C.
Are continous with collecting ducts.
- D.
Lack a basal lamina .
- 4.What is another term for a bulbourethral gland ?
- A.
Bartholin's gland .
- B.
Prostate gland .
- C.
Skene's gland .
- D.
Cowper's gland .
- 5.Large lipid droplets are typical of which of the following :
- A.
Pineal body.
- B.
Zona fasiculata of the adrenal cortex.
- C.
Catecholamines producing cells of the medulla.
- D.
Somatotropin cells of pituitary.
- 6.Lacis cells are :
- A.
Secretory cells.
- B.
Extra-glomerular mesangial cells.
- C.
Intra_glomerular mesangial cells.
- D.
Neuroepithelial cells.
- 7.What is the most commonly seen type of epithelium in the prostate ?
- A.
Transitional .
- B.
Simple columnar .
- C.
Simple squamous .
- D.
Simple cuboidal .
- 8.Orange G specifically stains :
- A.
Acidophils of pars distalis.
- B.
Basophils of pars distalis.
- C.
Chromophobes of pars distalis.
- D.
Pituicytes of pars nervosa.
- 9.Mesangial cells :
- A.
Are restricted only to the renal corpuscle.
- B.
Comprise the parietal layer of Bowman's capsule.
- C.
Secrete creatinine into the glomerular filtrate.
- D.
They can phagocytose old basement membrane .
- 10.What is the stroma of the prostate >
- A.
Loose irregular connective tissue .
- B.
Smooth muscle .
- C.
Fibromuscular .
- D.
Adipose tissue .
- 11.Parafollicular cells :
- A.
Respond to TSH.
- B.
Are involved in the uptake of thyroglobin.
- C.
Often reside inside the basal lamina of the thyroid epithelium .
- D.
Have atypical steroid cell morphology.
- 12.Podocytes :
- A.
Contain secondary processes which are in direct contact with the basal lamina .
- B.
Form the visceral layer of bowman's capsule.
- C.
Contain actin microfilaments.
- D.
All of the above features.
- 13.What is the surface modification seen on the cells of the epididymis ?
- A.
Microvilli .
- B.
Stereocilia .
- C.
Cilia .
- D.
Keratinization .
- 14.Parathyroid hormone does all of the following EXCEPT :
- A.
Increase the activity of osteoclasts.
- B.
Increase calcium level in the blood.
- C.
Reduce calcitonin secretion by para-follicular cells.
- D.
Increase absorption of calcium from the GIT indirectly .
- 15.Renal lobule includes :
- A.
A renal pyramid and the associated cortex.
- B.
A renal pyramid and all the nephrons that empty into it .
- C.
A medullary ray and all neprhons that empty into it.
- D.
An interlobular artery and all the nephrons it supplies.
- 16.What type of epithelium lines the epididymis ?
- A.
Simple columnar .
- B.
Stratified squamous .
- C.
Simple squamous .
- D.
Pseudostratified .
- 17.Pars intermedia secretes:
- A.
FSH
- B.
MSH
- C.
TSH
- D.
ACTH
- 18.Renin secreting cells are located in :
- A.
Macula densa.
- B.
Afferent arterioles.
- C.
Efferent arterioles.
- D.
Lacis cells.
- 19.Which cells are directly involved in spermatogenesis ?
- A.
Interstitial cells .
- B.
Leydig cells .
- C.
Sertoli cells .
- D.
Pale type A cells .
- E.
Both C and D .
- 20.The cells of the adrenal medulla are :
- A.
Chromaffin cells
- B.
Ganglion cells
- C.
Glial cells
- D.
Both A&B
- 21.The distal convoluted tubules of the kidney :
- A.
Are composed of simple cubical epithelium .
- B.
Have a well developed brush boarder.
- C.
Lack a basment membarne
- D.
Have numerous RER associated with basal membrane invagination .
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