Histology Mid Year 2

21 Questions | By Sarmes55 | Updated: Mar 20, 2022 | Attempts: 209

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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 .