Histology Mid Year 2

21 Questions | Total Attempts: 145

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Histology Mid Year 2

Questions and Answers
  • 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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