Histology Mid Year 1
- 1.How many layers of smooth muscle are in the vas deferens ?
- A.
1
- B.
2
- C.
3
- D.
4
- 2.ALL of the following are involoved in regulation of calcium metabolism EXCEPT :
- A.
Vitamin D .
- B.
Calcitonin.
- C.
Melatonin.
- D.
Parathyroid hormone.
- 3.ALL of the following are true about the juxta_glomerular cells EXCEPT:
- A.
They are modified smooth muscles.
- B.
They are found in the wall of the distal convoluted tubules.
- C.
They are innervated by adrenergic nerve fibres.
- D.
They contain a well developed RER and golgi complex.
- 4.Leyding cells resemble which type of cells ?
- A.
Adreno-cortical cells.
- B.
Adreno-meduallary cells .
- C.
Lining epithelium cells .
- D.
Goblet cells .
- 5.ALL of the following hormones are secreted by chromophils EXCEPT :
- A.
ACTH
- B.
TSH
- C.
FSH
- D.
LH
- E.
Oxytocin
- 6.Collections of cortical tissue found between the medullary pyramids are called :
- A.
Medullary ray.
- B.
Renal columns of Bertini.
- C.
Interlobular cortex.
- D.
None of the above.
- 7.The bulbourethral glands ducts open into :
- A.
The prostatic urethra
- B.
The penile urethra
- C.
The membranous urethra
- D.
The fossa navicularis
- 8.Basophils :
- A.
Are larger than acidophils in size
- B.
Are more than acidophils in number
- C.
Stained strongly with PAS
- D.
A&B
- E.
A&C
- 9.Distal convoluted tubules is under the control of :
- A.
Aldosterone hormone.
- B.
Atrial natriuretic factor.
- C.
Anti-diuretic hormone.
- D.
All of the above.
- 10.Which of the following is NOT considered part of the male genital duct system ?
- A.
Rete testis .
- B.
Tubuli recti
- C.
Seminal vesicles
- D.
Ductus deferens .
- 11.Zona reticularis secretes:
- A.
Androgen
- B.
Cortisol
- C.
Aldosterone
- D.
Angiotensinogençç
- 12.Which of the following statements is INCORRECT :
- A.
Endothelial cells of glumerulus possesses fenestration.
- B.
Efferent artery belongs to the juxta_glomerular aparatus.
- C.
Lacis cells are part of the juxta_glomerular apparatus.
- D.
Podocytes touch the basment membrane of the glomerulus.
- 13.Which of the following is NOT considered an accessory gland ?
- A.
Prostate .
- B.
Bulbourethral gland .
- C.
Seminal vesicles .
- D.
Penis .
- 14.Zona glomerulosa cells with E/M are rich with SER because they secrete :
- A.
Protein.
- B.
Enzymes.
- C.
Steroid hormones.
- D.
Glycoprotein.
- 15.The urinary bladder
- A.
Lined with st. columnar epithelium .
- B.
Has two layers of muscle.
- C.
Covered by adventitia.
- D.
None of the above
- 16.Which of the following are produced by the Sertoli cells ?
- A.
Inhibin .
- B.
Androgen binding protein .
- C.
Testosterone .
- D.
Both a and b .
- 17.With E/M all of the following are characteristic of zona fasiculata EXCEPT :
- A.
SER
- B.
Mitochondria with lobular cristae
- C.
Lipid
- D.
Glycogen granules
- 18.The renal corpuscle doesn't contain :
- A.
Mesangial cells.
- B.
Filtration slits.
- C.
Macula densa.
- D.
Glomerulus.
- 19.What are the spherical structures seen in some prostatic alveoli called ?
- A.
Psammoma bodies .
- B.
Corpora arenacea .
- C.
Hassall's corpuscles .
- D.
Corpora amylacea.
- 20.Iodination of the thyroglobulin occurs :
- A.
Intracellular inside the follicular cell.
- B.
Extracellular in the follicular lumen
- C.
Intercellular
- D.
Inside the cappillery bed
- 21.Endothelial cells of the glomerular cappileries are charcterized by all of the following EXCEPT :
- A.
They are fenestrated with diaphragm.
- B.
Are in close proximity to the secondery processes of podocytes .
- C.
Rest on a basal lamina formed by themselves and podocytes.
- D.
Play arole in the renal blood barrier.
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