Histology Mid Year 1

21 Questions | By Sarmes55 | Updated: Mar 21, 2022 | Attempts: 220

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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.
  
  AngiotensinogenÃÂ§ÃÂ§
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.