Test 171  (MRCS Questions, 2003)
1. The corneal endothelium:
 a. is made up of 2-3 layers of cells

 b. are squamous stratified cells

 c. have tight junctions between cells

 d. has a bicarbonate pump

 e. may maintain clarity of the cornea even when only 
     50% of its cell population are left

2. Drugs that cause increased intracranial pressure:
a. steroids

b. azetazolamide 

c. vitamin A

d. ethambutol 

e. tetracyclin 

3. Antibiotics that act on cell wall include:
a. chloramphenicol

b. vancomycin 

c. sulphonamid 

d. tetracyclin 

e. erythromycin 


4. Histamine is released by: 

a. macrophage 

b. lymphocytes 

c. mast cells 

d. basophils 

e. neutrophils 


5. The following are true about HIV (human immunodeficiency 

a. CD4 is a receptor for HIV 

b. it is a RNA virus

c. it can be transmitted through placenta

d. antibodies can be detected within 3 months of infection 

e. can cause tumours

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