25 - AIIMS MAY 2006 mcqs with answers part 2

6q: which of the following organs secrete zinc in large amounts in man ?


a. seminal vesicle
b. prostate
c. epididymis
d. vas

answer c. prostate

7q: follicular stimulating hormone receptors are present on ?

a. theca cells
b. granulosa cells
c. leydig cells
d. basement membrane of ovarian follicle

answer b. granulosa cells

8q: the main difference between REM sleep and wakefulness is ?

a. EEG desynchronisation
b. rapid eye movements
c. decreased muscle tone
d. penile erection

answer c. decreased muscle tone

9q: on electromyography , all of the following features suggest denervation except ?

a. unregulated firing of individual muscle fibers
b. small short duration polyphasic action potentials
c. presence of positive sharp waves
d. spontaneous firing of motor units

answer b. small short duration polyphasic action potentials

10q: cushing's triad include all except ?

a. hypertension
b. bradycardia
c. hypothermia
d. irregular respiration

answer c. hypothermia

24 - AIIMS MAY 2006 mcqs with answers part 1

1q: vanilloid receptors are activated by ?


a. pain
b. vibration
c. touch
d. pressure

answer a. pain

2q: the sodium-potassium pump is an example of ?

a. active transport
b. passive transport
c. facilitated diffusion
d. osmosis

answer a. active transport

3q: which one of the following acts as a second messenger ?

a. Mg++
b. Cl-
c. Ca++
d. PO4+3

answer c . Ca ++

4q: all of the following factors influence hemoglobin dissociation curve except ?

a. chloride ion concentration
b. CO2 tension
c. Temperature
d. 2,3 DPG levels

answer a. chloride ion concentration

5q: which one of the following is correct statement regarding coronary blood flow ?

a. coronary blood flow is directly related to perfusion pressure and inversely related to resistance
b. coronary blood flow is inversely related to perfusion pressure and directly related to resistance
c. coronary blood flow is directly related to perfusion pressure and also to resistance
d. coronary blood flow is inversely related to perfusion pressure and also resistance

answer a. coronary blood flow is directly related to perfusion pressure and inversely related to resistance