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Physiology: Daily Free Online Mock Test 74

Author: rxpg, Posted on Wednesday, August 27 @ 00:00:00 IST by rxpg  

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Multiple Choice Test

1) A condition in which hypoxia is always accompanied by hypercapnia is :

One answer only.
   a) Diffusion impairment
   b) VA / Q mismatch
   c)Physiologic shunt
   d) Hypoventilation

2) During inspiration, all of the following increase except :

One answer only.
   a)Intrapleural pressure
   b) Stroke volume
   c)Venous return
   d) Intraabdominal pressure
   e)Pulmonary vascular resistance

3) Renshaw cell inhibition is best described as :

One answer only.
   a) Feed forward
   b) Negative feedback
   d) Postsynaptic

4) All the following are associated with paradoxical sleep except :

One answer only.
   a) Rapid eye movement
   b) PGO spikes
   c) Marked increase in body muscle tone
   d) Low voltage, rapid activity in EEG

5) Slow EPSP is caused by :

One answer only.
   a) Decrease in K+ conductance
   b) Increase in K+ conductance
   c)Increase in Cl- conductance
   d) Both a & c

6) Regarding nociceptors, it is true to say that they :

One answer only.
   a) Adapt rapidly
   b) Are encapsulated endings
   c) Are polymodal
   d) Send information via B fibres

7) Parallel fibers come from which of the following cells in the cerebellum :

One answer only.
   a) Golgi
   b) Granule
   d) Purkinje

8) Basic postural reflex is :

One answer only.
   a) Crossed extensor reflex
   b) Golgi tendon reflex
   c)Flexor reflex
   d) Positive supporting reflex

9) Weber Fechner law deals with :

One answer only.
   a) Frequency discrimination
   b) Receptive field organisation
   c) Intensity discrimination
   d) Two point discrimination

10) No matter where a particular sensory pathway is stimulated along its course to the sensory cortex, the sensation is referred to the location of the receptor. This law is called the :

One answer only.
   a) Law of projection
   b) Muller’s law
   c)Bell Megendie law
   d) Steven’s power law

You can discuss the answers and queries of RxPG mediMOCKS in our new mediMOCK Discussion Forum

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