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Physiology; Free Online Mock Test 45

Author: RxPG, Posted on Tuesday, July 29 @ 00:00:00 IST by RxPG  

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Physiology

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
   c)Presynaptic
   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
   c)Basket
   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


This test has been created by RxPG




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