Which cranial nerve has the highest number of branches?
vagus nerve
trigeminal nerve
facial nerve
none of these
During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric change?
first positive, then negative and continue to be negative
first negative, then positive and continue to be positive
first positive, then negative and again back to positive
first negative, then positive and again back to negative
One function of parasympathetic nervous system is
contraction of hair muscles
stimulation of sweat glands
acceleration of heart beat
constriction of pupil
Ivan Pavlov performed experiments on
simple reflexes
conditioned reflexes
cardiac reflexes
origin of life
Which one of the following is the example of the action of the autonomous nervous system ?
swallowing of food
pupillary reflex
peristalsis of the intestine
knee-jerk response