Autonomic nervous system affects

• reflex actions

• sensory organs

• internal organs

• None of these

In a man, abducens nerve is injured. Which one ofthe following functions will be affected?

• Movement of the eye ball

• Swallowing

• Movement of the tongue

• Movement of the neck

Neural canal is present in

•  humerus

•  tibia-fibula

• vertebral column

•  cranial bones

If dorsal nerve of spinal cord is broken down then its effect is

• no impulse is transmitted

• impulse is transmitted but slowly

• impulse is transmitted fast

• no effect on impulse

One of the examples of the action of the autonomous nervous system is

• knee-jerk response

• pupillary reflex

• swallowing of food

• peristalsis of the intestines

216.

Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness?

• Valium

• Morphine

• Hashish

• Amphetamines

Ventricles are related to

• heart only

• brain only

• both 'a' and 'b'

• none of these

Schwann cell is found around

• axon

• cyton

• dendrite

• dendron

Which part of retina consists of only cones?

• Fovea centralis

• optic nerve

• Blind spot

• Orasmata

Reflex action involves

• spinal cord

• cerbellum

• medulla oblongata

• optic lobe