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Neural Control and Coordination

Multiple Choice Questions

211.

Autonomic nervous system affects

reflex actions
sensory organs
internal organs
None of these

212.

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

213.

Neural canal is present in

humerus
tibia-fibula
vertebral column
cranial bones

214.

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

215.

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

217.

Ventricles are related to

heart only
brain only
both 'a' and 'b'
none of these

218.
Schwann cell is found around

axon

cyton

dendrite

dendron

axon

All multicellular animals contain elongated nerve cells, called neurons. Each neuron has a cell body, axon and smaller processes called dendrites. An axon is the process of a nerve cell that carries impulses away from it. It runs parallel to one another and each is surrounded along its whole length by series of Schwann cells. They may have myelin sheath.