Which of the following statements is the characteristics of human cornea?
secreted by conjuctiva and glandular layer
it is a lacrimal gland which secrete tears
blood circulation is absent in cornea
in old age it becomes the cause of cataract
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
In a man, abducens nerve is injured. Which one of the following functions will be affected?
movement of the eyeball
movement of the tongue
swallowing
movement of the neck
Parkinson’s disease (characterized by tremors and progressive rigidity of limbs) is caused by degeneration of brain neurons that are involved in movement control and make use of neurotransmitter
acetylcholine
norepinephrine
dopamine
GABA
Which one of the following does not act as a neurotransmitter?
cortisone
epinephrine
By which nervous system and of what type, the blood is supplied into visceral organs?
both SNS and PNS, involuntary
para-sympathetic nervous system, involuntary
sympathetic nervous system, involuntary
sympathetic nervous system, voluntary
Which ofthe following cranial nerves can regulate heart beat?
X
IX
VIII
VII
