Hypothalamus does not control
hunger and satiety
thermoregulation
crative thinking and consciousness
osmoregulation
If a motor nerve has a conduction velocity of 10 ms-1 how long will it take an action potential to reach a muscle 0.75m from the spinal cord?
75 m
1.07m
14m
1.4m
Comprehension of spoken and written words take place in the region of
association area
motor area
Wernicke"s area
Broca"s area
Saltatory conduction occurs in
myelinated nerve fibres
non-myelinated nerve fibres
liver cells
All of the above
Which is not reflex action?
Salivation
Eye opening and closing
Response to pinching pin in a frog leg
Sweating
Which of the following cells are associated with identification of colours in bright light?
Rod cells
Cone cells
Both (a) and (b)
None of these
Parkinson's disease (characterised 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
How many pairs of cranial nerves originate from the brain of rabbit?
12
8
9
11
Alzheimer's disease in humans is associated with the deficiency of
dopamine
glutamic acid
acetylcholine
Gamma Amino Butyric Acid (GABA)
Which of the following parts of a neuron is covered by fatty sheath?
Axon
Cyton
Dendrite
Nodes of Ranvier