Term synapse was applied by:
A.Sir Charles Sherrington
B.Charles Darwin
C.Mclenan
D.None of these
Category: Nervous System Physiology Mcqs
Which of these is not a reflex reaction :
A.Salivation
B.Blinking of eye
C.Sweating
D.Flexion due to prick
The action potential on inner side of axolemma is:
A.45 mV
B.55 mV
C.65 mV
D.75 mV
Sympathetic postganglionic fibres except those innervating sweat glands and uterus are:
A.Adrenergic
B.Cholinergic
C.Both (a) & (b)
D.None of these
In saltatory transmission the impulse propagates:
A.Throughout the fibre in linear fashion
B.From one node of Ranvier to other and so on so forth
C.Without passing through synapses
D.In none of these ways
Nervous inervation of heart is primarily meant for:
A.Starting the heart beat
B.Regulating the heart beat
C.Releasing acetylcholine
D.Releasing adrenaline
Which of these processes are only found in the animals:
A.Nervous control
B.Hormonal control
C.Respiration
D.Diffusion
Impulses from CNS to effectors are always carried by:
A.Dendrites
B.Axons
C.Cytons
D.All of these
Neutralization of negative charges over complex organic molecules by K+ ions is a necessary process:
A.To protect the coagulation of cytoplasm which could occur due to electric potential established within the cytoplasm
B.To protect dehydration of neurons
C.To protect hydration of axoplasm of neuron
D.To neutralize the surface charge over axon
In vertebrates the reflex action is:
A.Monosynaptic
B.Polysynaptic
C.Bisynaptic
D.All of these
