Under the condition of increased CO2 concentration in blood our rate of respiration is increased which is an example of:
A.Conditioned reflex
B.Saltatory response
C.Autonomic reaction
D.None of these
Category: Nervous System Physiology Mcqs
Under the condition of hypoxia in our body our heart rate is increased due to:
A.Saltatory response
B.Autonomic reaction
C.Conditioned response
D.None of these
A voluntary response is one that:
A.Is under cerebral control and aimed to achieve difinite object
B.Is subconscious and aimed to achieve definite goal
C.Is conscious but not aimed to achieve definite goal
D.Is none of these
Concentration of K+ in cytoplasm is about:
A.10 time more than in ECF
B.20 times more than in ECF
C.30 times more than in ECF
D.40 time more than in ECF
Functional junction between dendritic region of one reuron or nerve axon ending of other neuron is termed:
A.Synapse
B.End plate
C.Neuromuscular junction
D.None of these
Synapses between motor fibres and end plates are called:
A.Internuronal synapses
B.Neuromuscular synapses
C.Neurosecretory synapses
D.None of these
Change in heart rate is an example of:
A.Reflex reaction
B.Autonomic reaction
C.Saltatory responses
D.None of these
Neurohormones inhibiting post-synaptic transmission are:
A.Glycine
B.GABA
C.Both (a) & (b)
D.None of these
Membranes at synaptic terminals of motor fibres innervating skeletal muscles are highly folded but these folds are:
A.Absent in cardiac muscles
B.Also present in smooth muscles
C.Absent in both cardiac and smooth muscles
D.Present only in cardiac muscles but absent in smooth muscles
The distal ends of which of these neurons lie adjacent to blood stream:
A.Afferent neurons
B.Efferent neurons
C.Inter-neurons
D.Neurosecretory neurons
