931. Which of the following transmits nerve impulse from receptors to central nervous system?
A. Sensory neuron
B. Motor neuron
C. Associative neuron
D. none of these.

932. In which of the following neurons length of dendrite is greater than axon_______________?
A. Sensory neuron
B. Motor neuron
C. Associative neuron
D. none of these.

933. Which of the following neuron has a single long dendron?
A. Sensory neuron
B. Motor neuron
C. Associative neuron
D. none of these.

934. Which of the following cytoplasmic extensions carry the message toward the cell body___________?
A. Dendrites
B. Axon
C. Both of these
D. none of these

935. Microscopic gaps between the neuron endings are called__________?
A. Transmitters
B. Synapses
C. Pores
D. Nodes

936. What is the function of synapse________________?
A. To allow nerve impulse to move in backward direction
B. To decrease the speed of nerve impulse
C. To stop the nerve impulse
D. To provide cytoplasmic connection between neurons.

937. Under resting membrane potentials:
A. Outer surface of neuron is more positive
B. Inner surface of neuron is more positive
C. Both of these surfaces are equally positive
D. none of these.

938. Which of the following ions are involved in the initiation of nerve impulse_______________?
A. Na+
B. K+
C. Fe
D. none of these

939. Central nervous system of man consists of______________?
A. Brain
B. Spinal cord
C. Both of these
D. none of these

940. Reflex actions below the neck are under control of____________?
A. Brain
B. Spinal cord
C. Hypothalamus
D. none of these.

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