MEDICAL PHYSIOLOGY

PHYSIOLOGY

SYNAPTIC PHYSIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The nerve cell that transmits impulses from the brain or spinal cord to a muscle or gland.
A
Motor Neuron
B
Relay Neuron
C
Sensory Neuron
D
None of the above
Explanation: 

Detailed explanation-1: -A motor neuron is a nerve cell that transmits impulses from the brain or spinal cord to a muscle or gland.

Detailed explanation-2: -Sensory nerve carries impulses from various parts of the body to the brain and the spinal cord whereas motor nerves carry impulses from the brain and spinal cord to various parts of the body.

Detailed explanation-3: -A neuron sending a signal (i.e., a presynaptic neuron) releases a chemical called a neurotransmitter, which binds to a receptor on the surface of the receiving (i.e., postsynaptic) neuron. Neurotransmitters are released from presynaptic terminals, which may branch to communicate with several postsynaptic neurons.

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