NEET PG DENTAL EXAM

HEAD NECK

SCALP FACE TEMPLE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The simplest form of nervous activity that includes a sensory and motor nerve is called an ____
A
reflex
B
instinct
C
activation
D
None of the above
Explanation: 

Detailed explanation-1: -The simplest spinal reflex is mediated by a single synaptic process called the monosynaptic reflex. It contains only one synapse between the two neurons involved in the arc (sensory and motor).

Detailed explanation-2: -The peripheral nervous system is further subdivided into an afferent (sensory) division and an efferent (motor) division. The afferent or sensory division transmits impulses from peripheral organs to the CNS.

Detailed explanation-3: -Simple reflexes are rapid, brief, automatic, and involve only a small portion of the body in a two-neuron arc. Simple reflexes include the contraction of a muscle in reaction to stretching, salivation at the view of food, and blinking of eyes when the cornea is touched.

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