NEET PG DENTAL EXAM

HISTOLOGY

NERVOUS TISSUE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the types of nerves?
A
sensory nerves, integumentary nerves, and motor nerves
B
sensory nerves, motor nerves, and circular nerves
C
motor nerves and circular nerves
D
circular nerves and octular nervs
Explanation: 

Detailed explanation-1: -Mixed nerves contain both motor and sensory fibers. Sensory nerves contain mostly sensory fibers; they are less common and include the optic and olfactory nerves. Motor nerves contain motor fibers. Peripheral nerve supply to the muscles in the lower extremity.

Detailed explanation-2: -There are three types of peripheral nerves: motor, sensory and autonomic. Some neuropathies affect all three types of nerves, while others involve only one or two.

Detailed explanation-3: -Meissner receptors detect light touch. Pacinian corpuscles perceive deep pressure and vibrational changes. Ruffini endings detect deep pressure and stretching of the skin’s collagen fibers.

Detailed explanation-4: -There are different types of receptors for differing stimuli: thermoreceptors, mechanoreceptors, nociceptors, photoreceptors, and chemoreceptors. The receptors within a specific field react to stimuli by generating electrical activity along the associated first-order neuron in the form of an action potential.

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