NEET PG DENTAL EXAM

BRAIN

SPINAL CORD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following provides sensory into to the CNS via spinal or cranial nerves?
A
plexus
B
dermatome
C
reflex
D
interneuron
Explanation: 

Detailed explanation-1: -The afferent or sensory division transmits impulses from peripheral organs to the CNS. The efferent or motor division transmits impulses from the CNS out to the peripheral organs to cause an effect or action.

Detailed explanation-2: -A dermatome is an area of skin that is mainly supplied by a single spinal nerve. There are 8 cervical nerves (note C1 has with no dermatome), 12 thoracic nerves, 5 lumbar nerves and 5 sacral nerves. Each of these spinal nerves relay sensation from a particular region of the skin to the brain.

There is 1 question to complete.