Question

Which is NOT an element of the efferent division of the peripheral nervous system?A. Parasympathetic Neurons B. Sympathetic Neurons C. Somatic Motor Neurons D. Sensory Neurons

Answer 1

Answer:

D. Sensory Neurons

Explanation:

Peripheral nervous systemconsists of all the neurons and ganglia within the body, outside the central nervous system. It is divided into:

• Somatic nervous system- it controls the movements of skeletal muscles which means that this nervous system is under the voluntary control

• Autonomic nervous system- its role is to control involuntary movements of smooth muscles and glands

Somatic system consists of two types of nerves:

• sensory or afferent nerves-carry the information from the stimulus detector (receptor) to the central nervous system (CNS)

• motor nerves (efferent nerves)-carry the information from CNS to the effectors (skeletal muscles).

Autonomic nervous system consists of:

• sympathetic nervous system
• parasympathetic nervous system
• enteric nervous system