The paresthesia that occurs in vitamin B₁₂ deficiency anemia is a result of a(n):
A)reduction in acetylcholine receptors in the postsynaptic nerves.
B)myelin degeneration in the spinal cord.
C)destruction of myelin in peripheral nerves.
D)altered function of neurons in the parietal lobe.

Question

Quizplus · Accepted Answer

Effects on the nervous system can occur if the anemia is caused by a vitamin B₁₂ deficiency. Myelin degeneration may occur with the resultant loss of fibers in the spinal cord, producing paresthesias (numbness), gait disturbances, extreme weakness, spasticity, and reflex abnormalities.

The Paresthesia That Occurs in Vitamin B₁₂ Deficiency Anemia Is