Muscle cells that are not exercised will atrophy, or shrink in size. Lou Gehrig’s disease affects nervous tissue but also causes muscle atrophy. What type of nerve cell must be affected to cause this muscle-wasting condition?
A. interneurons
B. sensory neurons
C. neuroglial cells
D. motor neurons
Answer:D
Muscle cells that are not exercised will atrophy, or shrink in size. Lou Gehrig’s disease affects nervous tissue but also causes muscle atrophy. What type of nerve cell must be affected to cause this muscle-wasting condition?
A. interneurons B. sensory neurons C. neuroglial cells D. motor neurons