kinesiology exam 2 questions with complete solutions

major function of the neuromuscular system correct answer: memory and learning control of internal environment voluntary control of movement programmed reflexes Central Nervous System (CNS) correct answer: brain and spinal cord Proprioceptors correct answer: monitor the position and movement of skeletal muscles and joints - start at sensory neurons and travel to spinal cord - afferent efferent neurons correct answer: Nerve cells that conduct impulses away from the central nervous system to the muscle fibers grey matter correct answer: unmyelinated neuron cell bodies and short, unmyelinated axons white matter correct answer: myelinated axons ventral root correct answer: contains axons of motor neurons dorsal root correct answer: the sensory branch of each spinal nerve cell body is also called correct answer: Soma amyotrophic lateral sclerosis (ALS) correct answer: progressive degeneration of upper and lower motor neurons at the spinal cord (Lou Gehrigs disease) poliomyelitis (polio) correct answer: inflammation of the gray matter of the spinal cord, leading to paralysis of the limbs and muscles of respiration axon correct answer: the neuron extension that passes messages through its branches to other neurons or to muscles or glands