A muscle spindle responds to the ____.
a. oxygen level in the muscle
b. acetylcholine concentration at the nerve-muscle junction
c. fatigue of the muscle
d. stretch of the muscle
Question 2
Research suggests that the brain abnormalities of schizophrenics develop ____.
a. early and progressively get worse
b. early and then remain fairly steady
c. late in life and progressively get worse
d. late in life and remain fairly steady