When your doctor tests a spinal reflex (like the knee-jerk response),
A. only motor neurons are involved in the reflex.
B. only sensory neurons are involved in the reflex.
C. the reflex is handled by the spinal cord, and no higher processing is necessary.
D. the reflex can be learned and unlearned.
Answer: C
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A distinctive feature of itch is that it relies on ____.
A. axons that go directly from the skin to the cerebral cortex B. axons that make several synapses before reaching the spinal cord C. unusually fast axons D. unusually slow axons
When infants "look" at something:
a. they actually bounce from feature to feature, rather than staring. b. they focus in on one feature and ignore all other features. c. they are prewired to pay attention to subtle features. d. they do not like anything out of the ordinary or different.
A man is hit by a car and seriously injured. After the accident, the man is unable to detect stimuli in the right half of his visual field, although neither of his eyes was injured in the accident
What sort of brain injury would you expect in this situation? a) Injury to the left occipital lob b) Injury to the left parietal lobe c) Injury to the right occipital lobe d) Injury to the right parietal lobe
The purpose of Axis IV is to
a) identify personality disorders. b) determine acute disturbance. c) evaluate environmental and psychosocial problems. d) account for medical problems affecting mental disorders.