Which of the following causes conditions in the body to move away from the normal state?
A. Negative feedback
B. homeostasis
C. metabolism
D. positive feedback
E. setpoints
Ans: D. positive feedback
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Inborn or intrinsic reflexes are ________
A) involuntary, yet may be modified by learned behavior B) always mediated by the brain C) autonomic only D) rapid, predictable, and can be learned responses
B-cells
A. are a subset of T cells. B. when activated become plasma cells and produce antibodies. C. are responsible for forming all the body's memory cells. D. suppress the activity of T cells. E. mature in the thymus.
Paired, irregular masses of gray matter buried deep within the central white matter in the basal region of the cerebral hemispheres, inferior to the floor of the lateral ventricle, are the
A. corpus callosi. B. interthalamic adhesions. C. ventricular connections. D. cerebral nuclei. E. inferior colliculi.
Which of the following is not a characteristic of somatic reflexes?
A. They are monosynaptic. B. They are quick. C. They are stereotyped. D. They are involuntary. E. They require stimulation.