Which of the following does not provide direct genetic or hormonal information about the developing embryo or fetus?
a. Amniocentesis c. Alpha fetoprotein sampling
b. Chorionic villus sampling d. Ultrasonography
D
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Which type of headache typically occurs in cycles that may produce incapacitating attacks several times a day?
a. migraine c. cluster b. tension d. intermittent
Sherrington found that repeated stimuli within a brief time have a cumulative effect. He referred to this phenomenon as ____
a. temporal summation b. spatial summation c. synaptic summation d. saltatory summation
In a production system, the ___ of each production indicates when a production should be executed
a. condition side b. action side c. cycle d. self modification
Although there is growing evidence of its role in cognition and
emotion, which part of the brain primarily regulates posture, muscle tone, and muscular coordination? a. hypothalamus b. cerebellum c. hippocampus d. limbic system