The __________ is a tough protective sheath that covers the brain and lies closest to the skull.
A. dura mater
B. pia mater
C. dorsa mater
D. arachnoid membrane
Answer: A
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One symptom of depression is an increase in sleeping. What other symptom related to sleep occurs in depression?
A. Decreased slow wave sleep, the deepest stage of sleep B. Less intense REM activity C. Stages of deepest sleep occurring earlier in the sleep cycle D. Slower onset of REM sleep
What term designates biological, chemical, or physical agents that can cause birth defects?
a) carcinogens b) biohazards c) teratogens d) environmental perils
To reinstate female sexual behavior in an ovariectomized rat, estradiol is given, followed by progesterone. How does estradiol prime sensitivity to progesterone?
A. Estradiol binds to progesterone receptors. B. Estradiol promotes additional production of progesterone. C. Estradiol does not impact the sensitivity to progesterone. D. Estradiol increases production of progesterone receptors.
The viral explanation for schizophrenia suggests that brain abnormalities, and therefore schizophrenia, result from viral exposure:
A) before birth. B) between birth and two years old. C) during puberty. D) during the two years just after puberty.