If a normal person's brain weighed 3 pounds at age 30, about how much would you expect it to weigh at age 90?
a. 3.6 pounds
b. 3.3 pounds
c. 3.0 pounds
d. 2.7 pounds
d
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Describe two properties of the nervous system that disprove Dale's principle.
What will be an ideal response?
Osteoporosis is associated with:
A) dysmenorrhea. B) amenorrhea. C) metrorrhagia. D) menhorrhagia.
How are newborn infants affected by medications given to the mother during the birthing process?
A) Infants are not affected by birth medications because the placenta effectively filters such medications. B) Birth medications typically have no observable short- or long-term effects upon an infant. C) Birth medications significantly depress infant respiration and heart rate and pose considerable risk to infant mortality. D) Infants whose mothers received analgesics or anesthetics during labor are usually more sluggish, spend more time sleeping, and gain a little less weight during the first weeks after birth.
In the long term, the most effective means of reducing smoking may be
A. using the patch or nicotine replacement gum. B. changes in societal norms and attitudes toward the habit. C. going cold turkey. D. using Zyban or similar drugs.