Papaverine and prostaglandin, which are vasodilating drugs used in the treatment of erectile dysfunction, are delivered to the patient
A. in a capsule taken orally.
B. as a dietary supplement.
C. by injection directly into the penis.
D. via a skin patch.
Answer: C
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When a meal brings more nutrients into the body than the cells can use at the time, what happens to the rest of them? a. The body excretes them as waste
b. The body stores them in fat cells or in the liver. c. The nutrients remain in the blood stream until the cells need them. d. The body converts the extra nutrients into muscle tissue.
Brent dives into a swimming pool and instantly feels cold. However, 10 minutes later the pool actually feels comfortably warm. The change in Brent's sensitivity to the temperature of the pool illustrates the principle of:
a. perceptual invariance b. perceptual assimilation c. sensory adaptation d. changing difference thresholds
Lance is a newborn infant. During the first weeks following birth, Lance would be referred to as a(n)
a. embryo. b. neonate. c. zygote. d. fetus.
"Negative evidence" in early language acquisition
a. confuses the child and retards speaking. b. means that parents ignore the child's mistakes. c. means that a parent detects the child's error and helps with its correction. d. punishes the child's errors but gives emotional support.