Melissa is 15 years old. All of her friends have become notably "adolescent" in appearance. They have pubic hair and underarm hair and have experienced the "adolescent growth spurt." Melissa has no pubic or underarm hair, and still looks much more like a young girl than an adolescent. The most likely culprit for Melissa's plight is a malfunction of the
a. central nervous system.
b. ovaries.
c. testes .
d. thyroid.
b
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Regardless of sexual orientation, women should have their first gynecological examination at least every three years after they become sexually active or by age ____
a. 18 c. 24 b. 21 d. 30
The process by which some genes become more prevalent in subsequent generations due to reproductive success is known as:
A. natural selection B. descent C. abrupt change D. genetics
Which of the following statements about cerebral palsy is FALSE?
A) Children with cerebral palsy often also have learning impairments. B) Symptoms of cerebral palsy vary from child to child. C) Cerebral palsy is curable when diagnosed early. D) The main problems of cerebral palsy are muscle weakness and lack of muscle control.
Which of the following pharmacodynamic actions is exhibited with high doses of alcohol?
a. individual neurons become less excitable b. neurons repolarize more slowly after firing c. enhanced activity of GABA at its receptors d. all of the above