Why is an HIV-positive person most contagious, not only in the first months after infection, but also again years into the infection?
a. open sores eventually form on the genitals, increasing the risk of transmitting the virus
b. by this time, the HIV virus has mutated into several more resistant variants
c. as more time goes by, it allows the viral load to reach a maximally contagious threshold
d. years into the infection the immune system fails
ANS: D
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Studies show that male facial attractiveness is universally associated with which features?
a. deep-set eyes, heavy brow ridge, prominent chin b. shallow-set eyes, heavy brow ridge, prominent chin c. deep-set eyes, shallow brow ridge, soft chin d. deep-set eyes, heavy brow ridge, soft chin
In the RIASEC model, an individual with high self-confidence and leadership capacity would be best suited to what type of work environment?
a) Enterprising b) Realistic c) Social d) Conventional
Which of the following is a feature of extreme virilization?
A. Absence of uterine tract B. Fully-developed phallus C. Absence of ovaries D. Presence of clitoris E. Lack of menstruation
Which of the following statements is true of the computer-assisted self-interview (CASI) method?
A. It is not suitable for individuals with poor reading skills. B. It offers little privacy to respondents. C. It results in a higher number of fudged responses. D. It can be combined with an audio component.