In one experiment, the caloric intake of mice was reduced from free-feeding levels by up to 25, 55, or 65%. The benefits of the caloric restriction were greatest in the 65% group. These benefits included
A) an increased life span.
B) a reduced incidence of cancer.
C) improved immune responses.
D) all of the above
E) none of the above
Answer: D
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What factor would be most important for a bride and groom in ancient Rome?
a. Strong feelings of romantic love during courtship b. Expression of respect and mutual consideration for each other c. For both to be virgins at the time of marriage d. Sexual monogamy within the relationship
Wayne is 50 years old and has recently developed a painful curvature of his penis making penetration impossible. What would be a likely diagnosis?
a. Priapism b. Testicular torsion c. Cryptorchidism d. Peyronie's disease
What greatly influenced the harsh attitude toward same-sex behaviors in the early American colonies?
a. The strong influence of the Catholic Church b. The Puritanical origins of the early settlers c. Interaction with Native Americans who condoned homosexuality d. Early venereal diseases spread in the colonies by men who were gay
In 1960, about 13% of American adults were obese (having a body mass index [BMI] greater than or equal to 30). In 2008, that number was about ____
a. ?18% b. ?27% c. ?34% d. ?50%