Tony, age 77, married Nichole, age 24. They are not using birth control because of Tony’s advanced age. You can advise them that __________
A) Tony probably stopped producing semen around age 70
B) Tony produces less semen and sperm, but he can probably still father children
C) while Tony still produces semen, he probably stopped producing sperm around age 60
D) Tony cannot maintain a sufficient erection to father a child at his age
Answer: B
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In general, the word "valid" means _____
a. reliable c. not confined to bed b. legitimate d. false
What is the best explanation for the dog's superior sense of smell compared to ours?
a) They have long snouts. b) They are closer to the ground. c) Their olfactory epithelium is much larger. d) Their olfactory neurons project into their brain and ours don't.
In the violation-of-expectation method, researchers often show babies ______.
A) where to find objects hidden under a cover
B) an expected event and an unexpected event
C) behavior models displaying gross-motor skills
D) a series of similar objects, one at a time
Psychosocial theory is associated with
a. Arnold Gesell. c. Erik Erikson. b. Sigmund Freud. d. Albert Bandura.