The "blind spot" in each eye is due to the __________.
A. corneal surface being inconsistent
B. concentration of cones in the foveal area of the retina
C. optic nerve passing through the retina as it leaves the eye
D. concentration of rods outside of the foveal region of the retina
Answer: C
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According to research, who is most likely to have the highest self-esteem?
A) Sergi, who puts a great deal of importance on the fact that he is a "jock" B) Simon, who doesn't really care that his peers call him "popular" C) Sandra, who puts a great deal of important on being called a "nobody" D) Suki, who doesn't really care that her peers refer to her as a "normal"
In the last weeks of pregnancy,
A) the fetus usually loses a pound or two. B) most fetuses assume an upside-down position. C) fetal growth increases dramatically. D) the fetus begins relying on its own well-developed immune system.
According to the article Let's See What This Baby Can Do about the impact of a new baby on a young family, the parent most likely to be affected by the birth of a new baby in terms of daily schedule is the:
(a) mother (b) father (c) there were no differences between parents
Drug experiments in clinical trials describe the number of treatments and doses provided to groups of study participants as ____________.
a. control groups b. dependent variables c. placebos d. treatment arms