What is the most common visual impairment in late adulthood?
a. macular degeneration
b. cataracts
c. glaucoma
d. retinosis pigmentosa
Answer: B
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A major drawback of homeschooling cited by critics focuses on __________.
A. the physical health of children B. academic preparation of parents versus well-trained teachers C. insufficient extracurricular activities D. low effectiveness rates
Contemporary developmental scientists agree that development:
A. cannot be characterized by either continuity or discontinuity. B. is primarily characterized by discontinuity. C. is primarily characterized by continuity. D. includes both continuity and discontinuity.
For an adult, the death of his or her parent or grandparent is likely to
a. initiate his or her place in the "sandwich generation" b. inaugurate the "empty nest syndrome" c. provide a "developmental push" d. all of these e. none of these
Only 1 in 1,000 sperm will ever arrive in the vicinity of an ovum. Which of the following factors prevent sperm cells from traveling the entire distance to the egg?
a. gravity c. current of fluid from the cervix b. vaginal acidity d. all of these