All of the following are true regarding growth and development characteristics of twelve to fourteen year olds EXCEPT:
a. menstruation in girls begins.
b. a growth spurt in boys begins.
c. appetite decreases.
d. there are wide differences in height and weight of either sex of the same age.
c
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Older adults need more vitamin B6 than younger adults because they have:
a. decreased absorption. b. increased excretion. c. faster metabolism. d. less efficient utilization.
What is age-related macular degeneration (AMD)? Which vitamins and minerals were shown in a study by the National Eye Institute to reduce the risk of this disease?
What will be an ideal response?
Which of the following hormones is secreted by the thyroid gland when blood levels of calcium are too high?
A) calcitonin B) parathyroid hormone C) thyroxin D) T3
Which of the following factors would NOT be related to infertility in women?
a. A high alcohol intake b. Excessive exercise c. A strict vegan diet d. Having the flu virus and not eating for a day