The start of puberty is marked by the pituitary gland releasing a hormone called
A) gonadotropin.
B) HCG.
C) estrogen.
D) testosterone.
A
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What is believed to be the primary reason that countries such as Italy and Ireland have lower suicide rates?
a. The majority religion there has strong prohibitions against suicide. b. They do not experience the stressors common to promoting suicide. c. They have longer summers, so fewer citizens experience seasonal affective disorder. d. They have better access to psychological treatment.
If Katherine is like most people, she is least sensitive to which taste?
a. bitter b. salt c. sweet d. sour
Regarding handedness, which of the following statements is TRUE?
a. Right-handed persons are better at visualizing three-dimensional objects than left-handed persons. b. More musicians are ambidextrous than would normally be expected. c. Left-handed persons have more difficulty recovering from brain injury and language loss than do right-handed persons. d. Right-handed persons have a clear advantage in the sports of boxing, tennis, handball, and fencing.
Which of the following statements about the role of nutrition in development is true?
A) Pound for pound, an infant's energy needs are twice those of an adult. B) Nutrition is especially crucial for development during the school-age years because the brain and the body are growing so rapidly. C) Fifty percent of babies' total caloric intake is devoted to growth. D) Compared with the milk of other mammals, human milk is lower in fat and higher in protein.