Ch 14

Question 1

Which of the following students is most likely to fall asleep during class?

Answer 1

Allen, who is in the tenth grade

Question 2

Ever since he began puberty, Barry has been staying awake late at night and craving sleep in the mornings. His parents should:

Answer 2

realize that this is due to hormonal shifts.

Question 3

What effect does malnutrition have on puberty?

Answer 3

It tends to delay the onset of puberty.

Question 4

At about what age does the brain become fully mature?

Answer 4

25

Question 5

During the growth spurt, the last part(s) of the body to grow is (are) the:

Answer 5

Torso

Question 6

During puberty, boys:

Answer 6

more than double their arm strength.

Question 7

Secondary sex characteristics are characteristics that:

Answer 7

are not directly related to reproduction.

Question 8

In adolescence, changes in heart and lung capacity include:

Answer 8

Greater lung capacity

Question 9

During puberty, testosterone increases:

Answer 9

In both male and females

Question 10

Chris is just starting to experience an eightfold increase in the amount of estrogen. Chris is most likely a:

Answer 10

Normal 9-year-old girl

Question 11

Janet and Carlos are both in their growth spurt. If they are typical of their sex, compared with Carlos, Janet will:

Answer 11

Have a higher proportion of body fat

Question 12

The term gonads refers to:

Answer 12

testes in boys and ovaries in girls.

Question 13

Because of the obsession with body image during adolescence, girls may ingest ______ and boys may take ______.

Answer 13

diet pills; steroids

Question 14

Which of the following statements is true?

Answer 14

The changes of puberty are initiated by a part of the brain called the hypothalamus.