Question 1

Based on the text interview study regarding first ejaculation, which word best characterizes MOST boys' reaction to this landmark pubertal event?
A) proud
B) secretive
C) disgusted
D) confused

Accepted Answer

Most boys tend to be secretive about their first ejaculation, often due to a mix of personal privacy, societal taboos surrounding discussions of sexual development, and a lack of open dialogue about such topics in many cultures.

Question 2

According to the text, boys prize intimacy in a relationship more than simply having sex.

Accepted Answer

The text states that "boys generally prize intimacy more than just sex" in a relationship.

Question 3

According to the text, the sexual double standard is:
A) stronger than ever; boys want sex and girls are supposed to be virgins until marriage.
B) completely gone; both girls and boys now are in relationships mainly for sexual intimacy.
C) exactly the same as ever.
D) overrated; both boys and girls put high priority on sexual intimacy.

Accepted Answer

The answer of According to the text, the sexual double...

Question 4

Eating disorders are defined by low self-efficacy and poor self-esteem.

Accepted Answer

Low self-efficacy and poor self-esteem are common underlying factors in eating disorders such as anorexia nervosa, bulimia nervosa, and binge eating disorder. Individuals with these disorders often have negative beliefs about themselves and their abilities, which can contribute to disordered eating behaviors.

Question 5

Teenagers typically want school sex education classes to focus on how to avoid sexually transmitted infections (STIs).

Accepted Answer

The answer of Teenagers typically want school sex education classes...

Question 6

Kalie, a late-maturing child, is more likely to:
A) have a negative body image.
B) grow up to be tall and thin.
C) be more at risk of becoming pregnant as a teen compared to an early-maturing child.
D) experience intercourse at an earlier age than the cultural norm.

Accepted Answer

The answer of Kalie, a late-maturing child, is more likely...

Question 7

The transition from childhood to adulthood is often celebrated in rural and non-industrialized cultures by a:
A) naming ritual.
B) puberty rite.
C) circumcision.
D) coming-of-age party.

Accepted Answer

Puberty rites are a common way to celebrate the transition from childhood to adulthood in many rural and non-industrialized cultures. These rites often involve specific rituals, such as undergoing a vision quest, receiving specific markings or tattoos, or participating in communal dances. The purpose of these rites is to mark a significant transition in the individual's life and to prepare them for the responsibilities and roles expected of adults in their community. Naming rituals and circumcision may also be part of cultural practices, but they are not specifically tied to the transition from childhood to adulthood. Coming-of-age parties are more common in Western cultures and do not necessarily have a cultural or religious significance.

Question 8

Sexual desire is first triggered by the adrenal androgens.

Accepted Answer

Adrenal androgens such as testosterone and dihydroepiandrosterone (DHEA) are thought to play a role in the initial triggering of sexual desire in both males and females. However, the specific hormonal mechanisms of sexual desire are complex and not fully understood.

Question 9

Peer-group practices predict when a given teen will make the transition to intercourse.

Accepted Answer

Peer-group practices, such as talking about sex and having friends who are sexually active, can influence a teen's decision to have sex and can predict when they are likely to make the transition to intercourse.

Question 10

Most U.S. teens have had sexual intercourse by age 16.

Accepted Answer

According to the Centers for Disease Control and Prevention (CDC), only 10% of U.S. teens have had sexual intercourse by age 14, and by age 18, 54% of teens have had sexual intercourse.

Question 11

Which of the following is responsible for stimulating the hypothalamus to trigger puberty?
A) decreases in testosterone
B) increases in leptin
C) early maturation of the cingulate gyrus
D) early maturation of the amygdala

Accepted Answer

Leptin, a hormone secreted by fat cells, signals to the hypothalamus to increase the release of gonadotropin-releasing hormone (GnRH), which in turn triggers the onset of puberty. Increases in leptin levels are associated with increases in body fat, which is linked to the onset of puberty.

Question 12

Early maturation in girls is related to which of the following?
A) the experience of a happy childhood
B) childhood obesity
C) being in the top 15 percent for height in second grade
D) having a mother who reached menarche at a late age

Accepted Answer

Early maturation in girls is often associated with childhood obesity, as higher levels of body fat can lead to earlier onset of puberty. A and D are not necessarily related to early maturation, and while being tall in second grade (C) may be a predictor of later height and overall development, it is not specifically related to early maturation.

Question 13

Eating disorders are very difficult to treat.

Accepted Answer

The answer of Eating disorders are very difficult to treat....

Question 14

What is an example of a primary sex characteristic?
A) the growth of the penis
B) breast development
C) voice changes
D) the growth of pubic hair

Accepted Answer

Primary sex characteristics are physical features that directly involve the reproductive organs. The growth of the penis is a primary sex characteristic in males.

Question 15

Sexual desire typically begins during puberty when testosterone production rises.

Accepted Answer

The answer of Sexual desire typically begins during puberty when...

Question 16

Which statement is true regarding bulimia nervosa?
A) Bulimia nervosa is more life threatening than anorexia.
B) Bulimia nervosa involves only seriously restricting calories.
C) Bulimia nervosa is far less common than anorexia.
D) The weight of a person with bulimia nervosa is more likely to remain within the normal range.

Accepted Answer

The weight of a person with bulimia nervosa is more likely to remain within the normal range, as they may engage in binge eating followed by purging behaviors, rather than extreme calorie restriction like in anorexia nervosa. However, bulimia nervosa can still be a serious and life-threatening condition.

Question 17

According to statistics, who is MOST likely to reach puberty first?
A) James, a 9-year-old European American boy
B) Kurt, a 9-year-old Asian American boy
C) Yolanda, a 9-year-old African American girl
D) Jessica, a 9-year-old European American girl

Accepted Answer

Research studies have shown that African American girls tend to reach puberty earlier than girls belonging to other races or ethnicities.

Question 18

The main twentieth-century trend regarding puberty is that:
A) girls cannot become pregnant now until later in puberty.
B) puberty is occurring at younger ages.
C) puberty now is occurring earlier for boys than for girls.
D) puberty is occurring more irregularly at different ages because of environmental pollution.

Accepted Answer

Numerous studies have shown that puberty is occurring at younger ages in both boys and girls. This may be due to factors such as changes in diet, increased exposure to environmental toxins, and higher levels of obesity. Girls, in particular, are experiencing the onset of puberty at earlier ages, with many starting to menstruate as young as age 8 or 9.

Question 19

According to statistics, if Theresa is an early-maturing girl, she is more likely to:
A) get into trouble as a teen.
B) have increased academic performance.
C) feel satisfied with her body as a teen.
D) be disliked by other teen girls.

Accepted Answer

Early-maturing girls are often at a higher risk of engaging in risky behaviors and facing emotional challenges, which can lead to getting into trouble during their teenage years.

Question 20

Estrogen and testosterone are produced by:
A) only boys.
B) only girls.
C) neither boys nor girls.
D) both boys and girls.

Accepted Answer

Both boys and girls produce estrogen and testosterone, although typically in different amounts. Estrogen is the primary female sex hormone produced by the ovaries, while testosterone is the primary male sex hormone produced by the testes. However, both hormones play important roles in the development and functioning of both male and female bodies.

Quiz 8: Physical Development

Based on the text interview study regarding first ejaculation, which word best characterizes MOST boys' reaction to this landmark pubertal event?

According to the text, boys prize intimacy in a relationship more than simply having sex.

According to the text, the sexual double standard is:

Eating disorders are defined by low self-efficacy and poor self-esteem.

Teenagers typically want school sex education classes to focus on how to avoid sexually transmitted infections (STIs).

Kalie, a late-maturing child, is more likely to:

The transition from childhood to adulthood is often celebrated in rural and non-industrialized cultures by a:

Sexual desire is first triggered by the adrenal androgens.

Peer-group practices predict when a given teen will make the transition to intercourse.

Most U.S. teens have had sexual intercourse by age 16.

Which of the following is responsible for stimulating the hypothalamus to trigger puberty?

Early maturation in girls is related to which of the following?

Eating disorders are very difficult to treat.

What is an example of a primary sex characteristic?

Sexual desire typically begins during puberty when testosterone production rises.

Which statement is true regarding bulimia nervosa?

According to statistics, who is MOST likely to reach puberty first?

The main twentieth-century trend regarding puberty is that:

According to statistics, if Theresa is an early-maturing girl, she is more likely to:

Estrogen and testosterone are produced by: