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Multiple Choice Quiz
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1
The period of rapid physical maturation involving hormonal and bodily changes that takes place primarily in early adolescence is called
A)menarche
B)heredity
C)adolescence
D)puberty
2
The main class of male sex hormones is
A)estrogens
B)androgens
C)FSH
D)LH
3
The main class of female sex hormones is
A)estrogens
B)androgens
C)FSH
D)LH
4
The powerful chemical substances secreted by the endocrine glands and carried through the body by the bloodstream are called
A)neurons
B)hormones
C)genotypes
D)phenotypes
5
__________ is NOT monitored by the hypothalamus.
A)Sex
B)Eating
C)Hearing
D)Drinking
6
The __________ releases gonadotropins that stimulate the testes and the ovaries during puberty; it also promotes growth and skeletal maturation.
A)thyroid gland
B)pituitary gland
C)leptin hormone
D)negative feedback system
7
The term __________ refers to patterns of pubertal onset over historical time, especially across generations.
A)body image
B)sexual maturation
C)secular trends
D)gender differences
8
The only time during development in which growth is faster than during puberty is
A)toddlerhood.
B)middle childhood.
C)infancy.
D)young adulthood.
9
On average, females enter puberty at an earlier age than males; that's why
A)women are typically shorter than men.
B)fifth- and sixth-grade girls are usually taller than boys.
C)girls and boys do not get along well during puberty.
D)girls' weight drops significantly in high school.
10
Gwen started her menstrual period about two years earlier than Magda, even though both girls are very healthy. A likely explanation for this event is that
A)Gwen has greater body mass than Magda.
B)Gwen is an athlete.
C)Magda has greater body mass than Gwen.
D)Gwen has better genes than Magda.
11
Which hormone is related to the amount of fat in girls and may signal the beginning and progression of puberty?
A)Thyroxin
B)Estradiol
C)Leptin
D)Cortisol
12
Your son and daughter are fraternal twins, both in the sixth grade. Your son gets angry because people tease him about his sister being taller than he is. You can tell your son that
A)although his sister is taller, his sexual maturation is more advanced.
B)his sister is probably taller because she doesn't eat junk food.
C)since his sister was taller than he was during childhood, she'll always be taller.
D)he needn't worry, because he'll probably catch up with or surpass his sister's height by the end of the eighth grade.
13
In a college course in human sexuality, Jill was asked to describe her initial reactions to menarche. She described the experience very negatively, emphasizing the discomfort and messiness. Jill probably
A)had been well-prepared for the event.
B)did not tell her mother about the event.
C)was statistically on time in her pubertal development.
D)was an early maturer.
14
What determines the age of onset of puberty?
A)Hormones
B)Weight
C)Heredity
D)All of these
15
Juan is just entering puberty. The first of many changes that he is likely to notice is
A)minor voice change.
B)growth of hair in the armpits.
C)appearance of straight pubic hair.
D)increase in penis and testicle size.
16
Lana is just entering puberty. The first of many changes that she is likely to notice is
A)growth of hair in the armpits.
B)increase in hip width.
C)increase in breast size.
D)significant increase in height.
17
Anita is a late-maturing female. She has an increased probability of
A)being tall and thin.
B)being short and stocky.
C)having no skin problems.
D)being dissatisfied with her body image when she is in 11th grade.
18
The three leading causes of death for adolescents are
A)unintentional injuries, cancer, suicide.
B)unintentional injuries, suicide, drug overdose.
C)unintentional injuries, AIDS, homicide.
D)unintentional injuries, homicide, suicide.
19
According to the International Human Genome Sequencing Consortium (2004), humans have approximately ___________ genes.
A)3,000
B)25,000
C)100,000
D)over 1 million
20
Which of the following statements about how genes give humans their characteristics is true?
A)Each gene determines one characteristic.
B)DNA collaborates with other sources of information to form human characteristics.
C)Each gene automatically produces one protein.
D)Genes alone determine every characteristic humans have.
21
Humans are made up of cells; the nucleus of each cell contains __________, which are threadlike structures that contain deoxyribonucleic acid.
A)genes
B)phenotypes
C)chromosomes
D)genotypes
22
Heredity and environment correlations include __________.
A)passive genotype-environment correlations
B)evocative genotype-environment correlations
C)active (niche-picking. genotype-environment correlations
D)all of these







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