Topic Test Answers

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41
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Screen time includes all of the following EXCEPT:

A
watching television after school
B
participating in regular health screenings
C
playing video games with friends
D
checking friends' status updates on the computer
42
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The term "fitness" refers to the quality of physical and mental soundness. Please select the best answer from the choices provided.

A
T
B
F
43

Understanding the benefits of an activity can __________.

A
Increase your motivation to continue doing it
B
decrease your effectiveness at getting those benefits
C
decrease your chances of becoming injured doing it
D
none of the above
44

Janine was very active throughout her early adulthood and maintained a very high fitness level. If she wants to maintain this fitness level throughout her middle adulthood, how might her participation in physical activity and exercise be impacted?

A
Janine should reduce the amount of time she spends exercising because it is easier to maintain fitness levels as you age.
B
Janine should keep her current exercise program because, once a high level of fitness is reached, it never changes.
C
Janine should increase the intensity or length of her exercise programs because it is more difficult to maintain high fitness levels as you age.
D
Janine should stop exercising completely because it is not safe for middle-aged adults to exercise.
45

Which of the following is NOT a common barrier to getting proper exercise?

A
safety
B
health problems
C
injury
D
experience
46

Which of the following statements BEST describes chromosomes?

A
Humans have 460 chromosomes in every cell.
B
Chromosomes are arranged in 230 pairs.
C
Chromosomes carry the codes for hereditary traits.
D
Chromosomes are found outside the nucleus of each human cell.
47

Genetic research and testing includes __________.

A
the Human Genome Project
B
gene therapy
C
genetically engineering drugs
D
all of the above
48

Amniocentesis is a test in which fluid is removed from the uterus so the baby's genetic composition can be determined.

A
T
B
F
49

Exercising as a family can leave a lasting impression on a child.

A
T
B
F
50

Heredity refers to the __________.

A
removal of DNA from the human body
B
formation of chromosomes from DNA
C
many types of female genes
D
passing of traits from parents to children

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