Question 1

Which of the following statements about myopia, or nearsightedness, is TRUE?

Accepted Answer

A)   It decreases slightly between childhood and adulthood.
B)   It increases between childhood and adulthood.
C)   It disappears by the end of childhood but may come back in adulthood.
D)   It remains constant between childhood and adulthood. B

Question 2

The prevalence of childhood obesity has doubled in the past 20 years. However, this prevalence varies by

Accepted Answer

A)   racial and ethnic background of child.
B)   education level of parents.
C)   accessibility of high-quality healthcare.
D)   sex of child, with obesity increasing for girls and decreasing for boys. A

Question 3

Thirteen-year-old Mahmood has been obese since he was a toddler, while his brother has always been normal weight. Which statement is likely to be TRUE about Mahmood?

Accepted Answer

A)   He has less adipose tissue than his brother.
B)   He has more adipose tissue than his brother.
C)   Both he and his brother have about the same amount of adipose tissue.
D)   Mahmood's adipose tissue has more functions than that of his brother. B

Question 4

How does the rate at which European American children receive medications for attention-deficit/hyperactivity disorder (ADHD)compare to the rate at which African American children receive them?

Accepted Answer

A)   Twice as often
B)   Three times as often
C)   Four times as often
D)   Five times as often

Question 5

Niko is an average 9-year-old. How much should he eat relative to when he was 5?

Accepted Answer

A)   More
B)   Less
C)   The same amount
D)   Depends on his body type.

Question 6

Overweight children usually perform poorly in

Accepted Answer

A)   art and music.
B)   reading and writing.
C)   math and science.
D)   sports.

Question 7

Beginning around age 11, how do males and females differ in physical development?

Accepted Answer

A)   Males develop more height, while females develop more weight.
B)   Males develop more fatty tissue, while females develop more muscle.
C)   Males develop more muscle, while females develop more fatty tissue.
D)   Males develop more weight, while females develop more height.

Question 8

At about what age do children have the motor skills to engage in gymnastics and team sports?

Accepted Answer

A)   Labyrinthine motor skills:4-6
B)   Systemic motor skills: 6-8
C)   8-10
D)   10-12

Question 9

The average 9- to 13-year-old girl requires how many calories per day?

Accepted Answer

A)   1,200-1,800
B)   1,200-2,000
C)   1,400-2,200
D)   1,600-2,600

Question 10

How do the motor skills of middle childhood boys and girls compare to each other?

Accepted Answer

A)   Boys have more agility, while girls have more strength.
B)   Boys have more forearm length, while girls have more limb coordination.
C)   Boys have more forearm strength, while girls have more hand-eye coordination.
D)   Boys have more hand-eye coordination, while girls have more strength.

Question 11

Fat cells are also called

Accepted Answer

A)   pancreatic cells.
B)   adipose tissue.
C)   epithelial tissue.
D)   natural killer cells.

Question 12

Children with a greater number of fat cells feel hungry sooner than those with a normal number of fat cells.

Accepted Answer

A) True 
 B)False

Question 13

What percentage of school-aged children are diagnosed with attention-deficit/hyperactivity disorder (ADHD)?

Accepted Answer

A)   Less than 1%
B)   Around 10%
C)   15%
D)   11%

Question 14

Which of the following statements about the food preservative benzoate is TRUE?

Accepted Answer

A)   It is largely responsible for hyperactivity in children.
B)   It does not appear to be responsible for hyperactivity in children.
C)   It helps to control hyperactivity in children.
D)   It is no longer used as a food preservative, so it is not relevant to hyperactivity in children.

Question 15

In the 6- to 11-year-old age range, how many children in the United States are obese?

Accepted Answer

A)   Nine out of ten
B)   One out of ten
C)   One boy in five and one girl in six
D)   One girl in five and one boy in six

Exam 11: Middle Childhood: Physical Development