Deck 6: Growth and Maturation

Question 1

A measurement used to estimate the stature of an individual who is unable to stand erect is

A) hand length
B) foot length
C) wrist to elbow length
D) knee height
E) hip height

Answer 1

D

Question 2

From zygote to birth, total length increases as much as

A) 5 times
B) 50 times
C) 500 times
D) 5,000 times
E) 50,000 times

Answer 2

D

Question 3

The fastest rate of human growth occurs during the

A) fourth month of prenatal life
B) first half of the first year of life
C) midgrowth spurt
D) pubertal growth spurt

Answer 3

A

Question 4

Median birth length is

A) shorter for boys than girls
B) longer for girls than boys
C) approximately the same for boys and girls
D) unpredictable

Question 5

During the second year of life, gains in body length average about

A) 1 inch
B) 5 inches
C) 10 inches
D) well over a foot

Question 6

During the first year of postnatal life, body length increases about

A) 10%
B) 25%
C) 50%
D) 100%

Question 7

During the 2.5- to 3-year period of the adolescent growth spurt, adolescents often gain

A) 1% of the adult height
B) 10% of the adult height
C) 20% of the adult height
D) 40% of the adult height

Question 8

The midgrowth spurt in height is a growth spurt that generally occurs

A) at puberty
B) at approximately 6.5 to 8.5 years
C) more frequently among girls than boys
D) at puberty AND more frequently among girls than boys
E) at approximately 6.5 to 8.5 years AND more frequently among girls than boys

Question 9

Most of the height gained during the adolescent growth spurt is due to

A) lengthening of the trunk
B) lengthening of the legs
C) intervertebral disk regeneration
D) thickness in joint cartilage
E) spinal curvature

Question 10

After age 30, stature generally remains stable for

A) 5 years
B) 10 years
C) 15 years
D) 20 years
E) 25 years

Question 11

Full adult height is attained when a female

A) and a male are about 18 years old
B) is 16.5 and a male is 18 years old
C) is 18 and a male is 16.5 years old
D) is 18 and a male is 21 years old
E) is 20 and a male is 18 years old

Question 12

At middle age, there is an apparent decrease in height caused by

A) intervertebral disk degeneration
B) decreased thickness of joint cartilage in the lower extremities
C) abnormal spinal curvature
D) all selections are correct

Question 13

A velocity curve for height is useful in depicting

A) increments of change per unit of time
B) periods of fast growth
C) periods of slow growth
D) height velocity percentiles for boys and girls
E) all selections are correct

Question 14

Factors affecting birth weight include

A) mother's socioeconomic status
B) mother's size
C) birth order
D) mother's socioeconomic status AND mother's size
E) mother's socioeconomic status, mother's size AND birth order

Question 15

Midway through prenatal life, the fetus weighs

A) less than 1 pound
B) about 3 pounds
C) about 5 pounds
D) nearly 90 percent of its birth weight

Question 16

Median birth weights for girls and boys are generally

A) 7 and 7.5 pounds respectively
B) 7.5 and 7 pounds respectively
C) 6 pounds for both genders
D) 7 pounds for both genders
E) 8 pounds for both genders

Question 17

During the first year of life, body weight can be expected to

A) stay relatively stable
B) double
C) triple
D) quadruple

Question 18

During the three years of peak weight velocity in early adolescence, females and males gain about

A) 20 and 25 pounds respectively
B) 35 and 45 pounds respectively
C) 25 and 20 pounds respectively
D) 45 and 35 pounds respectively
E) 30 pounds each

Question 19

Average mature body weight is approximately

A) 15 times birth weight
B) 20 times birth weight
C) 25 times birth weight
D) attained at age 15, regardless of gender

Question 20

Research has consistently indicated that heavy babies often exhibit

A) delays in motor development but soon catch up
B) permanent deficits in motor development
C) normal motor development
D) advanced motor development

Question 21

Adolescent awkwardness is

A) a period during the growth spurt that is accompanied by a temporary disruption in motor performance
B) more prevalent among males than females
C) more prevalent among females than males
D) a period during the growth spurt that is accompanied by a temporary disruption in motor performance AND more prevalent among males than females
E) a period during the growth spurt that is accompanied by a temporary disruption in motor performance AND more prevalent among females than males

Question 22

Adolescent awkwardness occurs

A) throughout adolescence
B) only during the latter stages of adolescence
C) only during the period known as peak height velocity
D) only during the middle years of adolescence

Question 23

The body proportion that is a ratio between sitting height and stature is the

A) biacromial/bicristal ratio
B) distance curve
C) contribution of legs and trunk to total height
D) velocity curve

Question 24

The most prominent physical gender difference emerging during adolescence is

A) increase in sitting height among boys
B) increase in standing height among boys
C) decrease in biacromial/bicristal ratio among girls
D) increase in biacromial/bicristal ratio among girls

Question 25

At birth, the percentage of total body length accounted for by head and legs respectively is

A) 15 and 25
B) 25 and 45
C) 25 and 15
D) 45 and 25

Question 26

Sheldon's (1940) process of identifying physique according to three general configurations is known as

A) biacromial process
B) endomorphism
C) bicristal process
D) somatotyping

Question 27

The most widely accepted assessment of maturation is

A) skeletal age
B) dental age
C) age of menarche
D) maturity of genitalia

Question 28

The area of the body most frequently x-rayed to monitor bone growth and maturation is

A) left hand and wrist
B) upper leg
C) lower leg
D) ankle
E) pelvis

Question 29

Katie is a 5-foot 4-inch female who weighs 110 pounds. Calculate Katie's body mass index (kg/m²).

A) 8.7
B) 18.8
C) 25.2
D) 30.7

Question 30

According to the Centers for Disease Control and Prevention, a healthy adult's BMI should range between

A) 16.5 and 18.4 kg/m²
B) 18.5 and 24.9 kg/ m²
C) 25.0 and 29.9 kg/ m²
D) 30.0 and 32.5 kg/ m²

Question 31

The result of the condition referred to as "female athlete triad" is

A) an eating disorder
B) amenorrhea
C) osteoporosis
D) apositional bone formation

Question 32

Adolescent boys are generally weaker than they physical appear because peak gains in muscle mass generally lags how many months behind peak height velocity?

A) 8
B) 10
C) 12
D) 14
E) 16

Question 33

In developed countries, the average age at the onset of menarche is

A) 12.2 years
B) 13.2 years
C) 14.2 years
D) 15.2 years

Question 34

What do the following sentences refer to :
-Median length of boys (in inches) at one year of age.

Question 35

What do the following sentences refer to :
-The type of growth curve that plots increments of change per unit of time.

Question 36

What do the following sentences refer to :
-Mature body weight is approximately how many times greater than birth weight?

Question 37

What do the following sentences refer to :
-Used to measure genitalia maturity.

Question 38

What do the following sentences refer to :
-Adolescent awkwardness is frequently accompanied by a temporary disruption in motor performance during this period of growth.

Question 39

What do the following sentences refer to :
-At birth, the head is approximately what percent of total body length?

Question 40

What do the following sentences refer to :
-Sheldon's physique rating referring to a round and soft individual.

Question 41

What do the following sentences refer to :
-A type of bone removing cell.

Question 42

What do the following sentences refer to :
-The midgrowth spurt most frequently occurs in this gender.

Question 43

What do the following sentences refer to :
-Anthropometric reference point referring to the top of the head.

Question 44

The midgrowth spurt in height occurs more frequently in girls than in boys.

Question 45

As much as 30% of adult stature is attained during the 2-1/2 to 3 years comprising the adolescent growth spurt.

Question 46

During the adolescent growth spurt in body weight, girls will gain an average of about 45 pounds.

Question 47

The younger a child is when he or she encounters the "adiposity rebound," the greater the likelihood the child will have an increased BMI as an adult.

Question 48

Peak height velocity generally occurs at about 13.7 years of age in boys and 12.0 years of age in girls.

Question 49

At birth, the head is approximately 35% of total body length.

Question 50

Head circumference increases only about 5 to 6 centimeters between 3 and 20 years of age.

Question 51

The endomorphic physique is best described as a tall and thin individual.

Question 52

Osteoclasts are cells responsible for removing or breaking down bone during bone remodeling.

Question 53

Today, the most appropriate method for determining skeletal age in American children is through the use of the "Atlas of Skeletal Maturation."