Deck 6: Anthropometry

Question 1

If a 7 year-old male's height-for-age was at the 75th percentile, 75% of 7 year-old males would be shorter than him.

Answer 1

True

Question 2

A person is 5 feet, 5 inches tall and weighs 192 pounds. Which of the following correctly represent this person's body mass index?

A) 24
B) 28
C) 32
D) 34

Answer 2

C

Question 3

An alternative to using hydrostatic weighing to directly determine body density is

A) air displacement plethysmography
B) bioelectrical impedance
C) dual energy x-ray absorptiometry
D) skinfold measurements

Answer 3

A

Question 4

The CDC growth charts for children from birth to 24 months were developed using growth standard data.

Question 5

A 10 year-old whose BMI for sex and age is at the 75th percentile would be considered

A) underweight
B) healthy weight
C) overweight
D) obese

Question 6

An 18 year-old female whose BMI is 31 kg/m² but whose BMI for sex and age is at the 93rd percentile would be considered

A) underweight
B) healthy weight
C) overweight
D) obese

Question 7

According to the Hamwi equation, a 45 year-old male who is 67 in tall should weigh approximately

A) 128 lb
B) 138 lb
C) 148 lb
D) 158 lb

Question 8

Which of the following assumptions has the greatest potential for being a significant source of error in estimating body composition from skinfold measurements?

A) the compressibility of a double thickness of skin and subcutaneous tissue is constant
B) the thickness of skin is a negligible or constant fraction of the skinfold
C) the fat content of adipose tissue is constant
D) the proportion of internal fat to external fat is constant

Question 9

Which one of the following is considered to be the most closely correlated with body fatness?

A) relative weight
B) Hamwi equation
C) weight/height ratio
D) Quetelet's index

Question 10

The "Frankfort plane" refers to

A) the position of the subject's head when height or length is measured
B) the position of the subject's axial skeleton when height or length is measured
C) the position of the observer's eyes in relation to the scale of a stadiometer when a subject's height is measured
D) the position of the measuring tape on the subject's head when head circumference is measured

Question 11

Hydrostatic weighing is done on two persons who are the same in all respects except that one has a greater residual volume than the other. Residual volume is not measured directly but estimated and assumed to be the same for both people. According to the results from the hydrostatic weighing, the person with the greater residual volume will appear to have ______ percent body fat compared with the person with the smaller residual volume.

A) essentially the same
B) a greater
C) a lower

Question 12

According to the Hamwi equation, a 25-year-old female who is 64 inches tall should weigh approximately

A) 110 lb
B) 120 lb
C) 130 lb
D) 135 lb

Question 13

An individual has a height of 5 feet 7 inches. How much would this person have to weigh in order to have a body mass index of 23? Select the closest answer.

A) 129 lb
B) 147 lb
C) 163 lb
D) 174 lb

Question 14

A 4 year-old child whose BMI for sex and age is greater than or equal to the 85th percentile but less than the 95th percentile would be considered

A) underweight
B) healthy weight
C) overweight
D) obese

Question 15

An adult whose BMI is 22.4 kg/m² would be considered

A) underweight
B) healthy weight
C) overweight
D) obese

Question 16

When using the CDC growth charts for boys and girls ages 2 years to 20 years, either standing height or recumbent length can be appropriately used.

Question 17

Which of the following is an example of parallax?

A) the position of the subject's head when height or length is measured
B) the position of the subject's axial skeleton when height or length is measured
C) the position of the observer's eyes in relation to the scale of a stadiometer when a subject's height is measured
D) the position of the measuring tape on the subject's head when head circumference is measured

Question 18

Which of the following correctly expresses body mass index (Quetelet's index)?

A) height in meters ÷ weight in kilograms (m ÷ kg)
B) height in meters ÷ weight in kilograms squared (m ÷ kg²)
C) weight in kg ÷ height in meters (kg ÷ m)
D) weight in kg ÷ height in meters squared (kg ÷ m²)

Question 19

When estimating body composition using bioelectrical impedance, dehydration caused by insufficient water intake, excessive perspiration, heavy exercise, or alcohol use can result in

A) an overestimation of fat mass
B) an underestimation of fat mass
C) no change in the estimate of fat mass

Question 20

Pediatric growth charts based on a growth reference are preferred over growth charts based on a growth standard.

Question 21

An index of body fat distribution recommended for use by the U.S. National Institutes of Health is __________.

Question 22

The amount of air that remains in the lungs after a complete exhalation is known as residual volume.

Question 23

A device designed to measure stature in children and adults is known as a/an __________.

Question 24

In persons who are very muscular or who have clinically significant edema, body mass index will overestimate body fat content.

Question 25

A graphic device with several vertical scales allowing the calculation of certain values when a straightedge is connected between two of the scales and the desired value is read from a third scale is known as a/an __________.

Question 26

15 year-old female whose BMI-for-age is at the 90th percentile would be considered __________.

Question 27

When an infant is lying on its back in order to have its length measured, it is said to be in the __________ position.

Question 28

If a stadiometer is not available to measure height, a non-stretchable tape measure securely fastened to a flat, vertical surface such as a wall is an appropriate approach to measuring height.

Question 29

The triceps skinfold measurement alone cannot be used to estimate percent body fat, but it is useful for making comparisons among subjects of the same age and sex when reference data are available.

Question 30

Tissues in the body having a high percentage of water and a low percentage of fat are better conductors of electricity than are tissues having a high percentage of fat and a low percentage of water.

Question 31

Obese persons having a greater proportion of their body fat located in the upper body and abdominal region compared with that in the hips and thighs, have what is referred to as __________ obesity.

Question 32

Assessing body composition by measuring the density of the entire body is known as __________.

Question 33

Opposition to an alternating current is known as __________.

Question 34

A growth chart developed using anthropometric data collected from a large group of infants and children who grew under optimal health and environmental conditions is known as a growth __________.

Question 35

A waist circumference of 37 inches in an adult male would be considered high-risk.

Question 36

The 50th percentile is considered the average or __________ value for the specific population of interest.