QUIZ- Body Composition

Question 1

the amount of residual volume of air in the lungs can decrease the accuracy of hydrostatic weighing

-true
-false

Answer 1

true

Question 2

out of the following methods of measuring body composition, which would be the MOST accurate?

-hydrostatic weighing
-BIA
-skinfold
-BMI

Answer 2

hydrostatic weighing

Question 3

when looking at a population of people, their collective BMI average can indicate their mortality risk

-true
-false

Answer 3

true

Question 4

when performing a skinfold measurement what’s the maximum amount of time that you would want to wait before reading the measurement?

-4 seconds
-2 seconds
-1 second
-3 seconds

Answer 4

2 seconds

Question 5

if a healthy client had a body density of 1.093 g/cm^3, what category would their body composition most likely be?

-normal
-obese
-very lean
-overweight

Answer 5

very lean

Question 6

which body composition technique relies on Archimedes Principle to calculate body density and then estimate body composition?

-bod pod (air displacement plethysmography)
-skinfolds
-DXA
-hydrostatic weighing

Answer 6

hydrostatic weighing

Question 7

which of the following is not a standardized skinfold site location?

-chest
-medial calf
-subscapular
-lateral oblique

Answer 7

lateral oblique

Question 8

out of the following skinfold sites, which would not be included in a common 7-site measurement

-subscapular
-abdominal
-thigh
-medial calf

Answer 8

medial calf

Question 9

body mass index is a valid measurement of body composition for the individual client

-true
-false

Answer 9

false

Question 10

which of the following methods doesn’t use body density to calculate body composition

-hydrostatic weighing
-DXA
-all of these use body density
-bod pod (air displacement plethysmography)

Answer 10

all of these use body density

Question 11

increasing the number of frequencies used in a BIA can increase the accuracy of the measurement

-true
-false

Answer 11

true

Question 12

which of the following skinfold sites isn’t listed correctly?

-abdominal; vertical fold, 2cm to the right side of the umbilicus
-medial calf; vertical fold, at the maximum circumference of the calf on the midline of its medial border
-midaxillary; diagonal fold, on the midaxillary line at the level of the xiphoid process of the sternum
-subscapular; diagonal fold, 1-2 cm below the inferior angle of the scapula

Answer 12

midaxillary; diagonal fold, on the midaxillary line at the level of the xiphoid process of the sternum

Question 13

which body composition technique relies on Boyle’s law to calculate body density and then estimate body composition?

-DXA
-skinfold
-bod pod (air displacement plethysmography)
-hydrostatic weighing

Answer 13

bod pod (air displacement plethysmography)

Question 14

which of the following isn’t an indirect method of body composition?

-skinfolds
-BMI
-bod pod (air displacement plethysmography)
-DXA

Answer 14

BMI

Question 15

which of the following is not a standardized skinfold site location?

-thigh
-biceps
-midaxillary
-substernal

Answer 15

substernal