Question

1) A healthy body fat percentage for a female would be:

a. 8%

b.13%

c.24%

d. 35%

2) Which of the following body composition assessment techniques also measures bone mineral density?

a. Hydrodensitometry

b. EXA

c. Air displacement plethysmography

d. Bioelectrical impedance analysis

3) Which of the following statements about Body Mass Index (BMI) is true?

a. BMI is a valuable tool for assessing body composition.

b BMI does not account for different tissue types.

c. BMI can be used to assess risk for cardiovascular disease.

d.B and C

e. All of the above

4) Of the following body composition measurement techniques, which if the following is typically the most accurate?

a. Skinfold calipers

b. Air displacement plethysmography

c. Bioelectrical impedance analysis

e. DEXA

5) Which of the following body composition tests estimates body fat percentage through the emission of an electrical impulse?

a. Hydrodensitometry

b. Air displacement plethysmography

c. Bioelectrical impedance analysis

e. DEXA

Answer 1

1) The correct option is (c) i.e 24%

The healthy body fat percentage for a female is about 24%

The other options are not correct because it does not lies under healthy range of body fat in females.

2) The correct option is (b) i.e DEXA

DEXA ( Dual energy X - ray absorptiometry technique) is a body composition assessment technique which also measures bone mineral density.

The other options does not measures bone mineral density.

3) The correct option is (d) i.e B and C

BMI is not a valuable tool for assessing body composition because it is not accurate and can be misleading. It does not account for different tissue types. It is based only on weight and height of a person. It does not take into account muscle mass, bone density, overall body composition, and racial and sex differences. It can be used to assess the risk of cardiovascular disease.

4) The correct option is (b) i.e Air displacement plethysmography.

Air displacement plethysmography is typically the most accurate amongst the given body composition measurement techniques. It is actually similar to underwater weighing. It determines the body density by measuring the amount of air displaced by the individual. Thus, the body density can be used to calculate the body composition.

The other options does not have the accuracy as compared to that of Air displacement plethysmography.

5) The correct option is (c) i.e Bioelectrical impedance analysis.

Bioelectrical impedance works by sending small electrical impulses through the body and measuring how quickly those impulses returns.

The other options does not involves the use of emission of the electrical impulses.