Which of the following is the most accurate method of determining body composition quizlet?

Women need ________% essential fat for reproductive system-related fat deposits.

A) 3

B) 18

C) 12

D) 6

C

________ is defined as the relative amounts of lean and fat tissue in the human body.

A) Body composition

B) Obesity

C) Lean body mass

D) Body weight

A

________ is defined as the body's total amount of fat-free tissue.

A) Body composition

B) Obesity

C) Lean body mass

D) Body weight

C

The minimal amount of fat needed for normal physiological functions is defined as

A) recommended body weight.

B) storage fat.

C) essential fat.

D) lean body weight.

C

Which of the following provides energy, insulation, and padding?

A) lean body mass

B) storage fat

C) essential fat

D) bones

B

Which of the following is true of storage fat?

A) Men and women have significantly different amounts of storage fat.

B) Men and women store fat in different locations.

C) Storage fat is not affected by lifestyle.

D) Storage fat is not affected by genetics.

A

In comparing typical 20- to 24-year-old men and women, gender variations in body composition are found primarily in ________ and ________.

A) storage fat; muscle

B) muscle; essential fat

C) bone; storage fat

D) muscle; bone

B

From the mid-1970s to 2010, the number of overweight children and adolescents

A) increased by 3%.

B) increased by 12%.

C) decreased by 5%.

D) remained the same.

B

What would cause a beginning exerciser to experience weight gain without an accompanied increase in storage fat?

A) an increase in muscle tissue

B) an ineffective exercise regimen

C) an increase in adipose tissue

D) not performing enough sit-ups

A

Your friend Joe would like to know his BMI. He is 6' 3" (1.905 m) and his weight is 250 lbs (113.4 kg). What is his BMI (kg/m2)?

A) 18.6

B) 22.5

C) 31.2

D) 40.9

C

A disease risk assessment using height and weight is

A) BMI.

B) bone mineral density.

C) flexibility.

D) skinfold thickness.

A

A BMI of 30 or higher is classified as

A) normal weight.

B) acceptable weight.

C) overweight.

D) obese.

D

A BMI between 25 and 29.9 is classified as

A) normal weight.

B) acceptable weight.

C) overweight.

D) obese.

C

Your roommate is 5' 1" (1.5 m) and weighs 100 lbs (45.5 kg). What BMI (kg/m2) category would she be in?

A) normal weight

B) underweight

C) overweight

D) obese

A

BMIs in ________ and ________ ranges are associated with increased risk for premature death and disease.

A) extremely high; moderately low

B) extremely high; moderately high

C) moderately high; moderately low

D) extremely high; extremely low

D

Which of the following is a limitation of BMI?

A) It doesn't differentiate between fat and lean tissue.

B) It is not helpful for individuals of average muscle and bone density.

C) It is impractical to use in assessing large populations for weight classification and disease risk.

D) It requires expensive equipment to measure.

A

Waist circumference is a measurement that assesses potential risk for disease based on ________ fat.

A) chest

B) thigh

C) abdominal

D) arm

C

________ and ________ put an individual at greatest risk for cardiovascular disease.

A) A low BMI; a high waist circumference

B) A high BMI; a high waist circumference

C) A high waist circumference; a high waist-to-hip ratio

D) A high BMI; a high waist-to-hip ratio

B

Waist-to-hip ratio is calculated by

A) hip circumference divided by waist circumference.

B) waist circumference multiplied by hip circumference.

C) waist circumference divided by hip circumference.

D) hip circumference minus waist circumference.

C

Your brother has a waist circumference of 33" and a hip circumference of 40". What is his waist-to-hip ratio?

A) 0.954

B) 0.825

C) 0.763

D) 1.27

B

Which of the following is the best assessment for indicating disease risk?

A) waist-to-hip ratio

B) waist circumference

C) hydrostatic weighing

D) skinfold thickness

B

People with android fat distribution carry more fat around their

A) hips.

B) stomach.

C) arms.

D) thighs.

B

Which waist-to-hip ratio is an indicator of high risk in young women?

A) 0.94 or more

B) 0.82 or more

C) 0.74 or more

D) 0.62 or more

B

A person with gynoid pattern obesity would most likely carry excess body fat in which area?

A) arms

B) abdomen

C) face

D) hips

D

Adipose tissue that surrounds organs in the abdomen is known as

A) gynoid pattern obesity.

B) subcutaneous fat.

C) android pattern obesity.

D) visceral fat.

D

Which of the following is the most accurate method of estimating body composition?

A) computed tomography

B) skinfold measurements

C) hydrostatic weighing

D) air displacement

A

Which of the following techniques is considered the "gold standard" for assessing body fat percentage?

A) hydrostatic

B) Bod Pod

C) DXA

D) BIA

C

Which method of body composition assessment uses low-dose beams of X-ray energy to measure total fat mass, fat distribution pattern, and bone density?

A) skinfold assessment

B) BMI

C) DXA

D) air displacement

C

Which of the following skinfold sites is used to measure body fat in females?

A) chest

B) thigh

C) abdomen

D) bicep

B

Skinfold measurements have what range of error in predicting percent body fat?

A) 7-8%

B) 1-2%

C) 5-6%

D) 3-4%

D

Skinfold thickness is measured with a

A) caliper.

B) dynamometer.

C) Bod Pod.

D) BIA.

A

Which of the following conditions would make hydrostatic weighing most difficult for the subject?

A) if the subject is excessively lean

B) if the subject is moderately overweight

C) if the subject is a beginning level swimmer

D) if the subject is not comfortable being submerged

D

Which of the following is a disadvantage of DXA?

A) inaccuracy

B) time consuming

C) cost

D) safety

C

Hydrostatic weighing is a body composition technique that utilizes

A) water displacement.

B) circumference measurements.

C) BMI.

D) air displacement.

A

Which method of body composition assessment calculates body volume from the air displaced by an individual sitting inside a small chamber?

A) Bod Pod

B) hydrostatic weighing

C) skinfold

D) DXA

A

Which of the following best illustrates the principle of water displacement?

A) Muscle is a better conductor of an electrical current than fat.

B) Body weight is the sole factor determining how much a person weighs underwater.

C) Denser objects sink while lighter objects float.

D) Fat contains more water than lean tissue.

C

Which of the following techniques of body composition assessment is most similar in concept to hydrostatic weighing?

A) air displacement

B) bioelectrical impedance

C) BMI

D) DXA

A

Bioelectrical impedance is based on the principle that

A) lean tissue is less dense than fat tissue.

B) lean tissue is a better conductor of an electrical current than fat tissue.

C) water travels more efficiently through fat tissue than lean tissue.

D) fat floats and lean tissue sinks.

B

Max climbs into a Bod Pod at the football training camp to have his body composition assessed. What method does the Bod Pod use to calculate estimated percent body fat?

A) dual-energy x-ray absorptiometry

B) bioelectrical impedance analysis

C) air displacement

D) hydrostatic weighing

C

The range of error for a bioelectrical impedance (BIA) in measuring body composition is

A) 5-10%.

B) 5-7%.

C) 3-4%.

D) 1-3%.

C

Quick weight loss results in a loss of

A) water.

B) fat.

C) blood.

D) self-esteem.

A

When setting goals for achieving a healthy body composition, it is a good idea to

A) aim to increase your fat mass gradually.

B) expect rapid weight loss.

C) exercise specific areas to lose using spot reduction.

D) choose a target weight that is healthy and that you can maintain for a lifetime.

A

Which of the following assessment techniques may be monitored weekly to track progress in meeting body composition goals?

A) body weight

B) BMI

C) body circumference

D) percent body fat

A

Jessie is trying to meet a healthy body composition goal. How often should Jessie have his BMI reassessed?

A) weekly

B) daily

C) bi-weekly

D) once a month or less

D

Which of the following is associated with the unhealthy "female athlete triad"?

A) disordered eating

B) obesity

C) diabetes

D) cancer

A

Which of the following groups are at greatest risk for the female athlete triad?

A) soccer players

B) softball players

C) gymnasts

D) swimmers

C

The self-esteem and body composition disorder in which men who are of normal weight and even unusually muscular think that they are "puny" is which of the following?

A) athlete triad

B) muscle dysmorphia

C) android obesity pattern

D) gynoid obesity pattern

B

Kim is a college soccer player. Her training coach assessed her body composition using skinfold thickness. She had 15% body fat. This percentage body fat is classified as

A) athletic/low.

B) fitness.

C) acceptable.

D) obese.

A

Storage fat provides padding to the organs.

TRUE

Lean body mass is body weight minus fat.

TRUE

Essential fat required for females is 12%.

TRUE

Fat can be used for energy.

TRUE

Storage fat is nonessential fat stored in tissue near the body's surface and around major body organs.

TRUE

Essential fat is needed for normal body functioning.

TRUE

Obesity does not increase a person's risk for death and disability.

FALSE

The percentage of overweight adults has decreased over the past 5 years.

FALSE

BMI incorporates height and weight to estimate weight classification.

TRUE

A BMI of less than 18.5 is classified as "underweight."

TRUE

A BMI of 25 or greater but less than 30 is classified as "overweight."

TRUE

BMI is the most accurate predictor of disease risk.

FALSE

Gynoid obesity is seen in people who store fat in the abdominal area.

FALSE

A DXA scan is an inexpensive method of assessing body composition that you can do in your own home.

FALSE

Hydrostatic weighing is the least effective technique for assessing percent body fat.

FALSE

DXA is readily available to most fitness participants.

FALSE

The Bod Pod is used to measure water displacement.

FALSE

A subject's amount of water intake can significantly alter the results of a bioelectrical impedance analysis machine.

TRUE

Bioelectrical impedance is a technique to determine risk for cardiovascular disease.

FALSE

Abdominal fat increases your risk for disease much more than fat on your calves.

TRUE

Which of the following is the most accurate method of determining body composition?

Which of the following is the most accurate method of estimating body composition quizlet?