This MCQ was made to help you understand what your body is made of, what effects it and how to calculate and estimate BMI. This MCQ also relates to the learning outcomes mapped to the body compostion lecture in phase 1 at Warwick medical School. Good luck!

Reviewed by: awaiting review

Body composition

Congratulations - you have completed Body composition . You scored %%SCORE%% out of %%TOTAL%%. Your performance has been rated as %%RATING%%
Your answers are highlighted below.
Question 1

Describe body composition

A
The relative proportions of protein, fat, water, and mineral components in the body that make up total body weight
B
The relative proportions of protein, fat, water (excluding skin and bone) in the body that make up total body weight
C
The relative proportions of protein, fat (excluding skin and bone and water) in the body that make up total body weight
D
The relative proportions of water, and mineral components in the body that make up total body weight
Question 2

What is fat free mass and what does it consist of?

A
Body mass that only takes fat mass into consideration
B
Body mass that consists of free fatty acids
C
Body mass that does not take fat mass into consideration (contains water, protein, bone minerals)
D
Body mass only considering the fat surrounding the abdominal region
Question 3

What is body weight composed of?

A
Free fat mass + water and bone minerals
B
Free fat mass + Fat mass
C
Fat mass + muscle mass + bone mass + water
D
Bone mass + fat mass + free fat mass
Question 4

How do you measure BMI?

A
BMI = mass (kg)/(height (m))^2
B
BMI = (mass (kg)) ^ 2 / height (m)
C
BMI = (mass (kg)) ^ 2 / height (cm)
D
BMI = mass (kg)/2(height (cm))
Question 5

Your white British female patient weighs 53 kg and is 168 cm tall. Calculate and interpret their BMI

A
1.88
B
16.7
C
18.8
D
17.6
Question 5 Explanation: 
For a white female: >18.5 - underweight 18.5 and 24.9 – healthy weight range 25 and 29.9 – overweight range
Question 6

You would like to measure the BMI of a bed bound patient, but they cannot stand up to have their height taken for the calculation . What measure could you use to approximate their height ?

A
Ulnar length
B
Femoral circumference
C
Mid upper arm circumference
D
Knee height calliper
Question 7

Which of the following is not a limitation of BMI?

A
It does not take age and gender into consideration
B
It does not take body composition into account
C
It does not take bone density into account
D
BMI in children and adolescence can vary due to differences in fat-free mass
Question 8

Which of the following is a limitation in approximating BMI in measures such as mid arm circumference?

A
The arm stores less fat relative to the rest of the body
B
It does not take body composition into account (ex.body building, muscle wasting)
C
This measure is not evidence based and has fallen out of practice
D
More accurate measures such as ulnar length are better estimators of BMI
Question 9

Which of the following is not a way of measuring body composition?

A
Skinfold measurement
B
Bioelectrical impedance
C
Waist circumference
D
Knee height calliper
Question 10

What is a gynoid vs an android body type?

A
Gynoid relates to lower body obesity, and adenoid to central obesity
B
gynoid relates to central obesity and android to lower body obesity
C
Gynoid relates to female body composition, adenoid to male body composition
D
Gynoid relates to free fat mass and adenoid to higher body mass
Question 11

What diseases can be linked to overnutrition?

A
Cystic fibrosis
B
Down syndrome
C
Multiple sclerosis
D
Obesity
Question 12

Which of the following is not a risk related to undernutrition?

A
Impaired immunity
B
Decreased healing
C
Decreased albumin levels
D
Increased mortality
Question 12 Explanation: 
Undernutrition can cause reduced albumin levels e.g. Kwashiorkor syndrome. If you’re not getting enough protein you can’t synthesise enough albumin
Question 13

What is the M.U.S.T tool?

A
A 5 step screening tool used to identify adults at risk for metabolic syndrome
B
A 5 step screening tool used to identify adults at risk for undernuitrition, malnourished or obese
C
A 5 step screening tool used to identify adults at risk of diabetes
D
A 5 step screening tool used to identify adults at risk of cardiovascular disease
Question 14

Which of the following is not a biological factor that affects body composition?

A
Age
B
Gender
C
Genetics
D
Diet
Question 15

Which of the following is not a lifestyle factor that affects body composition?

A
Diet
B
Physical activity
C
Family history
D
Drugs and alcohol
Question 16

Which of the following is not a biometric factor that affects body composition?

A
Free muscle mass
B
Height
C
Fat distribution
D
Muscle distribution
Once you are finished, click the button below. Any items you have not completed will be marked incorrect. Get Results
There are 16 questions to complete.

Spotted an error?

8 + 4 =