energy balance/ BMR/ PAL

Question 1

What is Energy Balance? [1]

Answer 1

Relationship between energy input and energy used by the body.

Question 2

What is a positive Energy Balance? [1]

Answer 2

Energy consumed is higher than energy used = weight gain

Question 3

What is a negative Energy Balance? [1]

Answer 3

Energy consumed is lower than energy used = weight loss

Question 4

What is BMR?

Answer 4

Basal Metabolic Rate - Energy needed for all bodily functions, e.g. digestion

Question 5

Explain 3 factors that impacts BMR. [6]

Answer 5

-Age –> Young children have a higher BMR due to growth. Older people have lower BMR due to less muscle mass
-Gender –> Men often have higher BMR than women due to higher muscle mass
-Health –> Energy is needed to fight off disease.

Question 6

What is PAL? [1]

Answer 6

Physical Activity Level - Energy needed for activity

Question 7

Name 2 factors that impact PAL. [2]

Answer 7

-Type of activity - Intensity level
-Body Weight

Question 8

List 5 Teenage Dietary Needs. [5]

Answer 8

-Follow EWG
-Follow 8 tips
-Girls - Iron rich
-Boys - Energy dense
-High calcium, phosphorus and vitamin D for good bone health