Lecture 4

Question 1

Why is BMR higher for those in cold climates compared to warm climates?

Answer 1

Due to shivering and increased thermogenesis

Question 2

Does severe caloric restriction affect BMR? If so, how?

Answer 2

Severe caloric restriction decreases BMR, as the body thinks you are starving and conserves calories

Question 3

How does water’s % of the body change as you age, and what % of an adult’s body is water?

Answer 3

It decreases as you age, adults are 70% water

Question 4

Why is osteoporosis more prevalent for women post menopause (age 45-55)?

Answer 4

With menopause, estrogen is decreased
-Estrogen is crucial in bone density regulation as it inhibits osteoclast activity
-Without estrogen, bone density decreases

Question 5

Which athletes have the highest bone density?

Answer 5

Gymnasts, due to the high amount of resistance on their bodies

Question 6

BMI formula

Answer 6

Mass (kg) / height (m) ^2