General

Question 1

Bioavailability

Answer 1

The rate and extent to which a nutrient is absorbed and used.

Question 2

What are some factors affecting the bioavailability of nutrients?

Answer 2

Efficieny of digestion and transit time, genetic variation, nutritional status of the individual, aging, method of food preparation, nutrient-nutrient interactions (what you eat with it)

Question 3

1 pound of fat is approximately how many Calories?

Answer 3

3500

Question 4

What is a direct measure of food’s energy value?

Answer 4

Bomb calorimeter

Question 5

Hunger

Answer 5

Physiological response to nerve signals and chemical messengers.

Question 6

What are the biological factors impacting food intake?

Answer 6

Hunger, appetite, satiation, and satiety

Question 7

Satiation

Answer 7

The signal to stop eating.

Question 8

Satiety

Answer 8

The feeling of not being hungry after eating a meal that prevents you from starting to eat again.

Question 9

What are some non-biological factors impacting food intake and food choices?

Answer 9

Preferences/tastes, availability, accessibility, affordability, exercise, habits, and culture

Question 10

What are the factors affecting basal metabolism?

Answer 10

Aging, lean body mass, exercise, stress, hormones like thyroid hormones, and genetics/ epigenetics.

Question 11

Basal metabolic rate

Answer 11

The rate at which the body expend energy for life-sustaining activities.

Question 12

Underweight BMI

Answer 12

<18.5

Question 13

Overweight BMI

Answer 13

> 25

Question 14

Obese BMI

Answer 14

Greater than or equal to 30