Digestion, Absorption, Metabolism, and Normal Nutritional Requirements

Question 1

What are the 4 categories of macronutrients?

Answer 1

.Carbs
.Protein
.Fats
.Water

Question 2

What are the 2 categories of micronutrients?

Answer 2

.Vitamins
.Minerals

Question 3

How many kcal are in 1g of fat?

Answer 3

9 kcal/g

Question 4

How many kcal are in 1g of protein?

Answer 4

4 kcal/g

Question 5

How many kcal are in 1g of carbs?

Answer 5

4 kcal/g

Question 6

What are some clinical manifestations of impairment in carb absorption?

Answer 6

.Diabetes
.Steroid utilization
.Stress/critical illness

Question 7

Fats aid in the absorption of which vitamins?

Answer 7

A, D, E and K

Question 8

What are 2 essential fatty acids?

Answer 8

.Linoleic
.Alpha linolenic

Question 9

Adequate water intake for an adult female? Adult male?

Answer 9

2.7L. 3.7L

Question 10

True or false: Vitamins cannot be synthesized in the body

Answer 10

True

Question 11

Which vitamins are water soluble?

Answer 11

.B complex vitamins - B1, B2, B3, B5, B6, B7, B9, B12
.C

Question 12

Name each B vitamin: B1, B2, B3, B5, B6, B7, B9, B12

Answer 12

B1 - thiamine
B2 - riboflavin
B3 - niacin
B5 - pantothenic acid
B6 - pyridoxine
B7 - biotin
B9 - folate
B12 - cyanacobalamin

Question 13

UL of vitamin B6?

Answer 13

100mg

Question 14

UL of vitamin C?

Answer 14

2000mg

Question 15

UL of B9?

Answer 15

1mg

Question 16

True or false: Small bowel absorbs water/electrolytes, and
excretes excess

Answer 16

False. Large

Question 17

What is the site of absorption of cyanacobalamin?

Answer 17

Distal ileum

Question 18

What is the site of absorption of folate?

Answer 18

Duodenum, jejunum, distal ileum

Question 19

True or false: Small bowel digests and absorbs nutrients

Answer 19

True