DSA: Nutrition And Digestion Flashcards Preview

Danielle- MCM Test 1 > DSA: Nutrition And Digestion > Flashcards

Flashcards in DSA: Nutrition And Digestion Deck (28):
1

__________ can serve as a source of energy because its energy content is 7kcal/g, which is higher than that of carbs and proteins

Ethanol

2

__________ are found n food sources and are derivatives of major enzyme cofactors

Vitamins

3

__________ are trace elements that are also important enzymatic cofactors

Minerals

4

What substances does saliva (amylase) digest?

Starch

5

What substances does gastric juice (pepsin and HCl) digest?

Proteins

6

What substances does pancreatic juice (trypsin, lipases, and amylase) digest?

Proteins
Fats emulsified by bile
Starch

7

What substances do intestinal enzymes (peptidases, sucrase, Lactase and maltase digest?

Peptides
Sucrose
Lactose
Maltose

8

What substances does bile from the liver digest?

Fat globules

9

What is vitamin A also known as and what is it derived from?

Retinol derived from beta-carotene

10

What is the active form of vitamin D and where is it made?

1,25-dihydroxycholecalciferol -> made in kidney

11

What vitamin is responsible for eye health?

Vitamin A

12

What vitamin is a lipophilic antioxidant?

Vitamin E

13

What vitamin is responsible for Ca2+ absorption?

Vitamin D

14

NAD from _______ is involved in many oxidoreductase reactions

Niacin

15

What vitamin is deficient in alcoholics?

Vitamin B1 (thiamine)

16

What is the functional form of Vitamin 1 (thiamine)?

TPP

17

What disease is associated with vitamin C deficiency?

Scurvy

18

What disease is associated with thiamin deficiency?

Beriberi

19

What disease is from niacin deficiency?

Pellagra

20

What disease is from biotin deficiency?

Conjunctiva

21

What disease is from a folate or vitamin B12 deficiency?

Megaloblastic anemia

22

A choline deficiency can result in damage to which organ?

Liver

23

What disease is from a vitamin D deficiency?

Rickets

24

Where is vitamin D2 converted to vitamin D3?

Intestine

25

Where is 7-dehydrocholesterol converted to vitamin D3?

Skin

26

Where is cholecalciferol (vitamin D3) converted to 25-hydroxycholecalciferol?

Liver

27

What enzymes does warfarin inhibit in the vitamin K pathway?

Vitamin K reductase used to convert vitamin K phylloquinone -> vitamin K hydroquinone (active)

Vitamin K epoxide reductase used to convert vitamin K epoxide -> vitamin K phylloquinone

28

When problems with digestion occur, such as when bile contains too much cholesterol and too little bile salt and the cholesterol hardens into gallstones, what vitamins can you expect to be deficient?

Fat soluble vitamins