Ch. 1

Question 1

Nutrition is : (3)

Answer 1

nutrients w/ in
their interactions
the process

Question 2

B1

Answer 2

thiamine

Question 3

B2

Answer 3

riboflavin

Question 4

B3

Answer 4

Niacin

Question 5

B5

Answer 5

pantothenic acid

Question 6

B6

Answer 6

pyridoxine

Question 7

B7

Answer 7

biotin

Question 8

B9

Answer 8

folate

Question 9

B 12

Answer 9

cobalamin

Question 10

Bit C

Answer 10

ascorbic acid

Question 11

name major minerals

Answer 11

> 100 mg

Ca, P, Na, K, Mg, S, Cl

Question 12

name in order the rate that nutrients leave the body

Answer 12

carbs- proteins- fats- fiber

Question 13

Where is the major portion of fat digestion

Answer 13

small intestine (pancreatic lipase)

Question 14

Bact. in the large intestine makes vit ___ and __

Answer 14

vit K and B7

Question 15

___ enzyme in saliva

Answer 15

ptyalin

Question 16

ptyalin breaks down ___

Answer 16

starch

Question 17

final product of starch break down

Answer 17

maltose and dextrin

hydrolysis of a1 –> 4 glycosidic bonds

Question 18

2 enxymes in gastric juice

Answer 18

pepsin , gastric lipase

Question 19

(2) substrates broken down by gastric juice

Answer 19

protein and fats

Question 20

final products of protein

Answer 20

peptides, AA

Question 21

final products of fats

Answer 21

FFA

Question 22

(7) pancreatic exocrine enzymes

Answer 22

lipase
cholesterol esterase
a-amylase
trypsin/ chymotrypsin 
carboxy-peptidase
ribonuclease
elastase

Question 23

lipase breaks down ___

Answer 23

fat into FFA

Question 24

Cholesterol esterase breaks down ___ substrate into ____ produce

Answer 24

cholesteryl esters –> choleserol

Question 25

a-amylase breaks down (2) substrates into ___ (2)

Answer 25

starch & dextrine

into dextrin and maltose

Question 26

Trypsin/ chymotrypsin breaks down ___ substrate into ____ product

Answer 26

protein –> polypeptides

Question 27

Carboxy-peptidase breaks down ___ substrate into ___ product

Answer 27

poly-peptides –> AA

Question 28

Ribonuclease breaks down ___ into ____

Answer 28

DNA/RNA –> mono-nucleotides

Question 29

Elastase breaks down ___ to ___

Answer 29

fibrous protein –> AA

Question 30

Name the (8) brush boarder enzymes

Answer 30

carboxy/amino.di-peptidase
entero-kinase 
sucrase
isomaltase
maltase
lactase
nucleotidase
nucleosidase phosphorylase

Question 31

Trace minerals account of less than ____% of total bd. wt

Answer 31

0.03%

Major minerals account for 0.03% of bd. wt.

Question 32

___ study: includes case- series studies and cohort studies

Answer 32

observational studies

Question 33

___ studies are interventional

Answer 33

experimental study

Question 34

___ study are analysis of a body of evidence on the same subject

Answer 34

meta- analysis

Question 35

____ study are controlled experiments, usually reliable

Answer 35

experimental study

Question 36

___ study are epidemiological

Answer 36

observational

Question 37

___ studies cant contro all variables, may lead to incorrect conclusion

Answer 37

observational

Question 38

Any therapeutic claim must have sig. experimental evidence and be approved by the :____

Answer 38

FDA

Question 39

___: body part mesurements

Answer 39

anthropometry

Question 40

____ to ___ % of the diet is absorbed

Answer 40

92%- 97%

Question 41

Small intestine is ____ ft long

Large intestine is ___ ft long

Answer 41

S.I : 22ft

L.I : 5 ft

Question 42

Pancreatic exocrine secretion does ___ action

Answer 42

hydrolysis

Question 43

Entero-kinase activates to ____

Answer 43

trypsin