Unit 5 - Digestion

Question 1

Which of the following small intestine cells secrete lysozyme?

Answer 1

Panera Cells

Question 2

Which structure regulates the flow of material into the colon?

Answer 2

Ileocecal sphincter

Question 3

Which of the following pancreatic enzymes acts on glycogen and starches?

Answer 3

Amylase

Question 4

Which of the following is a contribution of the digestive system to the muscular system?

Answer 4

The liver can convert lactic acid to glucose

Question 5

Which of the following is the principle bile pigment?

Answer 5

Bilirubin

Question 6

Which of the following structures is found on the liver and is a remnant of the umbilical cord in a fetus ?

Answer 6

Round ligament

Question 7

How long can food stay in the fundus before being mixed with gastric juice?

Answer 7

1 hour

Question 8

Which of the following accessory organs stores bile?

Answer 8

Gallbladder

Question 9

Which of the following enzymes acts to produce monoglycerides as one product ?

Answer 9

Lipase

Question 10

Which of the following processes is the primary function of the villi of the small intestine ?

Answer 10

Absorption.

Question 11

Which structure is composed of prominent lymphatic nodules that function in the immune response ?

Answer 11

MALT

Question 12

The capability of the GI tract to move material along its length is called
1. Motility
2. Propulsion
3. Digestion
4. Defecation

Answer 12

Both 1 and 2 (Motility and Propulsion)

Question 13

Which of the following is the forerunner of the gastrointestinal tract?

Answer 13

Primitive gut

Question 14

Which portion of the peritoneum drapes over the transverse colon and coils of the small intestine ?

Answer 14

Greater omentum

Question 15

Keto acids

Answer 15

Can enter Krebs or be used for ATP production

Question 16

Neuropeptide Y stimulates

Answer 16

Food intake

Question 17

Which of the following transport dietary lipids ?

Answer 17

Chylomicrons

Question 18

Where does the Krebs cycle take place?

Answer 18

Mitochondria

Question 19

How many ATPs can come from substrate level phosphorylation during glycolysis ?

Answer 19

2

Question 20

What hormone stimulates gluconeogenesis?

Answer 20

Glucagon (?)

Question 21

Which of the following helps the core temperature to increase ?

Answer 21

Constriction of blood vessels of the skin, increase in cellular respiration, shivering, thyroid hormone induced increase in metabolic rate, (All of these are methods for core temperate increase!!)

Question 22

Which hormone(s) dominate(s) the absorptive state?

Answer 22

Insulin

Question 23

Which vitamin deficiency can result in rickets in children and osteomalacia in adults?

Answer 23

D

Question 24

Chemical reactions that break down complex organic molecules into simpler ones are called

Answer 24

Catabolism

Question 25

How many reactions take place during the Krebs cycle

Answer 25

8

Question 26

Which hormone is the primary hormone involved in protein breakdown in the postabsorpitive state?

Answer 26

Cortisol

Question 27

Which of the following is NOT a function of phosphorus in the body?

Answer 27

Affects distribution of water through osmosis

Question 28

The higher the relative humidity

Answer 28

The lower the rate of evaporation

Question 29

Which of the following disorders is a disorder in which protein intake is deficient despite normal or nearly normal caloric intake ?

Answer 29

Kwashiokor

Question 30

Which of the following is NOT a postabsorpitive state reaction?

Answer 30

Lipogenesis

Question 31

Which of following is a mechanism of heat transfer that involves direct contact ?

Answer 31

Conduction

Question 32

Which of the following is not a molecule at the “metabolic crossroads”?

Answer 32

Glycogen

Question 33

Which of the following is NOT a form of phosphorylation ?

Answer 33

Reduction phosphorylation

Question 34

Liver cells concert

Answer 34

Ammonia into urea

Question 35

What hormone stimulates glycogenesis ?

Answer 35

Insulin

Question 36

Which nutrient is required by the thyroid gland to synthesize thyroid hormones ?

Answer 36

Iodide/Iodine

Question 37

The most abundant product of the reactions of the Krebs cycle is

Answer 37

Reduced coenzymes

Question 38

Which of the following is NOT a fate that awaits glucose 6-phosphate after it is formed in a cell?

Answer 38

Gluconeogenesis

Question 39

Which of the following is needed for the synthesis of thyroid hormones?

Answer 39

Selenium