Exam 2

Question 1

Which digestive enzyme does saliva contain?

Answer 1

salivary amylase

Question 2

Non-essential amino acids are those that:

The body can convert from other amino acids
The body can synthesize from nitrogen
The body does not use

Answer 2

The body can convert from other amino acids

Question 3

Blood enters the liver from these blood vessels:

hepatic artery
hepatic vein
hepatic portal vein

Answer 3

hepatic artery

hepatic portal vein

Question 4

Which of the following are components of a hepatic triad:

Answer 4

hepatic artery
hepatic portal vein
bile duct

Question 5

Which would you most likely find on the apical surface of an intestinal epithelial cell?

Plicaes circulares
Villi
The lamina propria
Microvilli

Answer 5

Microvilli

Question 6

The movement of chyme into the duodenum is regulated by the:

Answer 6

Pyloric sphincter

Question 7

Which would be the mirror hormone of glucagon?

Answer 7

Insulin

Question 8

Trans-fats are an example of:

Unsaturated fatty acids
LDLs
Cholesterol

Answer 8

Unsaturated fatty acids

Question 9

What percentage of nutrient absorption happens in the small intestines?

Answer 9

90%

Question 10

Which hormone(s) would most likely depress or reduce the digestive process?

Epinephrine (adrenaline)
Insulin
VIP (Vasoactive Intestinal peptide)
GIP (gastric inhibitory peptide)
Somatostatin

Answer 10

Epinephrine (adrenaline)

Somatostatin

Question 11

Which is a vitamin absorbed in the large intestine?

Vitamin B5
Vitamin A
Vitamin D
Vitamin F

Answer 11

Vitamin B5

Question 12

Fat cells (adipocytes) mostly store _______________.

Answer 12

Triglycerides

Question 13

During glycolysis, glucose is split into two 3-carbon _____________ molecules.

Answer 13

Pyruvate

Question 14

Blood leaves the liver via:

Answer 14

The hepatic vein

Question 15

Which of the following would likely accompany type II (adult-onset) diabetes?

Chronically high insulin levels
Chronically low blood glucose
Chronically high blood glucose

Answer 15

Chronically high insulin levels

Chronically high blood glucose

Question 16

What activates chymoptrypsinogen?

Brush border enzymes
Chymotrypsin

Answer 16

Brush border enzymes

Question 17

Fat, as it is absorbed from the GI tract, is packed into __________________.

Answer 17

Chylomicrons

Question 18

Which of the following is synthesized by peripheral tissues and travels towards the liver?

LDLs
VLDLs
LCSs
HDLs

Answer 18

HDLs

Question 19

The cells in the pancreas that make digestive enzymes are known as:

Acinar cells or Parietal cells

Answer 19

Acinar cells

Question 20

Small pouch-like segments of the large intestine are called:

Answer 20

Haustra

Question 21

Which hormone promotes insulin secretion?

GIP (gastric inhibitory peptide)
Glucagon
VIP (vasoactive peptide)
Enterocrinin

Answer 21

GIP (gastric inhibitory peptide)

Question 22

The bile duct connects to the GI tract in the:

duodenum
 pylorus
 jejunum
 ileum
 cecum

Answer 22

duodenum

Question 23

Which of the following are fat-soluble vitamins?

Vitamins D, A, K and E
Vitamins B, D and K
Vitamins K, B5 and Biotin

Answer 23

Vitamins D, A, K and E

Question 24

Which organ contains three layers to its muscularis externa?

The stomach
The trachea
The small intestine

Answer 24

The stomach

Question 25

Which type of Diabetes is said to be Insulin-dependent?

Type I or Type II?

Answer 25

Type I