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Flashcards in Exam 4 Deck (50)
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1

The ___ contains blood and lymphatic vessels, while the _____provides absorption and secretion.
A. mucosa; submucosa
B. submucosa; mucosa
C. submucosa; serosa
D. mucosa;serosa

B. Submucosa; mucosa

2

Which of the following sphincters is located between the stomach and esophagus?
A. Pyloric sphincter
B. Lower/gastroesophageal sphincter
C. Ileoceal sphincter (valve)
D. Internal anal sphincter

B. Lower/gastroesophageal sphincter

3

Which of the following is NOT an essential nutrient?
A. Linoleic acid
B. Linolenic acid
C. Vitamin A
D. Vitamin E
E. All of the above are essential nutrients

E. All of the above are essential nutrients

4

_____ is known as the study of the sources, action and interactions of a unit.
A. Digestion
B. Absorption
C. Nutrition
D. Physiology

C. Nutrition

5

Which enzyme/ production site is incorrect?
A. Pepsinogen (pepsin)- parietal cells
B. Trypsin- pancreas
C. peptidases- small intestines
D. Amylase- pancreas
E. more than one above is correct

A. Pepsinogen (pepsin)- parietal cells

6

The enzyme _____ leads to the breakdown of________.
A. Pepsin- lipids
B. Amylase- carbohydrates
C. nucelases; carbohydrates
D. Chymotrypsin- proteins
E. More than one above is correct

E. More than one above is correct

7

Which of the following regions represents the upper region of the stomach?
A. Pyloric
B. Fundic
D. Cardiac
D. Body

B. Fundic

8

Which of the following does NOT describe the liver?
A. Production of pepsiongen
B. produces bile
C. site of glucogenesis
D. site of metabolic reactions
E. All of the above describe the liver

A. Production of pepsiongen

9

Which of the following is NOT a water soluble vitamin?
A. Vitamin B12
B. Vitamin C
D. Niacin
D. Folic Acid
E. All of the above are water soluble

E. All of the above are water soluble

10

Which of the following vitamin deficiency will result in a condition known as beriberi?
A.Vitamin A
B. Folic acid
C. Niacin (B3)
E. Thiamin (B1)

E. Thiamin (B1)

11

Which of the following increases gastric secretions?
A. Release of bile
B. Decrease in pH at the duodenum
C. Release of gastrin
D. Activation of the symphathetic nervous system
E. more than one above is correct

C. Release of gastrin

12

Stimulation of the parasympathetic nervous system would NOT result in which of the following?
A. Glossopharyngeal nerve (IX)
B. Facial nerve(VII)
C. Vagus nerve (X)
D. All of the above are involved with the digestive process

D. All of the above are involved with the digestive process

13

The circular muscle layer carries out ___ and is found surrounding the _____
A. peristalsis; mucosa
B. peristalsis; submucosa
C. segmentation; mucosa
D. segmentation; submucosa

D. segmentation; submucosa

14

Which of the following nerves do NOT play a roll in the digestive process?
A. Glossopharyngeal nerve (IX)
B. Facial nerve(VII)
C. Vagus nerve (X)
D. All of the above are involved with the digestive process

D. All of the above are involved with the digestive process

15

The mineral matrix that covers a tooth is known as the
A. Root
B. Enamel
C. Crown
D. Dentin

B. Enamel

16

Which of the following condtion-vitamin pains is incorrect?
A. Beriberi- Thiamine (B!)
B. Osteomalacia/ rickets - vitamin A
C. Scurvy- vitmaine B12
D. Impaired blood clotting- vitamin K
E. more than one above

E. more than one above

17

Which of the following statments describes a non-essential nutrient?
A. A nutrient the body can produce
B. A nutrient that the body cannot produce
C. an nutrient that must be present in the diet
D. Both A and C
D. both B and C

A. A nutrient the body can produce

18

There are ___ non-esssential nutrients and __ essential amino acids.
A. 8,12
B. 12, 20
C. 12, 8
D. 20, 8

C. 12, 8

19

Which of the following enzymes does NOT break down carbohydrates?
A. Amylase
B. Sucrase
D. Lactase
E. All of the above breakdown carbohydrates

E. All of the above breakdown carbohydrates

20

Fatty acids are absorbed at the mucosa in which of the following forms?
A. triglycerides
B. micelles
C. glycerol
D. chylomicrons

B. micelles

21

bile is secreted due to ___ in the ______
A. an acidic pH; small intestines
B.dietary fats (lipids); stomach
C. dietary fats (lipids); small intestines
D. Dietary fats(lipids); large intestines

C. dietary fats (lipids); small intestines

22

which of the following statements is true?
A. choleocytokinin (CCK) is secreted due to acidic chyme at the small intestines
B. secretin leads to the release of bicarbonate ion
C. gastrin increases secretions from the pancreas
D. more than one above is true

B. secretin leads to the release of bicarbonate ion

23

which of the following statments does NOT describe the digestion of carbohydrates?
A. partial digestion at the stomach
B. partial digestion at the mouth
C. primary site of digestion in the small intestine
D. digestion includes the enzyme, amylase
E. more than one above is correct

A. partial digestion at the stomach

24

which of the following pairs is incorrect?
A. contains a rich supply of blood vessels- submucosa
B. contains two muscle layers- muscularis
C. composed of smooth muscle tissue for movement- mucosa
D.forms the visceral peritoneum- serosa
E. all of the above are correct

C. composed of smooth muscle tissue for movement- mucosa

25

Cholecsytokinin (CCK) is produces at the __ and causes the release of ___
A. gallbladder; bile
B. duodenum; pancreatic enzymes
C. pancreas; pancreatic enzymes
D. pancreas; bicarbonate ion
E. more than one above is correct

B. duodenum; pancreatic enzymes

26

Which of the following enzymes is NOT produces by the pancreas?
A. chymotrypsin
B. pancreatic amylase
C. gastrin
D. pancreatic lipase
E. all of the above are produced by the pancreas

C. gastrin

27

Digestion is defines as:
A. the elimination of undigestid mateial from the GI tract
B. the passage of food along the GI tract
C. the sum of all chemical reaction that occur within the body
D. the breakdown of food by chemical and mechanical means
E. none of the above

C. the sum of all chemical reaction that occur within the body

28

the hormone secretin causes the ___ to release ___
A. gallbladder; bile
B. pancreas; pancreatic enzymes
C. pancreas; bicarbonate ion
D. both A and B
E. all of the above

C. pancreas; bicarbonate ion

29

The liver recieves oxygenated blood through the __ and nutrient rich blood from the ___
A. hepatic portal vein; hepatic arteries
B. hepatic arteries; hepatic portal vein
C. hepatic arteries; central veins
D. none of the above

B. hepatic arteries; hepatic portal vein

30

Which portion of the colon arises from the cecum?
A. ascending colon
B. transverse colon
C. descending colon
D. Sigmoid colon

A. ascending colon