Question 1

The villi that line the wall of the small intestines serve to _____.

Accepted Answer

A)   increase the surface area of the small intestines
B)   increase absorption of nutrients by the small intestines
C)   slow the movement of chyme into the large intestines
D)   increase the surface area and absorption of nutrients by the small intestines
E)   increase the surface area and slow the movement of chyme into the large intestinesF) B) and D)
G) None of the above

Question 2

The small intestine is considered the major organ that digests food because __________.

Accepted Answer

A)   most nutrient absorption occurs there
B)   most of the chemical breakdown of food occurs there
C)   most of the mechanical breakdown of food occurs there
D)   most of the mechanical and chemical breakdown of food occurs there
E)   None of the answers are correct.F) C) and D)
G) A) and D)

Question 3

The chemical breakdown of food begins in the _____.

Accepted Answer

A)   stomach
B)   small intestines
C)   large intestines
D)   anus
E)   mouthF) B) and C)
G) C) and E)

Question 4

In the esophagus,peristalsis __________.

Accepted Answer

A)   mechanically breaks down food
B)   moves food from the mouth to the stomach
C)   secretes pepsin to help break down protein
D)   mixes food with acid and pepsin
E)   None of the answers are correct.F) C) and D)
G) D) and E)

Question 5

Bariatric surgery is often recommended for morbidly obese persons.Which statement regarding bariatric surgery is false?

Accepted Answer

A)   Patients can continue to eat large amounts of food after the surgery.
B)   Patients often must take vitamin and mineral supplements.
C)   Patients may suffer from other health issues as a result of bariatric surgery
D)   Patients often lose 30%-50% of their excess weight within 6 months of the surgery.E) A) and D)
F) C) and D)

Question 6

Patients who have undergone gastric bypass surgery must do all of the following EXCEPT _____.

Accepted Answer

A)   monitor micronutrient levels regularly
B)   take supplemental vitamins
C)   eat small meals
D)   eat only once daily
E)   change their eating habitsF) A) and B)
G) None of the above

Question 7

Without a gallbladder,which situation may occur?

Accepted Answer

A)   an inability to break down fats in the small intestines
B)   an inability to store bile salts
C)   an inability to break down carbohydrates in the small intestines
D)   an inability to break down fats in the small intestines and an inability to produce bile
E)   an inability to break down fats in the small intestines and an inability to store bile saltsF) B) and D)
G) None of the above

Question 8

Which part of the digestive system is incorrectly paired with its primary function?

Accepted Answer

A)   large intestine: absorbs water,salts,and vitamins
B)   small intestine: absorbs nutrients
C)   rectum: stores waste ready for elimination
D)   colon: produces enzymes to break down fats
E)   gallbladder: store bile salts produced by the liverF) A) and E)
G) B) and E)

Question 9

The stomach is an important part of the digestive system.Which function is NOT performed by the stomach?

Accepted Answer

A)   churning acid and pepsin with food to make chyme
B)   storing food
C)   producing salivary amylase
D)   passing chyme into the small intestines
E)   absorbing water and certain drugsF) C) and E)
G) B) and E)

Question 10

Someone whose gallbladder has been surgically removed will have trouble processing

Accepted Answer

A)   fats.
B)   carbohydrates.
C)   minerals.
D)   vitamins.
E)   proteins.F) C) and E)
G) D) and E)

Question 11

The duodenum receives secretions from the _____ and _____.

Accepted Answer

A)   gallbladder;liver
B)   gallbladder;pancreas
C)   pancreas;liver
D)   salivary glands;pancreas
E)   liver;salivary glandsF) C) and D)
G) A) and E)

Question 12

All of these statements are true regarding weight loss surgery EXCEPT _____.

Accepted Answer

A)   sleeve gastrectomy surgery can be reversed
B)   gastric bypass requires patients to follow a strict diet plan
C)   sleeve gastrectomy allows food to pass through the stomach and bypass the small intestines
D)   sleeve gastrectomy helps patients feel full faster
E)   a calorie-restricted diet is recommended to obese patients before weight loss surgeryF) C) and D)
G) A) and E)

Question 13

In the mouth,__________ digestion occurs.

Accepted Answer

A)   mechanical
B)   carbohydrate
C)   protein
D)   mechanical and carbohydrate
E)   mechanical and fatF) B) and C)
G) A) and E)

Question 14

Food passes through which of the following digestive organs?

Accepted Answer

A)   stomach
B)   liver
C)   pancreas
D)   All of the answers are correct.
E)   None of the answers are correct.F) A) and D)
G) B) and E)

Question 15

Which of the following is NOT part of the digestive system?

Accepted Answer

A)   stomach
B)   liver
C)   pancreas
D)   kidneys
E)   All of the answers are part of the digestive system.F) C) and D)
G) A) and C)

Question 16

The longest organ of the digestive system is the __________.

Accepted Answer

A)   esophagus
B)   stomach
C)   small intestine
D)   colon
E)   rectumF) All of the above
G) D) and E)

Question 17

Mechanical digestion of food begins in the __________ and largely ends in the __________.

Accepted Answer

A)   small intestine;large intestine
B)   esophagus;stomach
C)   mouth;stomach
D)   mouth;large intestine
E)   stomach;small intestineF) C) and D)
G) All of the above

Question 18

Which statement best explains why bypassing a portion of the small intestine can significantly increase weight loss?

Accepted Answer

A)   The small intestine is the primary organ for mechanical digestion.
B)   The small intestine is the primary organ for waste removal.
C)   The small intestine is the primary organ for nutrient absorption.
D)   The small intestine is the primary organ for food storage.
E)   The small intestine is the primary organ for water absorption.F) B) and D)
G) B) and E)

Question 19

Most nutrients from food are absorbed in the ________.

Accepted Answer

A)   esophagus
B)   stomach
C)   small intestine
D)   large intestine
E)   liverF) C) and E)
G) A) and B)

Question 20

An incomplete digestive cavity where nutrients are digested and absorbed in a sea anemone is called a _____.

Accepted Answer

A)   stomach cavity
B)   mouth
C)   gastrovascular cavity
D)   colon
E)   liverF) None of the above
G) A) and B)

Exam 27: Digestive System

Bariatric surgery is often recommended for morbidly obese persons.Which statement regarding bariatric surgery is false?

Correct AnswerverifiedShow Answer

All of these statements are true regarding weight loss surgery EXCEPT _____.

Correct AnswerverifiedShow Answer

The stomach is an important part of the digestive system.Which function is NOT performed by the stomach?

Correct AnswerverifiedShow Answer

In the mouth,__________ digestion occurs.

Correct AnswerverifiedShow Answer

Mechanical digestion of food begins in the __________ and largely ends in the __________.

Correct AnswerverifiedShow Answer

The duodenum receives secretions from the _____ and _____.

Correct AnswerverifiedShow Answer

Which of the following is NOT part of the digestive system?

Correct AnswerverifiedShow Answer

In the esophagus,peristalsis __________.

Correct AnswerverifiedShow Answer

Which part of the digestive system is incorrectly paired with its primary function?

Correct AnswerverifiedShow Answer

Without a gallbladder,which situation may occur?

Correct AnswerverifiedShow Answer

Someone whose gallbladder has been surgically removed will have trouble processing

Correct AnswerverifiedShow Answer

Most nutrients from food are absorbed in the ________.

Correct AnswerverifiedShow Answer

Food passes through which of the following digestive organs?

Correct AnswerverifiedShow Answer

The villi that line the wall of the small intestines serve to _____.

Correct AnswerverifiedShow Answer

Patients who have undergone gastric bypass surgery must do all of the following EXCEPT _____.

Correct AnswerverifiedShow Answer

The chemical breakdown of food begins in the _____.

Correct AnswerverifiedShow Answer

The longest organ of the digestive system is the __________.

Correct AnswerverifiedShow Answer

An incomplete digestive cavity where nutrients are digested and absorbed in a sea anemone is called a _____.

Correct AnswerverifiedShow Answer

Which statement best explains why bypassing a portion of the small intestine can significantly increase weight loss?

Correct AnswerverifiedShow Answer

The small intestine is considered the major organ that digests food because __________.

Correct AnswerverifiedShow Answer

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Mechanical digestion of food begins in the and largely ends in the .

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The duodenum receives secretions from the _ and _.

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