Question 1

During digestion of a meal,how many times does the pyloric sphincter open in 10 minutes time?

Accepted Answer

A) 1 
B) 5 
C) 10 
D) 20 
A) 1 
B) 5 
C) 10 
D) 20

Question 2

A solution with a pH of 7 is how many times more alkaline than one with a pH of 6?

Accepted Answer

A) 1 
B) 5 
C) 10 
D) 100 
A) 1 
B) 5 
C) 10 
D) 100

Question 3

Which of the following nutrients requires the least amount of digestion?

Accepted Answer

A) Starch 
B) Calcium 
C) Animal fats 
D) Animal proteins 
A) Starch 
B) Calcium 
C) Animal fats 
D) Animal proteins

Question 4

Which of the following is NOT a function of hydrochloric acid in digestion/absorption?

Accepted Answer

A) It kills bacteria 
B) It activates pancreatic lipase 
C) It activates a proteolytic enzyme 
D) It promotes hydrolysis of dietary protein 
A) It kills bacteria 
B) It activates pancreatic lipase 
C) It activates a proteolytic enzyme 
D) It promotes hydrolysis of dietary protein

Question 5

How many sphincters does the anus contain?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 6

All of the following dietary measures are known to help relieve constipation EXCEPT

Accepted Answer

A) eating fiber. 
B) eating prunes. 
C) eating less fat. 
D) drinking more water. 
A) eating fiber. 
B) eating prunes. 
C) eating less fat. 
D) drinking more water.

Question 7

Which of the following is NOT produced from colonic fermentation of certain fibers?

Accepted Answer

A) Gas 
B) Water 
C) Secretin 
D) Small fat fragments 
A) Gas 
B) Water 
C) Secretin 
D) Small fat fragments

Question 8

Which of the following is NOT an effective therapy for constipation?

Accepted Answer

A) Increasing water intake 
B) Decreasing fiber intake 
C) Increasing physical activity 
D) Responding promptly to the defecation signal 
A) Increasing water intake 
B) Decreasing fiber intake 
C) Increasing physical activity 
D) Responding promptly to the defecation signal

Question 9

What is the function of mucus in the stomach?

Accepted Answer

A) Emulsifies fats 
B) Neutralizes stomach acid 
C) Activates pepsinogen to pepsin 
D) Protects stomach cells from gastric juices 
A) Emulsifies fats 
B) Neutralizes stomach acid 
C) Activates pepsinogen to pepsin 
D) Protects stomach cells from gastric juices

Question 10

What is the primary site for absorption of nutrients?

Accepted Answer

A) Crypt 
B) Villus 
C) Microvillus 
D) Macrovillus 
A) Crypt 
B) Villus 
C) Microvillus 
D) Macrovillus

Question 11

Which of the following is NOT a major cause of ulcer formation?

Accepted Answer

A) Bacterial infection 
B) Excessive use of antacids 
C) Excessive gastric acid secretion 
D) Use of certain anti-inflammatory medicines 
A) Bacterial infection 
B) Excessive use of antacids 
C) Excessive gastric acid secretion 
D) Use of certain anti-inflammatory medicines

Question 12

What is the most metabolically active organ?

Accepted Answer

A) Liver 
B) Spleen 
C) Stomach 
D) Pancreas 
A) Liver 
B) Spleen 
C) Stomach 
D) Pancreas

Question 13

During the process of digestion,at what point does the stomach begin to release chyme?

Accepted Answer

A) When the fluid to solid ratio is 3 to 1 
B) When the chyme is liquefied 
C) Within 15 minutes of gastrin release 
D) Within 5 to 10 minutes of starting a meal 
A) When the fluid to solid ratio is 3 to 1 
B) When the chyme is liquefied 
C) Within 15 minutes of gastrin release 
D) Within 5 to 10 minutes of starting a meal

Question 14

Immediately after absorption,what circulatory system carries the fat-soluble vitamins and large fats?

Accepted Answer

A) Vascular 
B) Mesenteric 
C) Lymphatic 
D) Enterohepatic 
A) Vascular 
B) Mesenteric 
C) Lymphatic 
D) Enterohepatic

Question 15

What part of the GI tract prevents a person from choking while swallowing?

Accepted Answer

A) Mouth 
B) Epiglottis 
C) Pyloric sphincter 
D) Upper esophageal sphincter 
A) Mouth 
B) Epiglottis 
C) Pyloric sphincter 
D) Upper esophageal sphincter

Question 16

The living bacteria found in yogurt are known as

Accepted Answer

A) probiotics. 
B) prebiotics. 
C) postbiotics. 
D) zymobiotics. 
A) probiotics. 
B) prebiotics. 
C) postbiotics. 
D) zymobiotics.

Question 17

Which of the following describes the anatomy of the gastrointestinal tract?

Accepted Answer

A) A vat-like vessel 
B) A rigid,solid tunnel 
C) A flexible muscular tube 
D) A firm,duct-like channel 
A) A vat-like vessel 
B) A rigid,solid tunnel 
C) A flexible muscular tube 
D) A firm,duct-like channel

Question 18

What is intestinal ischemia?

Accepted Answer

A) Reduced blood flow to the intestines 
B) Chronic episodes of reverse peristalsis 
C) Construction of intestinal lymph supply 
D) Inflammation of two or more sphincter muscles 
A) Reduced blood flow to the intestines 
B) Chronic episodes of reverse peristalsis 
C) Construction of intestinal lymph supply 
D) Inflammation of two or more sphincter muscles

Question 19

What vessel carries blood from the liver to the heart?

Accepted Answer

A) Aorta 
B) Hepatic vein 
C) Thoracic duct 
D) Hepatic portal vein 
A) Aorta 
B) Hepatic vein 
C) Thoracic duct 
D) Hepatic portal vein

Question 20

When alcohol and barbiturates are ingested,they are absorbed from the gastrointestinal tract and transported first to the

Accepted Answer

A) liver. 
B) heart. 
C) spleen. 
D) kidneys. 
A) liver. 
B) heart. 
C) spleen. 
D) kidneys.

During digestion of a meal,how many times does the pyloric sphincter open in 10 minutes time?

A solution with a pH of 7 is how many times more alkaline than one with a pH of 6?

Which of the following nutrients requires the least amount of digestion?

Which of the following is NOT a function of hydrochloric acid in digestion/absorption?

How many sphincters does the anus contain?

All of the following dietary measures are known to help relieve constipation EXCEPT

Which of the following is NOT produced from colonic fermentation of certain fibers?

Which of the following is NOT an effective therapy for constipation?

What is the function of mucus in the stomach?

What is the primary site for absorption of nutrients?

Which of the following is NOT a major cause of ulcer formation?

What is the most metabolically active organ?

During the process of digestion,at what point does the stomach begin to release chyme?

Immediately after absorption,what circulatory system carries the fat-soluble vitamins and large fats?

What part of the GI tract prevents a person from choking while swallowing?

The living bacteria found in yogurt are known as

Which of the following describes the anatomy of the gastrointestinal tract?

What is intestinal ischemia?

What vessel carries blood from the liver to the heart?

When alcohol and barbiturates are ingested,they are absorbed from the gastrointestinal tract and transported first to the

An Overview of Nutrition

Planning a Healthy Diet

The Carbohydrates: Sugars, starches, and Fibers

The Lipids: Triglycerides, phospholipids, and Sterols

Protein: Amino Acids

Energy Metabolism

Energy Balance and Body Composition

Weight Management: Overweight, obesity, and Underweight

The Water-Soluble Vitamins: B Vitamins and Vitamin C

The Fat-Soluble Vitamins: A, d, e, and K

Water and the Major Minerals

The Trace Minerals

Fitness: Physical Activity, nutrients, and Body Adaptations

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Diet and Health

Consumer Concerns About Foods and Water

Hunger and the Global Environment

Filters

Exam 3: Digestion, absorption, and Transport

During digestion of a meal,how many times does the pyloric sphincter open in 10 minutes time?

A solution with a pH of 7 is how many times more alkaline than one with a pH of 6?

Which of the following nutrients requires the least amount of digestion?

Which of the following is NOT a function of hydrochloric acid in digestion/absorption?

How many sphincters does the anus contain?

All of the following dietary measures are known to help relieve constipation EXCEPT

Which of the following is NOT produced from colonic fermentation of certain fibers?

Which of the following is NOT an effective therapy for constipation?

What is the function of mucus in the stomach?

What is the primary site for absorption of nutrients?

Which of the following is NOT a major cause of ulcer formation?

What is the most metabolically active organ?

During the process of digestion,at what point does the stomach begin to release chyme?

Immediately after absorption,what circulatory system carries the fat-soluble vitamins and large fats?

What part of the GI tract prevents a person from choking while swallowing?

The living bacteria found in yogurt are known as

Which of the following describes the anatomy of the gastrointestinal tract?

What is intestinal ischemia?

What vessel carries blood from the liver to the heart?

When alcohol and barbiturates are ingested,they are absorbed from the gastrointestinal tract and transported first to the

An Overview of Nutrition

Planning a Healthy Diet

The Carbohydrates: Sugars, starches, and Fibers

The Lipids: Triglycerides, phospholipids, and Sterols

Protein: Amino Acids

Energy Metabolism

Energy Balance and Body Composition

Weight Management: Overweight, obesity, and Underweight

The Water-Soluble Vitamins: B Vitamins and Vitamin C

The Fat-Soluble Vitamins: A, d, e, and K

Water and the Major Minerals

The Trace Minerals

Fitness: Physical Activity, nutrients, and Body Adaptations

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Diet and Health

Consumer Concerns About Foods and Water

Hunger and the Global Environment

Filters