Question 1

According to Canadian regulations,which is an acceptable probiotic claim for a probiotic yogurt?

Accepted Answer

A) "probiotic that naturally forms part of the gut flora and improves immune function" 
B) "provides live micro-organisms that naturally form part of the gut flora" 
C) "probiotic that contributes to healthy gut flora and decreases diarrhea" 
D) "provides live micro-organisms that will relieve constipation 
A) "probiotic that naturally forms part of the gut flora and improves immune function" 
B) "provides live micro-organisms that naturally form part of the gut flora" 
C) "probiotic that contributes to healthy gut flora and decreases diarrhea" 
D) "provides live micro-organisms that will relieve constipation

Question 2

Describe the major digestive events taking place in each of the following organs:
a)Mouth
b)Stomach
c)Small Intestine
d)Large Intestine

Accepted Answer

a)Mouth - Chewing breaks food down for b

Question 3

Which of the following nutrients are absorbed into the lymphatic system before entering the blood?

Accepted Answer

A) fat 
B) water 
C) water-soluble vitamins 
D) glucose 
A) fat 
B) water 
C) water-soluble vitamins 
D) glucose

Question 4

Which of the following digestive secretions functions as a "chemical messenger"?

Accepted Answer

A) mucus 
B) enzymes 
C) chyme 
D) hormones 
A) mucus 
B) enzymes 
C) chyme 
D) hormones

Question 5

What is the active protein-digesting enzyme secreted in the gastric juice?

Accepted Answer

A) peptic ulcer. 
B) pepsinogen. 
C) pepsin. 
D) parietal cells. 
A) peptic ulcer. 
B) pepsinogen. 
C) pepsin. 
D) parietal cells.

Question 6

Describe the signals that regulate gastric secretion and motility.

Accepted Answer

The sight and smell of food and presence

Question 7

The pharynx is a cavity shared by the digestive system and which other organ system?

Accepted Answer

A) urinary 
B) respiratory 
C) endocrine 
D) immune 
A) urinary 
B) respiratory 
C) endocrine 
D) immune

Question 8

Which of the following accessory organs releases its secretions into the GI tract?

Accepted Answer

A) gallbladder 
B) pancreas 
C) salivary glands 
D) All of the above answer choices are correct. 
A) gallbladder 
B) pancreas 
C) salivary glands 
D) All of the above answer choices are correct.

Question 9

A diseased gallbladder interferes with what function?

Accepted Answer

A) fat digestion and absorption. 
B) chyme formation. 
C) the ability to chew. 
D) the ability to regulate blood glucose levels. 
A) fat digestion and absorption. 
B) chyme formation. 
C) the ability to chew. 
D) the ability to regulate blood glucose levels.

Question 10

Which is a process that occurs in the mouth?

Accepted Answer

A) the process of digestion which begins with the action of lysozyme 
B) the digestion of starch by the action of salivary pepsin. 
C) the breakdown of starch into shorter chains of glucose. 
D) the breakdown of dietary fibre through the action of salivary amylase. 
A) the process of digestion which begins with the action of lysozyme 
B) the digestion of starch by the action of salivary pepsin. 
C) the breakdown of starch into shorter chains of glucose. 
D) the breakdown of dietary fibre through the action of salivary amylase.

Question 11

What does the immune system produce in response to an allergen present in the diet or environment?

Accepted Answer

A) antigens 
B) antibodies 
C) enzymes 
D) mucus 
A) antigens 
B) antibodies 
C) enzymes 
D) mucus

Question 12

Which is correctly matched?

Accepted Answer

A) eliminates wastes: circulatory system 
B) secretes hormones: adrenal glands 
C) includes muscles and joints: skeletal system 
D) includes lymph structures: circulatory system 
A) eliminates wastes: circulatory system 
B) secretes hormones: adrenal glands 
C) includes muscles and joints: skeletal system 
D) includes lymph structures: circulatory system

Question 13

Using the figure as a guide,complete the description of the process of cellular respiration.
Why is this process referred to as "respiration?"
a)Cellular respiration uses ________ to convert glucose,fatty acids,and amino acids into ________,water,and _______,in the form of ATP.
b)In the presence of oxygen,glucose,fatty acids,and amino acids can be metabolized to produce ___________.
c)______________ is broken down by the citric acid cycle to yield carbon dioxide (CO2)and high-electrons.
d)The __________ are shuttled to the electron transport chain where their energy is used to generate ATP and they combined with oxygen and hydrogen to form water.

Accepted Answer

It requires oxygen,which enter

Question 14

What happens when the gastroesophageal sphincter contracts?

Accepted Answer

A) Food flows from the esophagus into the stomach. 
B) Food is prevented from reentering the esophagus from the stomach. 
C) Food leaves the stomach and enters the small intestine. 
D) Food is eliminated from the body through the anus. 
A) Food flows from the esophagus into the stomach. 
B) Food is prevented from reentering the esophagus from the stomach. 
C) Food leaves the stomach and enters the small intestine. 
D) Food is eliminated from the body through the anus.

Question 15

The epiglottis guides food from the pharynx to what location?

Accepted Answer

A) large intestine. 
B) small intestine. 
C) esophagus. 
D) lungs. 
A) large intestine. 
B) small intestine. 
C) esophagus. 
D) lungs.

Question 16

Hepatic portal circulation carries nutrients from the small intestine to what organ?

Accepted Answer

A) stomach. 
B) kidneys. 
C) brain. 
D) liver. 
A) stomach. 
B) kidneys. 
C) brain. 
D) liver.

Question 17

What is it called when nutrients essential to life are provided directly into the bloodstream?

Accepted Answer

A) enteral feeding. 
B) tube-feeding. 
C) total parenteral nutrition. 
D) force feeding. 
A) enteral feeding. 
B) tube-feeding. 
C) total parenteral nutrition. 
D) force feeding.

Question 18

Which of the following is included in pancreatic secretions?

Accepted Answer

A) bicarbonate ions. 
B) bile. 
C) cholecystokinin (CCK). 
D) chyme. 
A) bicarbonate ions. 
B) bile. 
C) cholecystokinin (CCK). 
D) chyme.

Question 19

The GI tract limits the absorption of toxins and disease-causing organisms.What are these invading substances?

Accepted Answer

A) antibodies. 
B) antigens. 
C) enzymes. 
D) mucus. 
A) antibodies. 
B) antigens. 
C) enzymes. 
D) mucus.

Question 20

Which statement about Helicobacter pylori is TRUE?

Accepted Answer

A) These bacteria are killed by the stomach's acid environment. 
B) Dr.B.J.Marshall developed gastric inflammation after he drank a culture of H.pylori. 
C) H.pylori causes irritable bowel syndrome. 
D) H.pylori causes ulcers if the stomach is already inflamed from stress. 
A) These bacteria are killed by the stomach's acid environment. 
B) Dr.B.J.Marshall developed gastric inflammation after he drank a culture of H.pylori. 
C) H.pylori causes irritable bowel syndrome. 
D) H.pylori causes ulcers if the stomach is already inflamed from stress.

Exam 3: Digestion, Absorption, and Metabolism

According to Canadian regulations,which is an acceptable probiotic claim for a probiotic yogurt?

Describe the major digestive events taking place in each of the following organs: a)Mouth b)Stomach c)Small Intestine d)Large Intestine

Which of the following nutrients are absorbed into the lymphatic system before entering the blood?

Which of the following digestive secretions functions as a "chemical messenger"?

What is the active protein-digesting enzyme secreted in the gastric juice?

Describe the signals that regulate gastric secretion and motility.

The pharynx is a cavity shared by the digestive system and which other organ system?

Which of the following accessory organs releases its secretions into the GI tract?

A diseased gallbladder interferes with what function?

Which is a process that occurs in the mouth?

What does the immune system produce in response to an allergen present in the diet or environment?

Which is correctly matched?

What happens when the gastroesophageal sphincter contracts?

The epiglottis guides food from the pharynx to what location?

Hepatic portal circulation carries nutrients from the small intestine to what organ?

What is it called when nutrients essential to life are provided directly into the bloodstream?

Which of the following is included in pancreatic secretions?

The GI tract limits the absorption of toxins and disease-causing organisms.What are these invading substances?

Which statement about Helicobacter pylori is TRUE?

Nutrition: Food for Health

Nutrition Guidelines: Applying the Science of Nutrition

Carbohydrates: Sugars, Starches, and Fibre

Lipids

Proteins and Amino Acids

Energy Balance and Weight Management

A: the Water-Soluble Vitamins

The Fat-Soluble Vitamins

Water and the Electrolytes

Major Minerals and Bone Health

The Trace Elements

Nutrition and Physical Activity

Nutrition During Pregnancy and Lactation

Nutrition From Infancy to Adolescence

Nutrition and Aging: the Adult Years

Food Safety

World Hunger and Malnutrition

Focus 1: Focus on Beyond the Basics

Focus 2: Focus on Alcohol

Focus 3: Focus on Obesity, Metabolism, and Disease Risk

Focus 4: Focus on Phytochemicals

Focus5:focus on Natural Health Products

Focus 6: Focus on Integrating Nutrient Function in the Body

Focus 7: Focus on Eating Disorders

Focus 8: Focus on Biotechnology

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