Question 1

Salivary amylase begins the digestion of which nutrient in the mouth?

Accepted Answer

A) starch 
B) proteins 
C) lipids 
D) amino acids 
E) nucleic acids 
A) starch 
B) proteins 
C) lipids 
D) amino acids 
E) nucleic acids

Question 2

High stomach acidity ____.

Accepted Answer

A) creates ideal conditions for carbohydrate digestion 
B) promotes emulsification of fats 
C) favors fat digestion 
D) blocks the release of histamine, thereby favoring production of peptic ulcers 
E) activates pepsin 
A) creates ideal conditions for carbohydrate digestion 
B) promotes emulsification of fats 
C) favors fat digestion 
D) blocks the release of histamine, thereby favoring production of peptic ulcers 
E) activates pepsin

Question 3

What protein causes an autoimmune reaction in people with celiac disease?

Accepted Answer

A) wheat 
B) gluten 
C) fiber 
D) bran 
E) oleic acid 
A) wheat 
B) gluten 
C) fiber 
D) bran 
E) oleic acid

Question 4

Which vitamin functions in blood clot formation?

Accepted Answer

A) A 
B) E 
C) K 
D) B 
E) D 
A) A 
B) E 
C) K 
D) B 
E) D

Question 5

What is basal metabolic rate?

Accepted Answer

A) The rate at which the body uses energy when exercising. 
B) A measurement designed to assess increased health risk associated with weight. 
C) The amount of calories consumed in one day. 
D) The rate at which the body uses energy when at rest. 
E) The rate at which energy is stored within the body. 
A) The rate at which the body uses energy when exercising. 
B) A measurement designed to assess increased health risk associated with weight. 
C) The amount of calories consumed in one day. 
D) The rate at which the body uses energy when at rest. 
E) The rate at which energy is stored within the body.

Question 6

A deficiency of vitamin ____ may give rise to scurvy, a disorder in which skin and bones deteriorate and wounds are slow to heal.

Accepted Answer

A) A 
B) B 
C) C 
D) E 
E) K 
A) A 
B) B 
C) C 
D) E 
E) K

Question 7

Wavelike movements that propel food through the digestive system are called ____.

Accepted Answer

A) peristalsis 
B) contractions 
C) muscle propulsion 
D) cilia beating 
E) microvilli and villi motion 
A) peristalsis 
B) contractions 
C) muscle propulsion 
D) cilia beating 
E) microvilli and villi motion

Question 8

What is the component of heme whose absence can lead to anemia?

Accepted Answer

A) iron 
B) iodine 
C) calcium 
D) zinc 
E) magnesium 
A) iron 
B) iodine 
C) calcium 
D) zinc 
E) magnesium

Question 9

Rodents and some other mammals routinely chew on rough material that wears down their teeth, so they have teeth that ____.

Accepted Answer

A) are flat and wide 
B) grow continuously 
C) have a thick layer of enamel 
D) are long and sharp 
E) are present in higher numbers than other types of mammals 
A) are flat and wide 
B) grow continuously 
C) have a thick layer of enamel 
D) are long and sharp 
E) are present in higher numbers than other types of mammals

Question 10

Brush border cells have ____.

Accepted Answer

A) villi 
B) acidic secretions 
C) microvilli 
D) bile secretions 
E) smooth muscle 
A) villi 
B) acidic secretions 
C) microvilli 
D) bile secretions 
E) smooth muscle

Question 11

Which carbohydrate-digesting enzyme works in the small intestine?

Accepted Answer

A) bicarbonate 
B) bile 
C) salivary amylase 
D) pepsin 
E) pancreatic amylase 
A) bicarbonate 
B) bile 
C) salivary amylase 
D) pepsin 
E) pancreatic amylase

Question 12

Birds have a crop that is modified for ____.

Accepted Answer

A) digestion of cellulose 
B) food storage 
C) mechanical breakdown of food 
D) digestion of fats 
E) storage and elimination of undigested food 
A) digestion of cellulose 
B) food storage 
C) mechanical breakdown of food 
D) digestion of fats 
E) storage and elimination of undigested food

Question 13

Which organ does not play a role in mechanical or chemical digestion?

Accepted Answer

A) stomach 
B) liver 
C) colon 
D) pancreas 
E) gallbladder 
A) stomach 
B) liver 
C) colon 
D) pancreas 
E) gallbladder

Question 14

​Digestive systems mechanically and chemically degrade food into small molecules that can be ____ into the internal environment.

Accepted Answer

A) ​absorbed 
B) ​excreted 
C) ​denatured 
D) ​emulsified 
E) ​ingested 
A) ​absorbed 
B) ​excreted 
C) ​denatured 
D) ​emulsified 
E) ​ingested

Question 15

Excessive salt intake can lead to ____.

Accepted Answer

A) poor absorption of amino acids 
B) loss of vitamins in food sources 
C) high blood pressure 
D) excess calorie intake 
E) high cholesterol levels 
A) poor absorption of amino acids 
B) loss of vitamins in food sources 
C) high blood pressure 
D) excess calorie intake 
E) high cholesterol levels

Question 16

Which condition stimulates the gallbladder to contract?

Accepted Answer

A) a starchy meal 
B) a fatty meal 
C) a sugar-laden meal 
D) a protein-laden meal 
E) acidic chyme 
A) a starchy meal 
B) a fatty meal 
C) a sugar-laden meal 
D) a protein-laden meal 
E) acidic chyme

Question 17

Four of the five answers listed below are end-products of digestion ready for intestinal absorption. Select the exception.

Accepted Answer

A) monoglycerides 
B) monosaccharides 
C) disaccharides 
D) amino acids 
E) fatty acids 
A) monoglycerides 
B) monosaccharides 
C) disaccharides 
D) amino acids 
E) fatty acids

Exam 36: Digestion and Human Nutrition

Salivary amylase begins the digestion of which nutrient in the mouth?

High stomach acidity ____.

What protein causes an autoimmune reaction in people with celiac disease?

Which vitamin functions in blood clot formation?

What is basal metabolic rate?

A deficiency of vitamin ____ may give rise to scurvy, a disorder in which skin and bones deteriorate and wounds are slow to heal.

Wavelike movements that propel food through the digestive system are called ____.

What is the component of heme whose absence can lead to anemia?

Rodents and some other mammals routinely chew on rough material that wears down their teeth, so they have teeth that ____.

Brush border cells have ____.

Which carbohydrate-digesting enzyme works in the small intestine?

Birds have a crop that is modified for ____.

Which organ does not play a role in mechanical or chemical digestion?

​Digestive systems mechanically and chemically degrade food into small molecules that can be ____ into the internal environment.

Excessive salt intake can lead to ____.

Which condition stimulates the gallbladder to contract?

Four of the five answers listed below are end-products of digestion ready for intestinal absorption. Select the exception.

The Science of Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where It Starts-Photosynthesis

Releasing Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Patterns in Inherited Traits

Human Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Lifes Origin and Early Evolution

Viruses, Bacteria, and Archaea

The Protists

Plant Evolution

Fungi

Animals I: Major Invertebrate Groups

Animals Ii: the Chordates

Plant Tissues

Plant Nutrition and Transport

Plant Reproduction and Development

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Maintaining the Internal Environment

Reproduction and Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Effects on the Biosphere

Filters

Digestive systems mechanically and chemically degrade food into small molecules that can be ____ into the internal environment.