Question 1

Which organisms are not suspension feeders?

Accepted Answer

A)  Ospreys 
B)  Baleen whales 
C)  Manta rays 
D)  Basking sharks 
E)  Clams 
A)  Ospreys 
B)  Baleen whales 
C)  Manta rays 
D)  Basking sharks 
E)  Clams

Question 2

Which statement about the hormonal control of fuel metabolism is false?

Accepted Answer

A)  During the absorptive period,the liver converts glycogen into glucose. 
B)  During the postabsorptive period,the body cells break down glycogen for metabolic fuel. 
C)  Alpha and beta cells of the Islets of Langerhans produce hormones with opposite effects. 
D)  Glucagon plays a major role during the postabsorptive period through its actions in the liver. 
E)  Cells of the pancreas release insulin during the absorptive period. 
A)  During the absorptive period,the liver converts glycogen into glucose. 
B)  During the postabsorptive period,the body cells break down glycogen for metabolic fuel. 
C)  Alpha and beta cells of the Islets of Langerhans produce hormones with opposite effects. 
D)  Glucagon plays a major role during the postabsorptive period through its actions in the liver. 
E)  Cells of the pancreas release insulin during the absorptive period.

Question 3

The acidic material coming from the stomach into the small intestine is neutralized by

Accepted Answer

A)  bicarbonate from the pancreas. 
B)  buffers from the gall bladder. 
C)  bile from the liver. 
D)  trypsin activation. 
E)  a variety of hindgut enzymes. 
A)  bicarbonate from the pancreas. 
B)  buffers from the gall bladder. 
C)  bile from the liver. 
D)  trypsin activation. 
E)  a variety of hindgut enzymes.

Question 4

The inactive form of stomach enzymes is activated by

Accepted Answer

A)  enterokinase. 
B)  ATP. 
C)  low pH. 
D)  the appropriate substrate molecule. 
E)  the presence of water. 
A)  enterokinase. 
B)  ATP. 
C)  low pH. 
D)  the appropriate substrate molecule. 
E)  the presence of water.

Question 5

Which organisms are suspension feeders?

Accepted Answer

A)  Ospreys 
B)  Algae 
C)  Bees 
D)  Crabs 
E)  Clams 
A)  Ospreys 
B)  Algae 
C)  Bees 
D)  Crabs 
E)  Clams

Question 6

The major form of stored energy in animal bodies is _______,because it _______.

Accepted Answer

A)  protein;is a long-term energy storage form 
B)  glycogen;breaks down into readily usable carbohydrates 
C)  glycogen;is lightweight 
D)  lipid;has the highest energy content per gram 
E)  lipid;is readily stored and dissolved in water 
A)  protein;is a long-term energy storage form 
B)  glycogen;breaks down into readily usable carbohydrates 
C)  glycogen;is lightweight 
D)  lipid;has the highest energy content per gram 
E)  lipid;is readily stored and dissolved in water

Question 7

The protein leptin

Accepted Answer

A)  is produced by cells of the hypothalamus. 
B)  signals the brain about the status of body fat reserves. 
C)  is found in lower-than-normal levels in most obese humans. 
D)  serves as a positive feedback signal to the brain to limit food intake. 
E)  is an environmental toxin that accumulates in body fat. 
A)  is produced by cells of the hypothalamus. 
B)  signals the brain about the status of body fat reserves. 
C)  is found in lower-than-normal levels in most obese humans. 
D)  serves as a positive feedback signal to the brain to limit food intake. 
E)  is an environmental toxin that accumulates in body fat.

Question 8

The nutritional disease beriberi results from a(n)

Accepted Answer

A)  protein deficiency. 
B)  vitamin deficiency. 
C)  calorie deficiency. 
D)  overdose of fat-soluble vitamins. 
E)  overdose of thyroxine. 
A)  protein deficiency. 
B)  vitamin deficiency. 
C)  calorie deficiency. 
D)  overdose of fat-soluble vitamins. 
E)  overdose of thyroxine.

Question 9

Which of the following is least likely to help a patient who complains of night blindness?

Accepted Answer

A)  Fruits 
B)  Vegetables 
C)  Whole grains 
D)  Dairy products 
E)  Liver 
A)  Fruits 
B)  Vegetables 
C)  Whole grains 
D)  Dairy products 
E)  Liver

Question 10

Golden rice is a genetically engineered version of rice that has been developed in order to prevent effects from various nutritional deficiencies such as night blindness,which occurs in high numbers in various developing countries.Golden rice has most likely been altered to make which nutrient that rice does normally not contain?

Accepted Answer

A)  Folic acid 
B)  Magnesium 
C)  Vitamin A 
D)  Manganese 
E)  Vitamin C 
A)  Folic acid 
B)  Magnesium 
C)  Vitamin A 
D)  Manganese 
E)  Vitamin C

Question 11

In your digestive tract,movement of food from the stomach into the esophagus is normally prevented by

Accepted Answer

A)  a sphincter. 
B)  reverse peristalsis. 
C)  the pyloric sphincter. 
D)  peristalsis. 
E)  the pharynx. 
A)  a sphincter. 
B)  reverse peristalsis. 
C)  the pyloric sphincter. 
D)  peristalsis. 
E)  the pharynx.

Question 12

What important positive contribution do gut microbes make to ruminants?

Accepted Answer

A)  Their sheer volume presses the stomach chambers against other organs,holding them in place. 
B)  They perform digestion of cellulose. 
C)  They enable ruminants to recycle oxygen. 
D)  They make vitamin E. 
E)  They make no positive contribution to the ruminants. 
A)  Their sheer volume presses the stomach chambers against other organs,holding them in place. 
B)  They perform digestion of cellulose. 
C)  They enable ruminants to recycle oxygen. 
D)  They make vitamin E. 
E)  They make no positive contribution to the ruminants.

Question 13

You have noticed that your gums bleed easily every time you brush your teeth.But you have been drinking lots of milk lately,and your usual daily meals include oatmeal,macaroni and cheese,and steak and eggs.Your bleeding gums are most likely a result of a nutritional deficiency in

Accepted Answer

A)  ascorbic acid. 
B)  calcium. 
C)  folic acid. 
D)  vitamin B12. 
E)  iron. 
A)  ascorbic acid. 
B)  calcium. 
C)  folic acid. 
D)  vitamin B12. 
E)  iron.

Question 14

Which of the following is not caused by the HCl secreted in the stomach?

Accepted Answer

A)  Activation of pepsin 
B)  Proper pH for the digestive enzyme of the stomach 
C)  Breakdown of ingested tissues 
D)  Release of bile 
E)  Death of ingested bacteria 
A)  Activation of pepsin 
B)  Proper pH for the digestive enzyme of the stomach 
C)  Breakdown of ingested tissues 
D)  Release of bile 
E)  Death of ingested bacteria

Question 15

The anti-acne medication Retin-A,also used for reduction of wrinkles,has the active ingredient all-trans retinoic acid.It can be toxic if ingested,but surprisingly it is chemically related to other forms of vitamin A you get in your diet from

Accepted Answer

A)  fruits. 
B)  vegetables. 
C)  liver. 
D)  dairy products. 
E)  All of the above 
A)  fruits. 
B)  vegetables. 
C)  liver. 
D)  dairy products. 
E)  All of the above

Question 16

A clownfish and a sea anemone are mutualistic,meaning that their close,long-term interactions are a benefit to both of them.Therefore "mutualism" describes a type of _______ interaction.

Accepted Answer

The answer of A clownfish and a sea anemone are...

Question 17

Most absorption of nutrients in the vertebrate digestive tract takes place in the

Accepted Answer

A)  stomach. 
B)  small intestine (midgut). 
C)  large intestine (hindgut). 
D)  liver. 
E)  pancreas. 
A)  stomach. 
B)  small intestine (midgut). 
C)  large intestine (hindgut). 
D)  liver. 
E)  pancreas.

Question 18

Which statement about movement of food in the vertebrate gut is false?

Accepted Answer

A)  Three sphincters are found in the vertebrate gut. 
B)  Peristalsis can move food in both directions. 
C)  The gut contains both longitudinal and circular muscles. 
D)  The primary function of peristalsis is mixing food in the stomach. 
E)  The muscle in a sphincter is normally contracted. 
A)  Three sphincters are found in the vertebrate gut. 
B)  Peristalsis can move food in both directions. 
C)  The gut contains both longitudinal and circular muscles. 
D)  The primary function of peristalsis is mixing food in the stomach. 
E)  The muscle in a sphincter is normally contracted.

Question 19

The first hormone ever discovered was

Accepted Answer

A)  testosterone. 
B)  gastrin. 
C)  secretin. 
D)  gluconeogenase. 
E)  glucagon. 
A)  testosterone. 
B)  gastrin. 
C)  secretin. 
D)  gluconeogenase. 
E)  glucagon.

Question 20

Which statement about digestion in the midgut (small intestine)of vertebrates is false?

Accepted Answer

A)  Most digestion of the proteins,carbohydrates,and lipids occurs in the small intestine. 
B)  Lipids in the small intestine are emulsified by bile that is produced by the liver and stored in the gallbladder. 
C)  It relies on aerobic conditions,with O2 levels roughly as high as those in the blood. 
D)  The pancreas secretes bicarbonate ions into the small intestine. 
E)  It precedes the actions of the colon. 
A)  Most digestion of the proteins,carbohydrates,and lipids occurs in the small intestine. 
B)  Lipids in the small intestine are emulsified by bile that is produced by the liver and stored in the gallbladder. 
C)  It relies on aerobic conditions,with O2 levels roughly as high as those in the blood. 
D)  The pancreas secretes bicarbonate ions into the small intestine. 
E)  It precedes the actions of the colon.

Exam 30: Nutrition and Digestion

Which organisms are not suspension feeders?

Which statement about the hormonal control of fuel metabolism is false?

The acidic material coming from the stomach into the small intestine is neutralized by

The inactive form of stomach enzymes is activated by

Which organisms are suspension feeders?

The major form of stored energy in animal bodies is _______,because it _______.

The protein leptin

The nutritional disease beriberi results from a(n)

Which of the following is least likely to help a patient who complains of night blindness?

In your digestive tract,movement of food from the stomach into the esophagus is normally prevented by

What important positive contribution do gut microbes make to ruminants?

You have noticed that your gums bleed easily every time you brush your teeth.But you have been drinking lots of milk lately,and your usual daily meals include oatmeal,macaroni and cheese,and steak and eggs.Your bleeding gums are most likely a result of a nutritional deficiency in

Which of the following is not caused by the HCl secreted in the stomach?

The anti-acne medication Retin-A,also used for reduction of wrinkles,has the active ingredient all-trans retinoic acid.It can be toxic if ingested,but surprisingly it is chemically related to other forms of vitamin A you get in your diet from

A clownfish and a sea anemone are mutualistic,meaning that their close,long-term interactions are a benefit to both of them.Therefore "mutualism" describes a type of _______ interaction.

Most absorption of nutrients in the vertebrate digestive tract takes place in the

Which statement about movement of food in the vertebrate gut is false?

The first hormone ever discovered was

Which statement about digestion in the midgut (small intestine)of vertebrates is false?

Introduction

The Chemistry and Energy of Life

Nucleic Acids, Proteins, and Enzymes

Cells: the Working Units of Life

Cell Membranes and Signaling

Pathways That Harvest and Store Chemical Energy

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

DNA and Its Role in Heredity

From Dna to Protein: Gene Expression

Regulation of Gene Expression

Genomes

Biotechnology

Genes, Development, and Evolution

Processes of Evolution

Reconstructing and Using Phylogenies

Speciation

The History of Life on Earth

Bacteria, Archaea, and Viruses

The Origin and Diversification of Eukaryotes

The Evolution of Plants

The Evolution and Diversity of Fungi

Animal Origins and Diversity

The Plant Body

Plant Nutrition and Transport

Plant Growth and Development

Reproduction of Flowering Plants

Plants in the Environment

Fundamentals of Animal Function

Breathing

Circulation

Muscle and Movement

Neurons, Sense Organs, and Nervous Systems

Nervous and Endocrine Control

Water and Salts: Excretion

Animal Reproduction

Animal Development

Immunology: Animal Defense Systems

Animal Behavior

The Distribution of Earths Ecological Systems

Populations

Ecological and Evolutionary Consequences of Interactions Within and Among Species

Ecological Communities

The Global Ecosystem

Filters

The major form of stored energy in animal bodies is _,because it _.