Question 1

Figure 24.1
Using Figure 24.1, match the following:
-Ten-step enzymatically driven process that converts glucose into pyruvic acid.

Accepted Answer

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

Question 2

Harry is hospitalized with bacterial pneumonia.When you visit him,his teeth are chattering,his skin is cool and clammy to the touch,and he complains of feeling cold,even though the room is quite warm.Explain his symptoms.

Accepted Answer

Harry's symptoms indicate a fever caused

Question 3

Oxidation reduction reactions ________.

Accepted Answer

A)  occur via the gain of hydrogen or the loss of oxygen 
B)  utilize hydrogenases 
C)  are rarely coupled together 
D)  may involve the loss of hydrogen and electrons 
A)  occur via the gain of hydrogen or the loss of oxygen 
B)  utilize hydrogenases 
C)  are rarely coupled together 
D)  may involve the loss of hydrogen and electrons

Question 4

In the liver,the amine group of glutamic acid is removed as ________ in the oxidative state.

Accepted Answer

A)  pyruvic acid 
B)  oxaloacetic acid 
C)  glyceraldehyde 
D)  ammonia 
A)  pyruvic acid 
B)  oxaloacetic acid 
C)  glyceraldehyde 
D)  ammonia

Question 5

After chopping wood for about 2 hours on a hot but breezy afternoon,John stumbled into the house and immediately fainted.His T-shirt was wringing wet with perspiration,and his pulse was faint and rapid.What is your tentative diagnosis? Explain your reasoning and note what you should do to help John's recovery.

Accepted Answer

John was suffering from heat exhaustion

Question 6

The preferred energy fuel for the brain is fat.

Accepted Answer

A) True 
 B)False

Question 7

Match the following:
-Conversion of fatty acids into acetyl groups.

Accepted Answer

A) beta oxidation 
B) lipolysis 
C) ketogenesis 
D) lipogenesis 
A) beta oxidation 
B) lipolysis 
C) ketogenesis 
D) lipogenesis

Question 8

Several hours after your last meal,declining blood glucose levels stimulate release of the hormone ________,which stimulates glycogenolysis,lipolysis and fat mobilization,and gluconeogenesis.

Accepted Answer

A)  glucagon 
B)  thyroxine 
C)  cortisol 
D)  insulin 
A)  glucagon 
B)  thyroxine 
C)  cortisol 
D)  insulin

Question 9

The process of breaking triglycerides down into glycerol and fatty acids is known as ________.

Accepted Answer

A)  fat utilization 
B)  lipogenesis 
C)  gluconeogenesis 
D)  lipolysis 
A)  fat utilization 
B)  lipogenesis 
C)  gluconeogenesis 
D)  lipolysis

Question 10

The term metabolism is best defined as ________.

Accepted Answer

A)  a measure of carbohydrate utilization, typically involving measurement of calories 
B)  the number of calories it takes to keep from shivering on a cold day 
C)  the sum of all biochemical reactions in the body 
D)  the length of time it takes to digest and absorb fats 
A)  a measure of carbohydrate utilization, typically involving measurement of calories 
B)  the number of calories it takes to keep from shivering on a cold day 
C)  the sum of all biochemical reactions in the body 
D)  the length of time it takes to digest and absorb fats

Question 11

Which of the following best defines negative nitrogen balance?

Accepted Answer

A)  A negative nitrogen balance is normal and is a way of maintaining homeostasis. 
B)  It is a condition usually caused by having a diet low in fish and meat. 
C)  Protein breakdown exceeds protein synthesis. 
D)  It occurs when amino acids are broken down by liver enzymes and carried to the bloodstream. 
A)  A negative nitrogen balance is normal and is a way of maintaining homeostasis. 
B)  It is a condition usually caused by having a diet low in fish and meat. 
C)  Protein breakdown exceeds protein synthesis. 
D)  It occurs when amino acids are broken down by liver enzymes and carried to the bloodstream.

Question 12

Which of the following is a source of complex carbohydrates?

Accepted Answer

A)  soda 
B)  fruit juice 
C)  potatoes 
D)  pudding 
A)  soda 
B)  fruit juice 
C)  potatoes 
D)  pudding

Question 13

In gluconeogenesis,during the postabsorptive state,amino acids and ________ are converted to glucose.

Accepted Answer

A)  glucagon 
B)  glycerol 
C)  glycogen 
D)  acetyl Co A 
A)  glucagon 
B)  glycerol 
C)  glycogen 
D)  acetyl Co A

Question 14

Oxidative deamination takes place in the ________.

Accepted Answer

A)  muscles 
B)  brain 
C)  liver 
D)  blood 
A)  muscles 
B)  brain 
C)  liver 
D)  blood

Question 15

Which of the choices below is NOT a fate of carbohydrate taken into the body?

Accepted Answer

A)  amino acid synthesis 
B)  direct conversion to a nucleic acid 
C)  lipogenesis 
D)  ATP production 
E)  glycogenesis 
A)  amino acid synthesis 
B)  direct conversion to a nucleic acid 
C)  lipogenesis 
D)  ATP production 
E)  glycogenesis

Question 16

Which of the following is NOT a function of low-density-lipoproteins (LDLs)?

Accepted Answer

A)  transport cholesterol from the peripheral tissues to the liver 
B)  make cholesterol available to tissue cells for membrane formation 
C)  make cholesterol available to tissue cells for hormone synthesis 
D)  assist in the storage of cholesterol when supply exceeds demand 
A)  transport cholesterol from the peripheral tissues to the liver 
B)  make cholesterol available to tissue cells for membrane formation 
C)  make cholesterol available to tissue cells for hormone synthesis 
D)  assist in the storage of cholesterol when supply exceeds demand

Question 17

Match the following:
-Glucose serves as the initial reactant.

Accepted Answer

A) Glycolysis 
B) Citric acid (Krebs) cycle 
C) Electron transport chain 
A) Glycolysis 
B) Citric acid (Krebs) cycle 
C) Electron transport chain

Question 18

Figure 24.1
Using Figure 24.1, match the following:
-Produces the CO2 involved during glucose oxidation.

Accepted Answer

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

Question 19

Carbohydrate and fat pools are oxidized directly to produce cellular energy,but amino acid pools must first be converted to a carbohydrate intermediate before being sent through cellular respiration pathways.

Accepted Answer

A) True 
 B)False

Question 20

The molecule that serves as the major source of readily available fuel for neurons and blood cells is ________.

Accepted Answer

A)  glucose 
B)  protein 
C)  fat 
D)  acetyl CoA 
A)  glucose 
B)  protein 
C)  fat 
D)  acetyl CoA

Exam 24: Nutrition,metabolism,and Body Temperature Regulation

Figure 24.1 Using Figure 24.1, match the following: -Ten-step enzymatically driven process that converts glucose into pyruvic acid.

Harry is hospitalized with bacterial pneumonia.When you visit him,his teeth are chattering,his skin is cool and clammy to the touch,and he complains of feeling cold,even though the room is quite warm.Explain his symptoms.

Oxidation reduction reactions ________.

In the liver,the amine group of glutamic acid is removed as ________ in the oxidative state.

The preferred energy fuel for the brain is fat.

Match the following: -Conversion of fatty acids into acetyl groups.

Several hours after your last meal,declining blood glucose levels stimulate release of the hormone ________,which stimulates glycogenolysis,lipolysis and fat mobilization,and gluconeogenesis.

The process of breaking triglycerides down into glycerol and fatty acids is known as ________.

The term metabolism is best defined as ________.

Which of the following best defines negative nitrogen balance?

Which of the following is a source of complex carbohydrates?

In gluconeogenesis,during the postabsorptive state,amino acids and ________ are converted to glucose.

Oxidative deamination takes place in the ________.

Which of the choices below is NOT a fate of carbohydrate taken into the body?

Which of the following is NOT a function of low-density-lipoproteins (LDLs)?

Match the following: -Glucose serves as the initial reactant.

Figure 24.1 Using Figure 24.1, match the following: -Produces the CO2 involved during glucose oxidation.

Carbohydrate and fat pools are oxidized directly to produce cellular energy,but amino acid pools must first be converted to a carbohydrate intermediate before being sent through cellular respiration pathways.

The molecule that serves as the major source of readily available fuel for neurons and blood cells is ________.

The Human Body: an Orientation

Chemistry Comes Alive

Cells: the Living Units

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissue

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

The Immune System: Innate and Adaptive Body Defenses

The Respiratory System

The Digestive System

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Pregnancy and Human Development

Heredity

Filters

Figure 24.1 Using Figure 24.1, match the following: -Produces the CO₂ involved during glucose oxidation.