Question 1

List and explain factors that can influence BMR.

Accepted Answer

Basal Metabolic Rate (BMR) is the amount

Question 2

Briefly explain the citric acid cycle.What is the starting material and what are the end products? In what form is most of the energy produced?

Accepted Answer

The citric acid cycle, also known as the

Question 3

Which of the following minerals is important in bone formation,blood clotting,and nerve function?

Accepted Answer

A)  Phosphorus 
B)  Iron 
C)  Calcium 
D)  Cobalt 
A)  Phosphorus 
B)  Iron 
C)  Calcium 
D)  Cobalt

Question 4

Which of the following statements is not true?

Accepted Answer

A)  Glycolysis occurs in the cytoplasm of all human cells. 
B)  Glycolysis requires the use of oxygen. 
C)  Glycolysis breaks the chemical bonds in glucose molecules and thereby releases about 5% of the energy stored in them. 
D)  Glycolysis is an essential process because it prepares glucose for the second step in catabolism, namely, the citric acid cycle. 
A)  Glycolysis occurs in the cytoplasm of all human cells. 
B)  Glycolysis requires the use of oxygen. 
C)  Glycolysis breaks the chemical bonds in glucose molecules and thereby releases about 5% of the energy stored in them. 
D)  Glycolysis is an essential process because it prepares glucose for the second step in catabolism, namely, the citric acid cycle.

Question 5

Which of the following is a characteristic of an unsaturated fat?

Accepted Answer

A)  It is a solid at room temperature. 
B)  It contains all the hydrogen it can hold. 
C)  It has at least one double bond. 
D)  None of the above are characteristics of an unsaturated fat. 
A)  It is a solid at room temperature. 
B)  It contains all the hydrogen it can hold. 
C)  It has at least one double bond. 
D)  None of the above are characteristics of an unsaturated fat.

Question 6

Catabolism of fatty acids,without any other food product availability,causes the production of:

Accepted Answer

A)  glucose. 
B)  ketone bodies. 
C)  cholesterol. 
D)  ADP. 
A)  glucose. 
B)  ketone bodies. 
C)  cholesterol. 
D)  ADP.

Question 7

Which statement best explains how orexigenic factors affect appetite?

Accepted Answer

A)  Orexigenic factors are hormones, neurotransmitters, and other factors that affect feeding centers in the hypothalamus that decrease appetite. 
B)  Orexigenic factors are hormones, neurotransmitters, and other factors that affect feeding centers in the hypothalamus that stimulate appetite. 
C)  Orexigenic factors are neurons in the ventral medial nucleus of the hypothalamus that function as a satiety center-meaning that impulses from these neurons decrease appetite so that we feel sated, or satisfied. 
D)  Orexigenic factors are neurons in the ventral medial nucleus of the hypothalamus that function as a satiety center-meaning that impulses from these neurons increase appetite. 
A)  Orexigenic factors are hormones, neurotransmitters, and other factors that affect feeding centers in the hypothalamus that decrease appetite. 
B)  Orexigenic factors are hormones, neurotransmitters, and other factors that affect feeding centers in the hypothalamus that stimulate appetite. 
C)  Orexigenic factors are neurons in the ventral medial nucleus of the hypothalamus that function as a satiety center-meaning that impulses from these neurons decrease appetite so that we feel sated, or satisfied. 
D)  Orexigenic factors are neurons in the ventral medial nucleus of the hypothalamus that function as a satiety center-meaning that impulses from these neurons increase appetite.

Question 8

Glucagon increases the activity of:

Accepted Answer

A)  phosphorylase. 
B)  phosphatase. 
C)  amylase. 
D)  glucokinase. 
A)  phosphorylase. 
B)  phosphatase. 
C)  amylase. 
D)  glucokinase.

Question 9

Deamination,the splitting off of an amino group from an amino acid molecule to form a molecule of ammonia and one of keto acid,is the first step in protein:

Accepted Answer

A)  catabolism. 
B)  anabolism. 
C)  metabolism. 
A)  catabolism. 
B)  anabolism. 
C)  metabolism.

Question 10

An increased blood sugar level stimulates which of the following to occur?

Accepted Answer

A)  Glycogenolysis 
B)  Glycogenesis 
C)  Gluconeogenesis 
D)  Glycolysis 
A)  Glycogenolysis 
B)  Glycogenesis 
C)  Gluconeogenesis 
D)  Glycolysis

Question 11

What process has pyruvic acid and two gained ATPs as end products?

Accepted Answer

A)  Krebs cycle 
B)  Anaerobic pathway 
C)  Glycolysis 
D)  Electron transport chain 
A)  Krebs cycle 
B)  Anaerobic pathway 
C)  Glycolysis 
D)  Electron transport chain

Question 12

All of the following are a result of lipid anabolism except:

Accepted Answer

A)  cholesterol. 
B)  ketone bodies. 
C)  triglycerides. 
D)  prostaglandins. 
A)  cholesterol. 
B)  ketone bodies. 
C)  triglycerides. 
D)  prostaglandins.

Question 13

Most of the illegal anabolic steroids used by athletes contain some form of testosterone.Why are these steroids so effective in building muscle mass?

Accepted Answer

Anabolic steroids, including those that

Question 14

The enzyme that catalyzes glucose phosphorylation is:

Accepted Answer

A)  phosphorylase. 
B)  phosphatase. 
C)  amylase. 
D)  glucokinase. 
A)  phosphorylase. 
B)  phosphatase. 
C)  amylase. 
D)  glucokinase.

Question 15

Which of the following carbohydrates cannot be absorbed directly into the cells?

Accepted Answer

A)  Cellulose 
B)  Polysaccharides 
C)  Disaccharides 
D)  None of the above carbohydrates can be absorbed directly into the cells. 
A)  Cellulose 
B)  Polysaccharides 
C)  Disaccharides 
D)  None of the above carbohydrates can be absorbed directly into the cells.

Exam 30: B: Nutrition and Metabolism

List and explain factors that can influence BMR.

Briefly explain the citric acid cycle.What is the starting material and what are the end products? In what form is most of the energy produced?

Which of the following minerals is important in bone formation,blood clotting,and nerve function?

Which of the following statements is not true?

Which of the following is a characteristic of an unsaturated fat?

Catabolism of fatty acids,without any other food product availability,causes the production of:

Which statement best explains how orexigenic factors affect appetite?

Glucagon increases the activity of:

Deamination,the splitting off of an amino group from an amino acid molecule to form a molecule of ammonia and one of keto acid,is the first step in protein:

An increased blood sugar level stimulates which of the following to occur?

What process has pyruvic acid and two gained ATPs as end products?

All of the following are a result of lipid anabolism except:

Most of the illegal anabolic steroids used by athletes contain some form of testosterone.Why are these steroids so effective in building muscle mass?

The enzyme that catalyzes glucose phosphorylation is:

Which of the following carbohydrates cannot be absorbed directly into the cells?

A: Organization of the Body

B: Organization of the Body

A: The Chemical Basis of Life

B: The Chemical Basis of Life

A: Anatomy of Cells

B: Anatomy of Cells

Physiology of Cells

Cell Growth and Reproduction

Tissues

A: Skin and Its Appendages

B: Skin and Its Appendages

A: Skeletal Tissues

B: Skeletal Tissues

Skeletal System

A: Articulations

B: Articulations

A: Anatomy of the Muscular System

B: Anatomy of the Muscular System

A: Physiology of the Muscular System

B: Physiology of the Muscular System

A: Nervous System Cells

B: Nervous System Cells

A: Central Nervous System

B: Central Nervous System

Peripheral Nervous System

Autonomic Nervous System

A: Sense Organs

B: Sense Organs

Endocrine System

Endocrine Glands

Blood

Anatomy of the Cardiovascular System

A: Physiology of the Cardiovascular System

B: Physiology of the Cardiovascular System

Lymphatic System

A: Immune System

B: Immune System

Stress

Anatomy of the Respiratory System

A: Physiology of the Respiratory System

B: Physiology of the Respiratory System

A: Anatomy of the Digestive System

B: Anatomy of the Digestive System

A: Physiology of the Digestive System

B: Physiology of the Digestive System

A: Nutrition and Metabolism

A: Urinary System

B: Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

Male Reproductive System

A: Female Reproductive System

B: Female Reproductive System

A: Growth and Development

B: Growth and Development

A: Genetics and Heredity

B: Genetics and Heredity

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