Question 1

Excess amino acids in the body are

Accepted Answer

A) Excreted in urine 
B) Excreted in feces 
C) Converted into glucose 
D) Stored as ATP 
E) Converted into proteins 
A) Excreted in urine 
B) Excreted in feces 
C) Converted into glucose 
D) Stored as ATP 
E) Converted into proteins C

Question 2

Provitamins are

Accepted Answer

A) Building blocks of vitamins 
B) Broken down glucose molecules 
C) Derivatives of minerals 
D) Found only in the blood 
E) Not stored in the body 
A) Building blocks of vitamins 
B) Broken down glucose molecules 
C) Derivatives of minerals 
D) Found only in the blood 
E) Not stored in the body A

Question 3

Where can pyruvate dehydrogenase be found?

Accepted Answer

A) Cytosol of the cell 
B) Plasma membrane 
C) Lysozyme 
D) Mitochondria 
E) Interstitial fluid 
A) Cytosol of the cell 
B) Plasma membrane 
C) Lysozyme 
D) Mitochondria 
E) Interstitial fluid D

Question 4

Which of the following is a derivative of riboflavin?

Accepted Answer

A) NAD 
B) FAD 
C) Lactic acid 
D) Pyruvic acid 
E) ADP 
A) NAD 
B) FAD 
C) Lactic acid 
D) Pyruvic acid 
E) ADP

Question 5

What is the difference between a complete protein and an incomplete protein?

Accepted Answer

Complete proteins contain suff

Question 6

Which vitamin is essential for the absorption of calcium and phosphorus from the GI tract?

Accepted Answer

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

Question 7

Which of the following transport dietary lipids?

Accepted Answer

A) Apoproteins 
B) Low density lipoproteins 
C) Chylomicrons 
D) Very low density lipoproteins 
E) High density lipoproteins 
A) Apoproteins 
B) Low density lipoproteins 
C) Chylomicrons 
D) Very low density lipoproteins 
E) High density lipoproteins

Question 8

What are the possible fates of pyruvic acid in the body? What is the primary determinant of the fate of pyruvic acid? What is the fate of compounds to which pyruvic acid may be converted?

Accepted Answer

Pyruvic acid in the presence of low oxyg

Question 9

Which of the following is NOT a function of phosphorus in the body?

Accepted Answer

A) Formation of bones and teeth 
B) Constitute a major buffer system of blood 
C) Component of DNA and RNA 
D) Component of many enzymes 
E) Affects distribution of water through osmosis 
A) Formation of bones and teeth 
B) Constitute a major buffer system of blood 
C) Component of DNA and RNA 
D) Component of many enzymes 
E) Affects distribution of water through osmosis

Question 10

Which hormone is the primary hormone involved in protein breakdown in the postabsorptive state?

Accepted Answer

A) Glucagon. 
B) Epinephrine 
C) Cortisol 
D) Glucagon 
E) Thyroid Hormone 
A) Glucagon. 
B) Epinephrine 
C) Cortisol 
D) Glucagon 
E) Thyroid Hormone

Question 11

Which of the following is NOT a form of phosphorylation?

Accepted Answer

A) Reduction phosphorylation 
B) Substrate level phosphorylation 
C) Oxidative phosphorylation 
D) Photophosphorylation 
E) None of these choices 
A) Reduction phosphorylation 
B) Substrate level phosphorylation 
C) Oxidative phosphorylation 
D) Photophosphorylation 
E) None of these choices

Question 12

Which vitamins are considered "antioxidant vitamins?" Why is this role so important?

Accepted Answer

Vitamins C,E,and beta carotene (a provit

Question 13

Which of the following is NOT a factor that affects the metabolic rate and the rate of heat production?

Accepted Answer

A) Hormones 
B) Nervous system 
C) Food ingestion 
D) Age 
E) All of these are factors 
A) Hormones 
B) Nervous system 
C) Food ingestion 
D) Age 
E) All of these are factors

Question 14

Which of the following is a potential cause of hypothermia?

Accepted Answer

A) Overwhelming cold stress 
B) Metabolic diseases 
C) Drugs 
D) All of these 
E) None of these 
A) Overwhelming cold stress 
B) Metabolic diseases 
C) Drugs 
D) All of these 
E) None of these

Question 15

Describe the role of the hypothalamus in regulation of food intake.

Accepted Answer

The hypothalamus contains the neurons of

Question 16

Glucose-6-phosphate

Accepted Answer

A) Can be used to make ribose-5-phosphate 
B) Can be dephosphorylated to glucose 
C) Can be used to synthesize glycogen 
D) Can be converted to pyruvic acid 
E) All of these choices 
A) Can be used to make ribose-5-phosphate 
B) Can be dephosphorylated to glucose 
C) Can be used to synthesize glycogen 
D) Can be converted to pyruvic acid 
E) All of these choices

Question 17

Accumulation of a large amount of H+ between the inner and outer mitochondrial membranes,is described as

Accepted Answer

A) Proton pump 
B) Chemiosmosis 
C) Krebs cycle 
D) ATP synthesis 
E) Glycolysis 
A) Proton pump 
B) Chemiosmosis 
C) Krebs cycle 
D) ATP synthesis 
E) Glycolysis

Question 18

Where does the Krebs cycle take place?

Accepted Answer

A) Cytosol 
B) Plasma membrane 
C) Nucleus 
D) Mitochondria 
E) Golgi Apparatus 
A) Cytosol 
B) Plasma membrane 
C) Nucleus 
D) Mitochondria 
E) Golgi Apparatus

Question 19

Liver cells convert:

Accepted Answer

A) Urea into ammonia 
B) Ammonia into lactic acid 
C) Lactic acid into urea 
D) Pyruvic acid into urea 
E) Ammonia into urea 
A) Urea into ammonia 
B) Ammonia into lactic acid 
C) Lactic acid into urea 
D) Pyruvic acid into urea 
E) Ammonia into urea

Question 20

Which hormones are the main stimulating hormones in the postabsorptive state process of glycogenolysis?

Accepted Answer

A) Epinephrine 
B) Glucagon 
C) Cortisol 
D) Epinephrine and Glucagon 
E) Glucagon and Cortisol 
A) Epinephrine 
B) Glucagon 
C) Cortisol 
D) Epinephrine and Glucagon 
E) Glucagon and Cortisol

Exam 25: Metabolism

Excess amino acids in the body are

Provitamins are

Where can pyruvate dehydrogenase be found?

Which of the following is a derivative of riboflavin?

What is the difference between a complete protein and an incomplete protein?

Which vitamin is essential for the absorption of calcium and phosphorus from the GI tract?

Which of the following transport dietary lipids?

What are the possible fates of pyruvic acid in the body? What is the primary determinant of the fate of pyruvic acid? What is the fate of compounds to which pyruvic acid may be converted?

Which of the following is NOT a function of phosphorus in the body?

Which hormone is the primary hormone involved in protein breakdown in the postabsorptive state?

Which of the following is NOT a form of phosphorylation?

Which vitamins are considered "antioxidant vitamins?" Why is this role so important?

Which of the following is NOT a factor that affects the metabolic rate and the rate of heat production?

Which of the following is a potential cause of hypothermia?

Describe the role of the hypothalamus in regulation of food intake.

Glucose-6-phosphate

Accumulation of a large amount of H+ between the inner and outer mitochondrial membranes,is described as

Where does the Krebs cycle take place?

Liver cells convert:

Which hormones are the main stimulating hormones in the postabsorptive state process of glycogenolysis?

An Introduction to the Human Body

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System Unit Ii: Principles of Support and Movement

The Skeletal System: Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: the Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System Unit Iii: Control Systems of the Human Body

Nervous Tissue

The Spinal Cord and Spinal Nerves

The Brain and Cranial Nerves

The Autonomic Nervous System

Sensory, Motor and Integrative Systems

The Special Senses

The Endocrine System Unit Iv: Maintenance of the Human Body

The Cardiovascular System: the Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Hemodynamics

The Lymphatic System, Nonspecific Resistance to Disease, and Immunity

The Respiratory System

The Digestive System

The Urinary System

Fluid, Electrolyte, and Acid-Base Homeostasis Unit V: Continuity

The Reproductive Systems

Development and Inheritance

Filters

Accumulation of a large amount of H⁺ between the inner and outer mitochondrial membranes,is described as