Question 1

Glycolysis is the conversion of ____. ​

Accepted Answer

A) glycogen to fat 
B) glycogen to protein 
C) glucose to pyruvate 
D) glucose to glycogen 
A) glycogen to fat 
B) glycogen to protein 
C) glucose to pyruvate 
D) glucose to glycogen

Question 2

In a triglyceride that contains 54 carbon atoms, how many carbons can become part of glucose? ​

Accepted Answer

A) ​3 
B) ​9 
C) ​54 
D) ​108 
A) ​3 
B) ​9 
C) ​54 
D) ​108

Question 3

What is a characteristic of the metabolism of specific macronutrients?

Accepted Answer

A) The rate of fat oxidation does not change when fat is eaten in excess. 
B) The rate of protein oxidation does not change when protein is eaten in excess. 
C) The rate of glucose oxidation does not change when carbohydrate is eaten in excess. 
D) The conversion of dietary glucose to fat is the major pathway of carbohydrate utilization. 
A) The rate of fat oxidation does not change when fat is eaten in excess. 
B) The rate of protein oxidation does not change when protein is eaten in excess. 
C) The rate of glucose oxidation does not change when carbohydrate is eaten in excess. 
D) The conversion of dietary glucose to fat is the major pathway of carbohydrate utilization.

Question 4

An aerobic reaction is one that requires ____. ​

Accepted Answer

A) alcohol 
B) oxygen 
C) nitrogen 
D) ammonia 
A) alcohol 
B) oxygen 
C) nitrogen 
D) ammonia

Question 5

Which organ is the most metabolically active? ​

Accepted Answer

A) liver 
B) brain 
C) kidney 
D) small intestines 
A) liver 
B) brain 
C) kidney 
D) small intestines

Question 6

Match between columns
                        Premises: the molecule that all energy yielding nutrients can be broken down into

Accepted Answer

The Answer of Cori cycle and oxaloacetate and lactate and is...

Question 7

How does excess carbohydrate intake contribute to obesity? ​

Accepted Answer

A) It is efficiently converted to storage fat. 
B) It spares oxidation of body fat and dietary fat. 
C) It stimulates glucagon release, resulting in inhibition of fatty acid oxidation. 
D) It stimulates pancreatic lipase secretion, which results in higher dietary fat absorption. 
A) It is efficiently converted to storage fat. 
B) It spares oxidation of body fat and dietary fat. 
C) It stimulates glucagon release, resulting in inhibition of fatty acid oxidation. 
D) It stimulates pancreatic lipase secretion, which results in higher dietary fat absorption.

Question 8

What is acetaldehyde? ​

Accepted Answer

A) an intermediate in fatty acid synthesis 
B) an intermediate in alcohol metabolism 
C) the first product of fatty acid catabolism 
D) the TCA compound that combines with acetyl CoA 
A) an intermediate in fatty acid synthesis 
B) an intermediate in alcohol metabolism 
C) the first product of fatty acid catabolism 
D) the TCA compound that combines with acetyl CoA

Question 9

Match between columns
                        Premises: specific process in metabolism in which carbon dioxide is formed during metabolism

Accepted Answer

The Answer of pyruvate and TCA and Cori cycle and is...

Question 10

What is a coenzyme? ​

Accepted Answer

A) a unit consisting of an enzyme bound to reactants plus ATP 
B) an organic molecule required for the functioning of an enzyme 
C) the small, active part of an enzyme that binds to the organic reactants 
D) an inactive enzyme that becomes functional upon contact with specific cofactors 
A) a unit consisting of an enzyme bound to reactants plus ATP 
B) an organic molecule required for the functioning of an enzyme 
C) the small, active part of an enzyme that binds to the organic reactants 
D) an inactive enzyme that becomes functional upon contact with specific cofactors

Question 11

Your roommate Demetrius is participating in a weightlifting program and complains of a burning pain during workouts. You explain to Demetrius that the rapid breakdown of glucose in his muscles produces large amounts of pyruvate, which leads to a fall in pH within the muscle and that the muscle responds by converting excess pyruvate to ____. ​

Accepted Answer

A) lactate 
B) glycerol 
C) acetyl CoA 
D) amino acids 
A) lactate 
B) glycerol 
C) acetyl CoA 
D) amino acids

Question 12

How many acetyl CoA molecules can be obtained from oxidation of an 18-carbon fatty acid? ​

Accepted Answer

A) ​3 
B) ​6 
C) ​9 
D) ​18 
A) ​3 
B) ​6 
C) ​9 
D) ​18

Question 13

Match between columns
                        Premises: glycolysis

Accepted Answer

The Answer of smooth endoplasmic reticulum and inner compartment of is...

Question 14

How soon would death occur from starvation if the body was unable to shift to a state of ketosis? ​

Accepted Answer

A) within 3 weeks 
B) less than 2 weeks 
C) between 5 and 6 weeks 
D) between 2 and 3 months 
A) within 3 weeks 
B) less than 2 weeks 
C) between 5 and 6 weeks 
D) between 2 and 3 months

Question 15

When energy-yielding nutrients are consumed in excess, which one(s)can lead to storage of fat? ​

Accepted Answer

A) fat only 
B) carbohydrate only 
C) and carbohydrate only 
D) fat, carbohydrate, and protein 
A) fat only 
B) carbohydrate only 
C) and carbohydrate only 
D) fat, carbohydrate, and protein

Question 16

Explain how and where alcohol is metabolized in the body, beginning with absorption into the body and ending with the metabolites of alcohol metabolism.

Accepted Answer

Alcohol is absorbed into the body in the

Question 17

Identify each individual pathway in order that a molecule of glucose must go through in order to be completely oxidized, and identify how many ATP are derived from each step.

Accepted Answer

Initially, glucose enters glycolysis. Fo

Question 18

What minimum concentration of blood alcohol leads to impaired judgment and increased heart rate? ​

Accepted Answer

A) ​0.01 
B) ​0.05 
C) ​0.10 
D) ​0.35 
A) ​0.01 
B) ​0.05 
C) ​0.10 
D) ​0.35

Question 19

An immediate consequence of a cellular deficiency of oxaloacetate is a slowing of ____. ​

Accepted Answer

A) glycolysis 
B) the TCA cycle 
C) lactate synthesis 
D) ketone formation 
A) glycolysis 
B) the TCA cycle 
C) lactate synthesis 
D) ketone formation

Question 20

What process describes the sum of all chemical reactions that go on in living cells?

Accepted Answer

A) digestion 
B) metabolism 
C) absorption 
D) catabolism 
A) digestion 
B) metabolism 
C) absorption 
D) catabolism

Exam 7: Energy Metabolism

Glycolysis is the conversion of ____. ​

In a triglyceride that contains 54 carbon atoms, how many carbons can become part of glucose? ​

What is a characteristic of the metabolism of specific macronutrients?

An aerobic reaction is one that requires ____. ​

Which organ is the most metabolically active? ​

How does excess carbohydrate intake contribute to obesity? ​

What is acetaldehyde? ​

What is a coenzyme? ​

How many acetyl CoA molecules can be obtained from oxidation of an 18-carbon fatty acid? ​

How soon would death occur from starvation if the body was unable to shift to a state of ketosis? ​

When energy-yielding nutrients are consumed in excess, which one(s)can lead to storage of fat? ​

Explain how and where alcohol is metabolized in the body, beginning with absorption into the body and ending with the metabolites of alcohol metabolism.

Identify each individual pathway in order that a molecule of glucose must go through in order to be completely oxidized, and identify how many ATP are derived from each step.

What minimum concentration of blood alcohol leads to impaired judgment and increased heart rate? ​

An immediate consequence of a cellular deficiency of oxaloacetate is a slowing of ____. ​

What process describes the sum of all chemical reactions that go on in living cells?

An Overview of Nutrition

Planning a Healthy Diet

Digestion, Absorption, and Transport

The Carbohydrates: Sugar, Starches, and Fibers

The Lipids: Triglycerides, Phospholipids, and Sterols

Protein: Amino Acids

Energy Balance and Body Composition

Weight Management: Overweight, Obesity, and Underweight

The Water-Soluble Vitamins: B Vitamins and Vitamin C

The Fat-Soluble Vitamins: A, D, E, and K

Water and the Major Minerals

The Trace Minerals

Life Cycle Nutrition: Pregnancy and Lactation

Life Cycle Nutrition: Infancy, Childhood, and Adolescence

Life Cycle Nutrition: Adulthood and the Later Years

Nutrition Care and Assessment

Nutrition Intervention

Medications, Diet-Drug Interactions, and Herbal Products

Enteral Nutrition Support

Parenteral Nutrition Support

Metabolic and Respiratory Stress

Upper Gastrointestinal Disorders

Lower Gastrointestinal Disorders

Liver Disease and Gallstones

Diabetes Mellitus

Cardiovascular Diseases

Kidney Diseases

Cancer and Hiv Infection

Filters

Glycolysis is the conversion of ____.

In a triglyceride that contains 54 carbon atoms, how many carbons can become part of glucose?

An aerobic reaction is one that requires ____.

Which organ is the most metabolically active?

How does excess carbohydrate intake contribute to obesity?

What is acetaldehyde?

What is a coenzyme?

How many acetyl CoA molecules can be obtained from oxidation of an 18-carbon fatty acid?

How soon would death occur from starvation if the body was unable to shift to a state of ketosis?

When energy-yielding nutrients are consumed in excess, which one(s)can lead to storage of fat?

What minimum concentration of blood alcohol leads to impaired judgment and increased heart rate?

An immediate consequence of a cellular deficiency of oxaloacetate is a slowing of ____.