Shared Flashcard Set

Details

Chapter 7 & 8
na
21
Science
04/11/2011

Additional Science Flashcards

 


 

Cards

Term
The Cori cycle involves the interconversion of


A. lactate and pyruvate.

B. glucose and amino acids.

C. pyruvate and citric acids.

D. fatty acids and acetyl CoA.
Definition
A. lactate and pyruvate.
Term
In addition to energy, what are the principal end products of cellular oxidation of carbohydrates?


A. Water and carbon dioxide

B. Carbon, hydrogen, and urea

C. Indigestible fiber and nitrogen

D. Monosaccharides and amino acids
Definition
A. Water and carbon dioxide
Term
During the first few days of a fast, what energy source provides about 90% of the glucose needed to fuel the body?


A. Protein

B. Ketones

C. Glycogen

D. Triglycerides
Definition
A. Protein
Term
After the first day or so of fasting, which of the following is most depleted in the body?


A. Glycogen

B. Fatty acids

C. Amino acids

D. Triglycerides
Definition
A. Glycogen
Term
Your roommate Demetrius is participating in a weightlifting course 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


A. lactate.

B. glycerol.

C. acetyl CoA.

D. amino acids.
Definition
A. lactate.
Term
Fatty acid oxidation results in the direct production of


A. ketones.

B. fructose.

C. pyruvate.

D. acetyl CoA.
Definition
D. acetyl CoA.
Term
Which of the following is not an aspect of glycolysis?


A. It is irreversible

B. It generates ATP

C. It occurs in the absence of oxygen

D. It generates two molecules of pyruvate for each molecule of glucose
Definition
A. It is irreversible
Term
What is the immediate fate of excess dietary protein in the body?


A. Stored

B. Reduced

C. Oxidized

D. Deaminated
Definition
D. Deaminated
Term
Which of the following can not be formed from acetyl CoA molecules?


A. Glucose

B. Cholesterol

C. Fatty acid

D. Carbon dioxide
Definition
A. Glucose
Term
When energy-yielding nutrients are consumed in excess, which one(s) can lead to storage of fat?


A. Fat only

B. Carbohydrate only

C. Fat and carbohydrate only

D. Fat, carbohydrate, and protein
Definition
D. Fat, carbohydrate, and protein
Term
Glycolysis is the conversion of


A. glycogen to fat.

B. glycogen to protein.

C. glucose to pyruvate.

D. glucose to glycogen.
Definition
C. glucose to pyruvate.
Term
What term is specific to reactions in which simple compounds are combined into more complex molecules?


A. Anabolic

B. Catabolic

C. Ergogenic

D. Gluconeogenic
Definition
A. Anabolic
Term
An immediate consequence of a cellular deficiency of oxaloacetate is a slowing of


A. glycolysis.

B. the TCA cycle.

C. lactate synthesis.

D. ketone formation.
Definition
B. the TCA cycle.
Term
Approximately how many molecules of ATP are generated from the complete oxidation of one molecule of glucose?


A. 4

B. 9

C. 36

D. 130
Definition
C. 36
Term
A graph of the relationship between mortality (left axis) and body mass index is shaped like a(n)


A. J.

B. S.

C. backslash.

D. inverted U.
Definition
A. J.
Term
Jacki, who has a sedentary lifestyle, is 5'5" tall and weighs 165 lbs. She calculated her BMI to be 27.5. She recognizes that her body weight is unhealthy and vows to improve her eating habits and begin a regular program of physical fitness. Her goal is to achieve a BMI of 22. Approximately how much weight (lbs) must she lose?


A. 21

B. 27

C. 33

D. 41
Definition
C. 33
Term
Jim is a 45 year old who eats fast food at least 3 times a week and smokes a pack of cigarettes each day. He just had a physical examination and was told that his body mass index is 24. In what category would Jim's BMI be classified?


A. Obesity

B. Overweight

C. Underweight

D. Healthy weight
Definition
D. Healthy weight
Term
Among the following groups, which has the highest metabolic rate?


A. Females

B. Older individuals

C. Younger individuals

D. People with smaller surface areas
Definition
C. Younger individuals
Term
Which of the following is not a known side effect of having insufficient fat stores?


A. Infertility

B. Clinical depression

C. Elevated body temperature

D. Abnormal hunger regulation
Definition
C. Elevated body temperature
Term
What is the main explanation for the difference in basal metabolic rates between males and females of the same body weight?


A. Males are usually taller than females

B. Females have lower levels of thyroid hormones

C. Males have a higher percentage of lean body mass

D. Females have a lower percentage of adipose tissue
Definition
C. Males have a higher percentage of lean body mass
Term
In what region of the body is the storage of excess body fat associated with the highest risks for cardiovascular disease and diabetes?


A. Neck


B. Abdomen

C. Hips and thighs

D. Arms and shoulders
Definition
B. Abdomen