Question 1

Which of the following minerals is important in acid-base balance?

Accepted Answer

A)  calcium 
B)  chlorine 
C)  iron 
D)  manganese 
E)  sodium

Question 2

Which of the following is an example of convection?

Accepted Answer

A)  infra-red radiation 
B)  sweating 
C)  exposure of the body to cold air 
D)  warming a chair by sitting in it 
E)  losing water to the air

Question 3

Arrange the following in correct sequence: 1 Ammonia is converted to urea in the liver.
2 Oxidative deamination of an amino acid.
3 Urea is eliminated by the kidney.
4 Ammonia and keto acids are formed.

Accepted Answer

A)  1, 3, 4, 2 
B)  2, 4, 1, 3 
C)  3, 1, 4, 2 
D)  4, 1, 3, 2 
E)  2, 3, 1, 4

Question 4

Match the function or term with the appropriate organic molecule.
-functional component of plasma membrane

Accepted Answer

A) carbohydrates 
B) lipids 
C) proteins 
D) nucleic acids

Question 5

Match the function or term with the appropriate organic molecule.
-glycogen

Accepted Answer

A) carbohydrates 
B) lipids 
C) proteins 
D) nucleic acids

Question 6

What amino acid is usually formed from the transamination of another amino acid?

Accepted Answer

A)  serine 
B)  glycine 
C)  aspartic acid 
D)  glutamic acid

Question 7

Phospholipids

Accepted Answer

A)  are found in cell membranes. 
B)  are used as an energy source by cells. 
C)  can be modified to form cholesterol. 
D)  are involved in the process of inflammation. 
E)  are found inside organelles.

Question 8

Excessive bleeding due to slowed blood clotting is a symptom of vitamin _____ deficiency.

Accepted Answer

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

Question 9

Each NADH molecule fed into the electron transport chain produces _____ ATPs.

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  5 
E)  6

Question 10

Match the mineral with its function.
-iron

Accepted Answer

A) functions in carbon dioxide metabolism and transport, also needed for protein metabolism 
B) component of hemoglobin 
C) a constituent of coenzymes; needed for bone formation and proper function of nerve and muscle 
D) needed for the production of thyroxine 
E) component of nucleic acids and ATP; used in bone formation

Question 11

The sum of all chemical reactions that occur in the body is known as

Accepted Answer

A)  absorption. 
B)  metabolism. 
C)  digestion. 
D)  catabolism. 
E)  anabolism

Question 12

Proteins regulate the acid-base balance of the blood by

Accepted Answer

A)  acting as buffers. 
B)  releasing nitrogen. 
C)  transporting iron. 
D)  binding sodium ions. 
E)  removing carbon dioxide from the blood.

Question 13

The formation of fat from excess glucose is called __________.

Accepted Answer

The answer of The formation of fat from excess glucose...

Question 14

The result of five turns of the citric acid cycle would be

Accepted Answer

A)  5 ATP, 5 NADH, 5 FADH2, 5 carbon dioxide. 
B)  5 ATP, 15 NADH, 5 FADH2, 10 carbon dioxide. 
C)  10 ATP, 30 NADH, 10 FADH2, 20 carbon dioxide. 
D)  10 ATP, 10 NADH, 5 FADH2, 10 carbon dioxide. 
E)  15 ATP, 15 NADH, 15 FADH2, 15 carbon dioxide

Question 15

Which of the following steps in glycolysis occurs last?

Accepted Answer

A)  oxidation of glyceraldehyde-3-phosphate 
B)  production of ATP from phosphoenolpyruvic acid 
C)  phosphorylation of glucose to form glucose-6-phosphate 
D)  cleavage of fructose 1, 6 diphosphate 
E)  input of 2 ATP molecules

Question 16

A molecule that moves electrons from the citric acid cycle to the electron transport chain is

Accepted Answer

A)  pyruvic acid. 
B)  CO2. 
C)  ADP. 
D)  NADH. 
E)  H2O.

Question 17

Metabolic rate is the total amount of

Accepted Answer

A)  glucose absorbed by the small intestine each hour. 
B)  heat produced by body cells in an hour. 
C)  energy produced and used by the body per unit of time. 
D)  carbon dioxide exhaled per unit of time. 
E)  kilocalories consumed.

Question 18

Match the function or term with the appropriate organic molecule.
-antibodies

Accepted Answer

A) carbohydrates 
B) lipids 
C) proteins 
D) nucleic acids

Question 19

Starches and sugars are examples of

Accepted Answer

A)  carbohydrates. 
B)  lipids. 
C)  proteins. 
D)  vitamins. 
E)  minerals.

Question 20

An essential amino acid

Accepted Answer

A)  can be formed from fats in the body. 
B)  can be synthesized by the body if there is enough nitrogen. 
C)  must be made from glucose. 
D)  must be supplied in the diet. 
E)  can not be converted to nonessential amino acids.

Exam 25: Nutrition, Metabolism, and Temperature Regulation

Which of the following minerals is important in acid-base balance?

Which of the following is an example of convection?

Arrange the following in correct sequence: 1 Ammonia is converted to urea in the liver. 2 Oxidative deamination of an amino acid. 3 Urea is eliminated by the kidney. 4 Ammonia and keto acids are formed.

Match the function or term with the appropriate organic molecule. -functional component of plasma membrane

Match the function or term with the appropriate organic molecule. -glycogen

What amino acid is usually formed from the transamination of another amino acid?

Phospholipids

Excessive bleeding due to slowed blood clotting is a symptom of vitamin _____ deficiency.

Each NADH molecule fed into the electron transport chain produces _____ ATPs.

Match the mineral with its function. -iron

The sum of all chemical reactions that occur in the body is known as

Proteins regulate the acid-base balance of the blood by

The formation of fat from excess glucose is called __________.

The result of five turns of the citric acid cycle would be

Which of the following steps in glycolysis occurs last?

A molecule that moves electrons from the citric acid cycle to the electron transport chain is

Metabolic rate is the total amount of

Match the function or term with the appropriate organic molecule. -antibodies

Starches and sugars are examples of

An essential amino acid