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During stressful situations,the hormone that most contributes to greater heat production is ____________________.

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The normal range of human body temperature in degrees Fahrenheit (°F) is:


A) 96 to 98
B) 96.5 to 99.5
C) 97 to 98
D) 98.5 to 99.9

E) A) and B)
F) A) and C)

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B

In cell respiration,pyruvic acid is formed during ____________________ (stage).

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The collective term for all of the decomposition reactions within the body is ____________________.

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Two minerals needed for synthesis reactions are ____ for bones and ____ for myoglobin.


A) calcium/iron
B) phosphorus/sulfur
C) calcium/sulfur
D) potassium/iron

E) B) and C)
F) All of the above

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In order to be used in cell respiration,amino acids may be changed to all of these except:


A) acetyl groups
B) pyruvic acid
C) fatty acids
D) ketones

E) None of the above
F) C) and D)

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C

A cheeseburger with "everything" consists of 50 grams of carbohydrates,70 grams of protein,and 70 grams of fat,which is ____________________ total calories.

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The hypothalamus is the thermostat of the body because it balances the responses of ____________________ and the responses of____________________.

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heat loss,heat production

Which of the following statements are true of the synthesis uses of food molecules? (Read carefully and select all of the correct statements.)


A) Amino acids may be used to synthesize the non-essential amino acids.
B) Glucose is used to synthesize glycogen for energy storage.
C) Glycerol is used to synthesize phospholipids for cell membranes.
D) Acetyl groups from the beta-oxidation of fatty acids are used to synthesize cholesterol.
E) Amino acids are used to synthesize proteins.
F) Glucose is used to synthesize the heptose sugars for DNA and RNA.

G) C) and E)
H) B) and E)

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Substances that cause fevers are called:


A) pyrogens
B) pyrotechnics
C) pyromaniacs
D) antipyretics

E) A) and B)
F) All of the above

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Which statement is NOT true of temperature fluctuations in individuals?


A) Infants tend to retain heat and have higher body temperatures.
B) The lowest body temperature usually occurs during sleep.
C) In the elderly,temperature regulation may not be as efficient as it is in younger adults.
D) Exercise tends to increase body temperature.

E) A) and B)
F) A) and C)

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The term for the total heat production when the body is at rest is ____________________.

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basal meta...

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Which statement is NOT true of fat metabolism?


A) Fatty acids and glycerol are used to synthesize fats to be stored in adipose tissue.
B) A gram of fat yields 9 kilocalories of energy.
C) To be used for energy,fatty acids are changed to smaller acetyl groups.
D) Excess glycerol may be changed to glucose to be used for energy production.

E) B) and C)
F) None of the above

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In cell respiration,the nonenergy molecular product that is useful to the cell is ____________________.

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The difference in kilocalories between 20 grams of carbohydrate and 10 grams of protein is:


A) 30 kcal
B) 40 kcal
C) 50 kcal
D) 60 kcal

E) None of the above
F) A) and B)

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A fever-causing substance that is produced by the person's own cells is called a(n)____________________.

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Which statement is NOT true of the stages of cell respiration?


A) Glycolysis takes place in the cytoplasm and begins with a molecule of glucose.
B) The Krebs cycle takes place in the cytoplasm and does not require oxygen.
C) The cytochromes are proteins found in the mitochondria.
D) The cytochrome (electron) transport system requires oxygen.

E) None of the above
F) A) and B)

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Which of the following statements are true of the stages of cell respiration? (Read carefully and select all of the correct statements.)


A) Glycolysis takes place in the mitochondria.
B) The enzymes for the Krebs citric acid cycle are in the cytoplasm of the cell.
C) The cytochromes of the electron transport system are in the mitochondria.
D) Oxygen is required for the Krebs cycle but not for glycolysis.
E) Oxygen is required for the electron transport chain but not for the Krebs cyclE.
F) Oxygen is required for the Krebs cycle but not for the electron transport chain or for glycolysis.

G) All of the above
H) A) and F)

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A breeze takes warm air away from the skin surface; this cools the body by the process of ____________________.

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Metabolism is the collective term for:


A) synthesis reactions
B) decomposition reactions
C) both A and B
D) both A and B and all other reactions in the body

E) A) and B)
F) A) and C)

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