26.1 Nutrition

1			Which of the following is responsible for the removal of excess cholesterol from cells and the bloodstream?
			A)	lipoprotein lipase
			B)	VLDLs
			C)	HDLs
			D)	LDLs
			E)	chylomicrons
2			Of the following, which best describes the function of water in the body?
			A)	It is a direct source of energy for ATP production.
			B)	It directly functions as a coenzyme.
			C)	It supports blood volume and pressure.
			D)	It functions in immune recognition.
			E)	It forms the backbone of the structure of plasma membranes.
3			Which of the following does not describe the essential nutrients (those that the body cannot synthesize)?
			A)	all minerals
			B)	most vitamins
			C)	15 of the 20 amino acids
			D)	1 to 3 of the fatty acids
4			Which of the following is not an example of a metabolic role of dietary fat?
			A)	compact energy-storage substance
			B)	absorption of fat soluble vitamins--A, D, E, and K
			C)	glucose-sparing and protein-sparing effects
			D)	forms majority of metabolic enzymes
5			You want to decrease the use of animal foods in your diet. Which of the following suggestions should you follow to receive adequate protein nutrition?
			A)	Eat as much meat as possible since no plants provide adequate protein.
			B)	Plant foods will provide complete protein nutrition so avoiding all animal foods is a great idea.
			C)	Eating a diet high in corn and beans will provide adequate protein nutrition.
			D)	Eating a mixture of beans and rice will provide adequate protein nutrition.
			E)	Eating eggs, milk, legumes, and cereals every day is the only way to receive adequate protein nutrition.

26.2 Carbohydrate Metabolism

6			When an infant's blood supply is cut off during birth, all of its organs except the brain switch to what kind of metabolism?
			A)	glycolysis
			B)	anaerobic fermentation
			C)	aerobic respiration
			D)	None of the above.
7			What is the final electron acceptor in aerobic respiration?
			A)	NAD
			B)	cytochrome a3
			C)	water
			D)	oxygen
			E)	FMN
8			What is the total number of protons donated by NADH to aerobic respiration?
			A)	2
			B)	8
			C)	10
			D)	There is not enough information provided to determine.
9			Approximately how many ATP molecules are generated by aerobic respiration?
			A)	2
			B)	4
			C)	30
			D)	38
10			What is a metabolic by-product of aerobic respiration?
			A)	lactic acid
			B)	oxygen
			C)	carbon dioxide
			D)	pyruvate
11			Which of the following proteins is not part of the electron transport chain?
			A)	coenzyme Q
			B)	Iron-sulfur complexes
			C)	ATP-synthase
			D)	cytochromes

26.3 Lipid and Protein Metabolism

12			An extreme low carbohydrate diet causes the body to rely on lipolysis for fuel. This type of diet may result in ________________.
			A)	alkalosis
			B)	ketosis
			C)	hepatic coma
			D)	hepatitis
13			Which of the following terms is used to describe the removal of an amino group NH2 from an amino acid?
			A)	ketoamination
			B)	amination
			C)	transamination
			D)	deamination

26.4 Metabolic States and Metabolic Rate

14			Which of the following does not occur during the fasting state?
			A)	glycogenolysis
			B)	beta-oxidation
			C)	lipogenesis
			D)	gluconeogenesis
15			The basal metabolic rate of an average male adult is ________________.
			A)	1000 kcal/day
			B)	1600 kcal/day
			C)	2000 kcal/day
			D)	2400 kcal/day
16			The absorptive state lasts for about _____ after a meal.
			A)	30 minutes
			B)	2 hours
			C)	4 hours
			D)	12 hours

26.5 Body Heat and Thermoregulation

17			Which of the following statements about body heat is false?
			A)	Most body heat comes from chemical reactions.
			B)	Exercise greatly lowers heat generation in the muscles.
			C)	Our bodies cool down by giving off infrared radiation to the objects around them.
			D)	Sweat wets the skin surface and its evaporation carries heat away.
18			Which of the following physiological responses is not controlled by the heat-promoting center of the hypothalamus?
			A)	shivering thermogenesis
			B)	nonshivering thermogenesis
			C)	cutaneous vasodilation
			D)	breakdown of brown fat
19			At rest, when air temperature is less than about 37°C, the majority of the body heat is lost by
			A)	forced convection.
			B)	evaporation.
			C)	conduction to solids.
			D)	conduction to air.
			E)	radiation.
20			Which of the following describes the possible result of exposure to high heat and humidity that can lead to convulsions, coma, and sudden death?
			A)	heat cramps
			B)	heat exhaustion
			C)	heat stroke