|
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. |
|
|
|
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 |
|
|
|
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 |
|
|
|
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 |
|
|
|
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 |
|
|