2.3 Exercises for Lesson 2
1. As man grows from infancy to adulthood, the proportion of water to his total weight:
- a. Grows greater.
- b. Decreases.
- c. Remains unchanged.
2. Which of the following routes of fluid output from the body is most subject to fluctuation?
- a. Lungs.
- b. Intestines.
- c. Skin.
- d. Kidneys.
3. The body fluid that transports food within the cells is:
- a. Intravascular.
- b. Intracellular.
- c. Extracellular.
4. The uses of body water:
- a. Are limited by its body location.
- b. Are limited by capillary tissues.
- c. Change constantly, from one use to another.
- d. Depend on the person's ethnic origin.
5. Electrolytes are substances that are:
- a. Catalysts.
- b. Organ regulators.
- c. Never lost from the body.
- d. Found in body fluids.
6. Because of their ion state, electrolytes can:
- a. Combine to form a compound.
- b. Change from cation to anion.
- c. Carry oxygen.
- d. Lose their strength.
7. The most abundant electrolyte in intracellular fluid is:
- a. Potassium.
- b. Sodium.
- c. Chloride.
- d. Magnesium.
8. The two prime considerations when ordering replacement electrolytes are:
9. The acid-base balance of the blood refers to:
- a. The person's ability to walk without falling.
- b. The amount of alcohol in the blood.
- c. The amounts of alkaline and acid in the blood.
- d. The tendency of the blood to form thrombosus.
10. Intravenous injection of an isotonic solution causes the body's cells to:
- a. Shrink.
- b. Expand.
- c. Remain the same.
- d. Depend on the electrolytes in the solution.
11. The process that causes a solvent to move across a semi-permeable membrane from a location where a solute is less concentrated to a location where the solute is more concentrated is called:
- a. Diffusion.
- b. Random.
- c. Hypertonics.
- d. Osmosis.
12. Which of the following statements is NOT true of crystalloid solutions?
- a. Crystalloid solutions are stored at room temperature.
- b. Crystalloid solutions contain large molecules.
- c. Crystalloid solutions are a source of electrolytes.
- d. Crystalloid solutions sometimes function as a temporary source of fluid volume.
13. Loss of water vapor through respirations is usually apparent to a normal person:
- a. At all times.
- b. Never.
- c. On a hot day.
- d. On a cold day.
14. Fluid loss is generally quite apparent to the person, if it is caused by:
- a. Normal perspiration.
- b. Feces.
- c. Respiration.
- d. Abnormal means.
15. Psychological problems are not as apparent if a person's electrolyte balance can be restored by:
- a. Intravenous infusion.
- b. Exercise.
- c. A bland diet.
- d. The oral route.
16. An enzyme is a catalyst because it:
17. Hormones are generated by a group of glands called:
- a. Endogenous.
- b. Hemostasis.
- c. Endocrine.
- d. Insulin.
Answers to Exercises for Lesson 2
- 1. b
- 2. d
- 3. b
- 4. c
- 5. d
- 6. a
- 7. a
- 8. Source of the lost fluid Amount of fluid lost
- 9. c
- 10. c
- 11. d
- 12. b
- 13. d
- 14. d
- 15. d
- 16. It speeds up chemical reactions without being consumed or used up.
- 17. c