Chapter 21 (exam)

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Chapter 21 (exam)
2012-06-04 18:37:33
anatomy physiology chpt 21

chapter 21 exam questions
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  1. Transcellular fluid includes the water and electrolytes within the
    joint cavities
  2. Extracellular fluids are characterized by relatively
    high sodium and low potassium concentration
  3. Intracellular fluids are characterized by relatively high concentrations of
    potassium and phosphate
  4. The movement of water and electrolytes between fluid compartments is regulated primarily by
    hydrostatic pressure and osmotic pressure
  5. The thirst center is located in the
  6. The thirst center in the hypothalamus is stimulated by __ of the extracellular fluid, and is inhibited by __
    an increase in the osmotic pressure; distension of the stomach by water
  7. A person in a moderate environment probably would lose the greatest amount of water by means of
  8. If excessive amounts of water are taken into the body,
    osmoreceptors in the brain begin to swell
  9. The hormone aldosterone functions to promote the
    reabsorption of sodium
  10. The primary stimulus for the secretion of aldosterone is
    rising potassium concentration
  11. Compared to the average adult male, the average adult female body contains relatively
    less water and more adipose tissue
  12. Prolonged vomiting, in which only the stomach contents are lost, leads to
    metabolic alkatosis
  13. During periods of physical exercise, there is
    an increased production of carbonic acid, and the pH of the body fluids tend to fail
  14. Which of the following is an example of a physiological buffer?
    renal mechanism
  15. Drinking alcohol produces its diuretic effect by
    inhibiting the release of ADH
  16. The acid-base buffer systems in blood include
    all of these are correct
  17. Obstruction of the airways leads to
    respiratory acidosis
  18. When sodium ions are reabsorbed in response to the action of aldosterone, potassium ions are
  19. Prolonged diarrhea, in which the intestinal secretions are lost excessively, leads to
    metabolic acidosis
  20. Hyperventilation leads to
    respiratory alkalosis