physio ex 10 Question and answers
rated A+ 2025
1. The fastest compensatory mechanism for maintaining pH homeostasis in
the human body is - correct answer c. the chemical buffering system.
2. An increase in hydrogen ion concentration would - correct answer d.
decrease pH.
3. The amount of carbon dioxide in the blood is measured in - correct answer
b. mm Hg.
4. The reaction of water and carbon dioxide is catalyzed by - correct answer
a. carbonic anhydrase.
Predict Question: What do you think will happen to the pH and PCO2 levels
with hyperventilation? - correct answer b. pH will decrease and PCO2 will
increase.
Were the pH and PCO2 in the normal range? - correct answer c. Both pH and
PCO2 were in the normal range.
What was the effect of returning to normal breathing after hyperventilation? -
correct answer b. The breathing stopped temporarily to retain carbon dioxide.
1. Hyperventilation results in - correct answer b. respiratory alkalosis.
2. With hyperventilation - correct answer the higher peaks on the tracing
indicate, a. a larger volume of air.
, 3. Which of the following is not a potential cause of respiratory alkalosis? -
correct answer d. emphysema
4. The kidneys can compensate for respiratory alkalosis by - correct answer
b. retaining H+ and excreting bicarbonate ion.
1. In cases of acidosis - correct answer the pH of the blood is,c. less than
7.35.
2. Carbon dioxide and water form - correct answer a. carbonic acid (a weak
acid).
3. Which of the following is true of respiratory acidosis? - correct answer c.
The amount of carbon dioxide in the blood is greater than normal.
4. Rebreathing - correct answer b. is exemplified by breathing into a paper
bag.
Predict Question: What do you think will happen to the pH and PCO2 levels
during rebreathing? - correct answer a. pH and PCO2 will decrease.
Which of the following can cause respiratory acidosis? - correct answer c.
airway obstruction
1. Rebreathing simulates - correct answer a. hypoventilation and respiratory
acidosis.
rated A+ 2025
1. The fastest compensatory mechanism for maintaining pH homeostasis in
the human body is - correct answer c. the chemical buffering system.
2. An increase in hydrogen ion concentration would - correct answer d.
decrease pH.
3. The amount of carbon dioxide in the blood is measured in - correct answer
b. mm Hg.
4. The reaction of water and carbon dioxide is catalyzed by - correct answer
a. carbonic anhydrase.
Predict Question: What do you think will happen to the pH and PCO2 levels
with hyperventilation? - correct answer b. pH will decrease and PCO2 will
increase.
Were the pH and PCO2 in the normal range? - correct answer c. Both pH and
PCO2 were in the normal range.
What was the effect of returning to normal breathing after hyperventilation? -
correct answer b. The breathing stopped temporarily to retain carbon dioxide.
1. Hyperventilation results in - correct answer b. respiratory alkalosis.
2. With hyperventilation - correct answer the higher peaks on the tracing
indicate, a. a larger volume of air.
, 3. Which of the following is not a potential cause of respiratory alkalosis? -
correct answer d. emphysema
4. The kidneys can compensate for respiratory alkalosis by - correct answer
b. retaining H+ and excreting bicarbonate ion.
1. In cases of acidosis - correct answer the pH of the blood is,c. less than
7.35.
2. Carbon dioxide and water form - correct answer a. carbonic acid (a weak
acid).
3. Which of the following is true of respiratory acidosis? - correct answer c.
The amount of carbon dioxide in the blood is greater than normal.
4. Rebreathing - correct answer b. is exemplified by breathing into a paper
bag.
Predict Question: What do you think will happen to the pH and PCO2 levels
during rebreathing? - correct answer a. pH and PCO2 will decrease.
Which of the following can cause respiratory acidosis? - correct answer c.
airway obstruction
1. Rebreathing simulates - correct answer a. hypoventilation and respiratory
acidosis.
