QUESTION 1 Note: incorrect answer earn negative points) O a Starting lung volurm

Question

QUESTION 1 Note: incorrect answer earn negative points) O a Starting lung volurme was increased b. Starting lung volume was decreasecd c. Starting arterial Pco2 was increassed d. Starting arterial PCO2 was decreased e. Starting arterial Po2 was greatly increased t. Starting arterial PO2 was greatly decreased. QUESTION 2 a. Starting lung volume was increased. b. Starting lung volume was decreased. c. Starting arterial PCO2 was increased. d. Starting arterial Pco2 was decreased e. Starting arterial Poz was increased . Starting arterial Po2 was decreased. QUESTION 3 a Starting lung volume was increased b. Starting lung volume was decreased c. Starting arterial Pco2 was increased d. Starting arterial Pcoz was decreased was decreased. 20 esc

Explanation / Answer

1. d) starting arterial pCO2 was decreased.

Hyperventilation is characterised by exhalation of CO2 at a high rate and inhalation of O2 at a lower rate. Due to decrease in CO2 in the body pCO2 decreases.

2. d) starting arterial pCO2 was decreased

e) starting arterial pO2 was increased.

When you rebreathe oxygen level increases and CO2 level decreases.

3. a) starting lung volume was Increased.

e) the rate of CO2 production was increased.

After exercise the oxygen demand of body is more. Hence lung volume increases slightly. The CO2 is produced faster.

4. c) starting arterial pCO2 was Increased.

f) starting arterial pO2 was greatly decreased.

Once exhaled, the body has more CO2 and less O2.

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