Laboratory Values

Question 1

what is the most helpful laboratory result in an asthmatic patient?

Answer 1

arterial blood gas

Question 2

what does the arterial blood gas provide information about?

Answer 2

ventilation through the pCO2 and pO2 values

Question 3

what causes respiratory alkalosis (low pO2) ?

Answer 3

hyperventilation

Question 4

what occurs with persistent worsening of ventilation and ventilation perfusion mismatch?

Answer 4

respiratory acidosis due to hypercapnia or retention of carbon dioxide

Question 5

what can acid-base imbalances be improved with?

Answer 5

supplying oxygen and pharmacologic therapy

Question 6

what is mechanical ventilation and critical management required for?

Answer 6

required for severe respiratory acidosis and hypoxemia

Question 7

what is the normal value for pH?

Answer 7

7.35-7.45

Question 8

what is the normal value for pCO2

Answer 8

35-45

Question 9

what is the normal value for HCO3?

Answer 9

22-26

Question 10

what is the normal value for pO2?

Answer 10

80-100