Question 1

Which diagnostic test is the best way to evaluate the efficiency of the client's gas exchange?

Accepted Answer

Arterial Blood Gas (ABG) analysis

Answer

Positron emission tomography (PET) Scan

Answer

Computed tomography (CT) scan of the chest

Answer

Complete Blood Cell (CBC) count with differential

Question 2

The nurse provides care for a patient with lactic acidosis. Which ABG does the nurse anticipate for this client?

Accepted Answer

pH 7.21, PaCO2 33, HCO3 16

Answer

pH 7.49, PaCO2 47, HCO3 30

Answer

pH 7.55, PaCO2 30, HCO3 21

Answer

pH 7.22, PaCO2 60, HCO3 28

Question 3

Which is the best explanation of the rationale for performing an Allen test prior to drawing ABG's on a client?

Accepted Answer

To ensure adequate peripheral perfusion via the ulnar artery

Answer

To ensure that the client does not have peripheral arterial disease

Answer

To determine that capillary refill time is not prolonged

Answer

To test for adequate peripheral perfusion via the radial artery

Question 4

(ABG) analysis is as follows: pH 7.29, PaCO2 55, HCO3 26, and PaO2 78. Which acid-base imbalance is anticipated?

Accepted Answer

Respiratory acidosis

Answer

Respiratory alkalosis

Answer

Metabolic alkalosis

Answer

Metabolic acidosis

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