单选题 The nurse is reviewing a client's arterial blood gas (ABG) report. Which ABG value reflects the acid concentration in the blood?
A. pH
B. PaO2
C. PaCO2
D.
【正确答案】 A
【答案解析】The pH in an ABG report reflects the acid concentration in the blood. The partial pressure of arterial oxygen (PaO2) value indicates the amount of oxygen dissolved in the blood; the partial pressure of arterial carbon dioxide (PaCO2) value represents the amount of carbon dioxide dissolved in the blood. The bicarbonate (