An ABG result shows pH of 7.35, PaCO2 of 30 mm Hg, and HCO3 of 18 mEq/L. Which of the following is the patient's most likely primary disorder?
a. Metabolic acidosis
b. Metabolic alkalosis
c. Respiratory acidosis
d. Respiratory alkalosis
Q. 2 Which of the following clinical findings would you expect in a fully compensated respiratory acidosis?
1. Elevated HCO3
2. pH below 7.35
3. pH between 7.35 and 7.39
4. Elevated PO2
a. 1 and 3 only
b. 2 and 3 only
c. 2 and 4 only
d. 1, 3, and 4 only
Q. 3 An increase in the H+ ion concentration H+ of the blood due only to an increase in the arterial PCO2 (hypercapnia) best describes which of the following?
a. Metabolic acidosis
b. Metabolic alkalosis
c. Respiratory acidosis
d. Respiratory alkalosis
Q. 4 A patient has a pH of 7.49. How would you describe this?
a. Acidemia
b. Alkalemia
c. Not sufficient information to determine
d. Normal acid-base status
Q. 5 Which of the following accurately describes compensation for acid-base disorders?
a. Kidneys take hours to days to compensate for respiratory disorders.
b. Lungs take hours to days to compensate for metabolic disorders.
c. Renal compensation is always complete.
d. Respiratory compensation is always com-plete.
Q. 6 A patient has a bicarbonate concentration of 36 mEq and a PCO2 of 60 mm Hg. What is the ap-proximate pH?
a. 7.2
b. 7.3
c. 7.4
d. 7.5