Case
A 28-year-old patient with cystic fibrosis presents with lethargy from home. The patient has IDDM and pancreatic insufficiency. He hasn't been feeling well the last 2 to 3 days. Vital signs are blood pressure 95/65 mm Hg, heart rate 105 bpm, and respiratory rate of 22 breaths per minute.
| Laboratory Data: |
||||
| ABG |
Basic Metabolic Panel |
|||
| pH |
7.09 |
Na |
140 mEq/L |
|
| PaCO2 |
34 mm Hg |
K |
4 mEq/L |
|
| PaO2 |
60 mm Hg |
Cl |
80 mEq/L |
|
| HCO3 |
10 mEq/L |
CO2 |
10 mEq/L |
|
| BUN |
21 mg/dL |
|||
| Cr |
1.1 mg/dL |
|||
| Glucose |
234 mg/dL |
|||
| Albumin |
4 g/dL |
|||
| EtOH |
0 mg/dL |
|||
Question 1 of 6:
What is/are the primary acid-base disturbance(s) occurring in this case?
A - Metabolic acidosis only
B - Respiratory acidosis only
C - Metabolic acidosis and a respiratory acidosis
D - Metabolic alkalosis and a respiratory alkalosis
E - Metabolic alkalosis
F - Respiratory alkalosis
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