Mixed Acid-Base Disorders — MCQs

Acetylsalicylate poisoning causes:

A 55 year old male presents with tachypnea and mental confusion. Blood glucose 350 mg/dl, pH = 7.0. What is the most likely acid base disorder?

The interpretation of the following ABG value is: pH = 7.5, pCO2 = 50 mm Hg, HCO3 = 30 mEq/L

Given the following electrolyte values: Sodium (Na+) = 140 mmol/L, Potassium (K+) = 3 mmol/L, Chloride (Cl-) = 112 mmol/L, and Bicarbonate (HCO3-) = 16 mmol/L, what is the plasma anion gap?

In which of the following condition normal anion gap metabolic acidosis is seen?

Blood gas measurements of a patient show the following values: pH 7.2, pCO2 80 mm Hg, and pO2 46 mm Hg. Which of the following could be the most probable diagnosis?

In plasma, if pH is 5, what is the fraction of base to acid?

When resuscitating a patient in shock which of the following is not an adequate parameter to predict end point of resuscitation?

Which one of the following biochemical abnormalities can be produced by repeated vomiting?

Match the following: 1. Metabolic acidosis a. Hyperventilation 2. Metabolic alkalosis b. Bronchopneumonia 3. Respiratory acidosis c. Pyloric stenosis 4. Respiratory alkalosis d. Glycol poisoning