NR341 Acid Base Review Quiz.

NR341 Acid Base Review Quiz. Multiple Choice Questions- Acid Base Balance Q.1- A person was admitted in a coma. Analysis of the arterial blood gave the following values: PCO2 16 mm Hg, HCO3- 5 mmol/l and pH 7.1. What is the underlying acid-base disorder? a) Metabolic Acidosis b) Metabolic Alkalosis c) Respiratory Acidosis d) Respiratory Alkalosis Q.2- In a man undergoing surgery, it was necessary to aspirate the contents of the upper gastrointestinal tract. After surgery, the following values were obtained from an arterial blood sample: pH 7.55, PCO2 52 mm Hg and HCO3- 40 mmol/l. What is the underlying disorder? a) Metabolic Acidosis b) Metabolic Alkalosis c) Respiratory Acidosis d) Respiratory Alkalosis Q.3- A young woman is found comatose, having taken an unknown number of sleeping pills an unknown time before. An arterial blood sample yields the following values: pH – 6.90, HCO3- 13 meq/liter, PaCO2 68 mmHg. This patient’s acid-base status is most accurately described as a) Uncompensated metabolic acidosis b) uncompensated respiratory acidosis c) simultaneous respiratory and metabolic acidosis d) respiratory acidosis with partial renal compensation