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
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d) Respiratory Alkalosis
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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
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, Q.4- A student is nervous for a big exam and is breathing rapidly, what do you expect out
of the followings
a) Metabolic Acidosis
b) Metabolic Alkalosis
c) Respiratory Acidosis
d) Respiratory Alkalosis
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Q.5- A 45- year-old female with renal failure, missed her dialysis and was feeling
sick, what could be the reason ?
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a) Metabolic Acidosis
b) Metabolic Alkalosis
c) Respiratory Acidosis
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d) Respiratory Alkalosis
Q.6- An 80-year-old man had a bad cold. After two weeks he said, “It went in to my chest, I
am feeling tightness in my chest, I am coughing, suffocated and unable to breathe!” What
could be the possible reason?
a) Metabolic Acidosis
b) Metabolic Alkalosis
c) Respiratory Acidosis
d) Respiratory Alkalosis
Q.7- A post operative surgical patient had a naso gastric tube in for three days. The nurse
caring for the patient stated that there was much drainage from the tube that is why she
felt so sick. What could be the reason?
a) Metabolic Acidosis
https://www.coursehero.com/file/41419516/NR341-Acid-Base-Review-Quizpdf/