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WorksheetsRespiratory acid base quiz
Total questions: 10
Worksheet time: 5mins
1.- The pH of the body fluids is stabilized by buffer systems. Which of the following compounds is the most effective buffer system at physiological pH?
a) Bicarbonate buffer
b) Phosphate buffer
c) Protein buffer
d) Haemoglobin buffer
2.In correcting alkalosis, bicarbonate buffering action is not efficient because:
a) pH value is low.
b) It is a weak buffer.
c) Base/Acid ratio is 20/1
d) Bicarbonate quantity is not enough.
3.The greatest buffering capacity at physiological pH would be provided by a protein rich in which of the following amino acids?
a) Lysine
b) Histidine
c) Aspartic acid
d) Leucine
4.Hemoglobin has more powerful buffering action compared to plasma proteins because of:
a) Carboxylic groups.
b) Amino groups.
c) Imidazole groups of histidine residues.
d) Formation of carbaminohemoglobin.
5.The primary change in respiratory acidosis is
a) Increase in bicarbonate concentration.
b) Increase in pCO2.
c) Decrease in respiratory rate.
d) Hypoxia.
6.The main compensatory mechanism in respiratory alkalosis is
a) Retention of bicarbonate
b) Decrease in renal acid excretion
c) Increase in Red Blood Cells.
d) Buffer system.
7.Which of the following laboratory results below indicates uncompensated metabolic
alkalosis?
a) Low p CO2, normal bicarbonate and, high pH
b) Low p CO2, low bicarbonate, low pH
c) High p CO2, normal bicarbonate and, low p H
d) Normal pCO2, high bicarbonate and High Ph
8.- Which of the following is most appropriate for a female suffering from Insulin
dependent diabetes mellitus with a pH of 7.2, HCO3-17 mmol/L and pCO2-20 mm HG
a) Metabolic Acidosis
b) Metabolic Alkalosis
c) Respiratory Acidosis
d) Respiratory Alkalosis
9- Which of the following laboratory results below indicates compensated metabolic alkalosis?
a) Low p CO2, normal bicarbonate and, high pH
b) Low p CO2, low bicarbonate, low pH
c) High p CO2, normal bicarbonate and, low p H
d) High pCO2, high bicarbonate and High pH
10. 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
