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Acid-Base Balance Quiz

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Test your acid-base essentials

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Acid-Base Balance Quiz
 

Acid-Base Balance QuizOnline version

Test your acid-base essentials

by Anotida
1

What does acid-base balance primarily regulate?

2

Which pH range is considered normal for the human body?

3

What describes acidosis in arterial blood?

4

What describes alkalosis in arterial blood?

5

Which buffer system is a rapid-acting chemical buffer?

6

What is the major volatile acid buffered in the body?

7

Which acid is often formed from anaerobic glucose metabolism?

8

Which body component buffers nonvolatile acids like lactic acid?

9

Which mechanism is a physiologic pH control?

10

What does increased respiration do to pH?

11

Which ABG parameter indicates respiratory status?

12

What indicates metabolic acidosis on ABG?

13

What indicates metabolic alkalosis on ABG?

14

Which organ primarily excretes acids and maintains pH long-term?

15

What does the chloride shift help with?

16

Which buffer pair is mainly intracellular and in red blood cells?

17

What happens when base/acid ratio deviates from 20:1?

18

What is the effect of prolonged hypoventilation?

19

What is the role of urinary NH3 in pH control?

20

Why are buffers alone not sufficient to maintain pH?

Feedback

pH balance hinges on H+ concentration in fluids.

Normal pH is narrowly maintained around 7.36–7.40.

Acidosis = low arterial pH.

Alkalosis = high arterial pH.

Bicarbonate acts quickly to neutralize H+.

Carbonic acid arises from CO2 in blood.

Lactic acid forms with H+ from anaerobic glycolysis.

H+ from nonvolatile acids buffered by bicarbonate.

Breathing adjusts CO2 and H+ indirectly.

Hyperventilation reduces CO2, lowers H+..

Pco2 reflects respiratory gas exchange.

Metabolic acidosis: low bicarbonate and pH.

Metabolic alkalosis: elevated bicarbonate and pH.

Renal excretion complements respiratory control.

Chloride shift supports bicarbonate buffering in blood.

Haemoglobin acts as a key intracellular buffer.

Imbalance triggers compensation toward 20:1.

Hypoventilation raises CO2, lowers pH.

NH3 traps H+ as ammonium for excretion.

Buffering works with respiration and kidneys.

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