Blood pH and Acid-Base Balance Quiz

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What is the expected normal range for human blood pH?

6.9 to 7.8

7.2 to 7.6

7.35 to 7.45 (correct)

6.5 to 8.0

Which of the following processes helps maintain blood pH homeostasis?

Carbonic acid regulation by the lungs

Bicarbonate regulation by the kidneys

Chemical buffers like lactic acid and proteins

All of the above (correct)

What happens if blood pH goes below 6.9?

Death can occur (correct)

Nothing, it's still in the normal range

Acidosis occurs

Alkalosis occurs

Which groups are most at risk for decompensation due to abnormal blood pH?

Both A and B Signup and view all the answers

What laboratory test is used to interpret acid-base balance in the body?

Arterial blood gas (ABG) Signup and view all the answers

What does PaCO2 indicate in an arterial blood gas analysis?

The respiratory component of acid-base balance Signup and view all the answers

What is the expected range for HCO3– (bicarbonate) in a normal arterial blood gas analysis?

21 to 28 mEq/L Signup and view all the answers

In respiratory disorders, how do the pH and PaCO2 levels change in relation to each other?

They change in opposite directions Signup and view all the answers

What does an increase in acidity of the blood indicate?

A decrease in pH level Signup and view all the answers

What is the first step in interpreting an arterial blood gas analysis?

Look at the pH to see if it is within the expected range Signup and view all the answers

Blood pH and Acid-Base Balance Quiz

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Questions and Answers

What is the expected normal range for human blood pH?

Which of the following processes helps maintain blood pH homeostasis?

What happens if blood pH goes below 6.9?

Which groups are most at risk for decompensation due to abnormal blood pH?

What laboratory test is used to interpret acid-base balance in the body?

What does PaCO2 indicate in an arterial blood gas analysis?

What is the expected range for HCO3– (bicarbonate) in a normal arterial blood gas analysis?

In respiratory disorders, how do the pH and PaCO2 levels change in relation to each other?

What does an increase in acidity of the blood indicate?

What is the first step in interpreting an arterial blood gas analysis?

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