Acid-Base Balance and Arterial Blood Gases Quiz

Explore ABG analysis, pH ranges, compensatory mechanisms, and buffer systems. Take the quiz now!

Practice Learn Test

What is the primary function of arterial blood gases (ABGs) in the body?

To measure oxygen saturation

To assess acid-base balance

To monitor glucose levels

To evaluate kidney function

Which of the following is NOT a component of arterial blood gas (ABG) analysis?

Carbon dioxide (CO2)

Bicarbonate (HCO3-)

Glucose

What is the normal range for arterial blood pH in humans?

6.5 - 7.0

7.35 - 7.45

7.55 - 8.0

8.5 - 9.0

In respiratory acidosis, what would you expect to find in arterial blood gas (ABG) analysis?

Increased pH, increased PaCO2, increased HCO3-

Decreased pH, decreased PaCO2, decreased HCO3-

Decreased pH, increased PaCO2, increased HCO3-

Increased pH, decreased PaCO2, decreased HCO3-

Which of the following compensatory mechanisms occurs in respiratory acidosis?

Increased respiratory rate

Decreased respiratory rate

Decreased renal excretion of bicarbonate

Increased renal excretion of bicarbonate

What is the normal range for partial pressure of oxygen (PaO2) in arterial blood?

80 - 100 mmHg

30 - 50 mmHg

150 - 200 mmHg

40 - 70 mmHg

What is the Henderson-Hasselbalch equation used for?

To calculate the solubility of gases in a liquid

To predict the pH of a buffer solution

To determine the rate of diffusion of gases

To measure the osmotic pressure of a solution

Which of the following is a cause of respiratory alkalosis?

Pulmonary edema

Hyperventilation

Chronic obstructive pulmonary disease (COPD)

Pneumonia

Which condition would likely result in metabolic alkalosis?

Renal failure

Hypoventilation

Diabetic ketoacidosis

Vomiting

#10

Which of the following conditions is characterized by metabolic acidosis?

COPD exacerbation

Salicylate poisoning

Pneumothorax

Pulmonary embolism

#11

What does the anion gap represent in the context of acid-base balance?

The concentration of cations in plasma

The difference between measured cations and measured anions

The concentration of anions in plasma

The difference between pH and bicarbonate levels

#12

Which of the following is a characteristic of respiratory alkalosis?

Decreased pH, increased PaCO2, increased HCO3-

Increased pH, decreased PaCO2, decreased HCO3-

Decreased pH, decreased PaCO2, increased HCO3-

Increased pH, increased PaCO2, decreased HCO3-

#13

In metabolic acidosis, what compensatory mechanism occurs?

Decreased respiratory rate

Increased renal excretion of bicarbonate

Increased respiratory rate

Decreased renal excretion of bicarbonate

#14

Which condition would likely result in respiratory acidosis?

Hyperventilation

Anxiety

Asthma exacerbation

Opioid overdose