UNIT 4 CHAPTER 14 Acid Base (ABG'S) Refresher

Question 1

ACID-BASE IMBALANCE NORMAL VALUES

Answer 1

Normal pH: 7.35-7.45
* Normal CO2 : 35-45
* Normal PaCO2 - 35-45 mmHg (estimates CO2
exchange)
* Normal PaO2 - 80-100 mmHg
* Normal HCO3: 22-28 mEq-L
* O2 Saturation- 95-100%

Question 2

pH: 7.37
CO2: 38 mmHg
HCO3: 25 mEq/L

A.Respiratory acidosis

B. Respiratory alkalosis

C. Metabolic acidosis

D. Metabolic alkalosis

E. Normal

Answer 2

E. Normal

Question 3

pH: 7.33
CO2: 48 mmHg
HCO3: 24mEq/L

A. Normal

B. Respiratory acidosis

C. Respiratory alkalosis

D. Metabolic acidosis

E. Metabolic alkalosis

Answer 3

B. Respiratory acidosis

Question 4

pH: 7.32
CO2: 52 mmHg
HCO3: 28 mEq/L

A. Normal

B. Respiratory acidosis

C. Respiratory alkalosis

D. Metabolic acidosis

E. Metabolic alkalosis

Answer 4

B. Respiratory acidosis

Question 5

Interpret Lab Results

pH: 7.31
CO2: 38 mmHg
HCO3: 20 mEq/L

A. Normal

B. Respiratory acidosis

C. Respiratory alkalosis

D. Metabolic acidosis

E. Metabolic alkalosis

Answer 5

D. Metabolic acidosis

Question 6

Interpret Lab Results

pH: 7.20
CO2: 42 mmHg
HCO3: 18 mEq/L

A. Normal

B. Respiratory acidosis

C. Respiratory alkalosis

D. Metabolic acidosis

E. Metabolic alkalosis

Answer 6

D. Metabolic acidosis

Question 7

Interpret Lab Results

pH: 7.39
CO2: 39mmHg
HCO3: 27 mEq/L

A. Normal

B. Respiratory acidosis

C. Respiratory alkalosis

D. Metabolic acidosis

E. Metabolic alkalosis

Answer 7

A. Normal

Question 8

Interpret the following ABG results

pH: 7.31
CO2: 43 mmHg
HCO3: 19 mEq/L

A. Normal

B. Respiratory acidosis

C. Respiratory alkalosis

D. Metabolic acidosis

E. Metabolic alkalosis

Answer 8

D. Metabolic acidosis

Question 9

Interpret the following ABG results

pH: 7.30
CO2: 48 mmHg
HCO3: 27 mEq/L

A. Normal

B. Respiratory acidosis

C. Respiratory alkalosis

D. Metabolic acidosis

E. Metabolic alkalosis

Answer 9

B. Respiratory acidosis

Question 10

Interpret the following ABG results

pH: 7.32
CO2: 52 mmHg
HCO3: 24 mEq/L

A. Normal

B. Respiratory acidosis

C. Respiratory alkalosis

D. Metabolic acidosis

E. Metabolic alkalosis

Answer 10

B. Respiratory acidosis

Question 11

Interpret the following ABG results

pH: 7.33
CO2: 40 mmHg
HCO3: 20 mEq/L

A. Normal

B. Respiratory acidosis

C. Respiratory alkalosis

D. Metabolic acidosis

E. Metabolic alkalosis

Answer 11

D. Metabolic acidosis

Question 12

1. pH -7.49. CO2- 35 HCO3 29
2. pH- 7.47 CO2- 37 HC03- 32
3. pH- 7.31 CO2- 42 HCO3- 20
4. pH- 7.30 CO2 -40 HCO3 -19
5. pH- 7.33. CO2 - 44 HCO3 -21
6. pH -7.48 CO2- 38 HCO3 -33

Answer 12

1. Metabolic Alkalosis
2. Metabolic Alkalosis
3. Metabolic Acidiosis
4. Metabolic Acidosis
5. Metabolic Acidosis
6. Metabolic Alkalosis