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Quiz 2: Arterial Blood Gas Interpretation

Total questions: 40

Worksheet time: 51mins

Name
Class
Date
1.

pH 7.49

PaCO2 54 mm Hg

PaO2 189 mm Hg

HCO3 29 mEq/L

MV @ 70%

a)

PARTIALLY COMPENSATED METABOLIC ALKALOSIS WITH OVERLY CORRECTED HYPOXEMIA

b)

UNCOMPENSATED RESPIRATORY ACIDOSIS WITH NORMAL OXYGENATION

c)

FULLY COMPENSATED RESPIRATORY ACIDOSIS WITH OVERLY CORRECTED HYPOXEMIA

d)

NORMAL

2.

pH 7.19

PaCO2 54 mm Hg

PaO2 69 mm Hg

HCO3 26 mEq/L

FM @ 55%

a)

UNCOMPENSATED RESPIRATORY ACIDOSIS WITH NORMAL OXYGENATION

b)

UNCOMPENSATED RESPIRATORY ACIDOSIS WITH UNCORRECTED HYPOXEMIA

c)

FULLY COMPENSATED RESPIRATORY ALKALOSIS WITH OVERLY CORRECTED HYPOXEMIA

d)

PARTIALLY COMPENSATED METABOLIC ALKALOSIS WITH OVERLY CORRECTED HYPOXEMIA

3.

pH 7.18

PaCO2 33 mm Hg

PaO2 65 mm Hg

HCO3 16 mEq/L

ROOM AIR

a)

UNCOMPENSATED RESPIRATORY ACIDOSIS WITH NORMAL OXYGENATION

b)

UNCOMPENSATED RESPIRATORY ACIDOSIS WITH MODERATE HYPOXEMIA

c)

PARTIALLY COMPENSATED METABOLIC ACIDOSIS WITH MILD HYPOXEMIA

d)

PARTIALLY COMPENSATED METABOLIC ALKALOSIS WITH MILD HYPOXEMIA

4.

pH 7.28

PaCO2 29 mm Hg

PaO2 35 mm Hg

HCO3 17 mEq/L

ROOM AIR

a)

UNCOMPENSATED RESPIRATORY ACIDOSIS WITH NORMAL OXYGENATION

b)

UNCOMPENSATED RESPIRATORY ACIDOSIS WITH MODERATE HYPOXEMIA

c)

PARTIALLY COMPENSATED METABOLIC ACIDOSIS WITH SEVERE HYPOXEMIA

d)

PARTIALLY COMPENSATED METABOLIC ALKALOSIS WITH MILD HYPOXEMIA

5.

pH 7.35

PaCO2 59

HCO3 27

a)

PARTIALLY COMPENSATED

b)

FULLY COMPENSATED

c)

UNCOMPENSATED

6.

pH 7.34

PaCO2 59

HCO3 27

a)

METABOLIC ALKALOSIS

b)

RESPIRATORY ACIDOSIS

c)

MIXED RESPI/METAB ACIDOSIS

7.

pH 7.56

PaCO2 35

HCO3 29

a)

PARTIALLY COMPENSATED

b)

FULLY COMPENSATED

c)

UNCOMPENSATED

8.

pH 7.55

PaCO2 43

HCO3 27

a)

METABOLIC ALKALOSIS

b)

RESPIRATORY ACIDOSIS

c)

MIXED RESPI/METAB ACIDOSIS

9.

pH 7.28

PaCO2 34

HCO3 21

a)

PARTIALLY COMPENSATED

b)

FULLY COMPENSATED

c)

UNCOMPENSATED

10.

PaO2 90

SaO2 95

pH 7.48

PaCO2 32

HCO3 24

a)

Respiratory Acidosis

b)

Respiratory Alkalosis

c)

Metabolic Acidosis

d)

Metabolic Alkalosis

11.

PaO2 60

SaO2 90

pH 7.32

PaCO2 48

HCO3 25

a)

Respiratory Acidosis

b)

Respiratory Alkalosis

c)

Metabolic Acidosis

d)

Metabolic Alkalosis

12.

PaO2 95

SaO2 100

pH 7.30

PaCO2 40

HCO3 18

a)

Respiratory Acidosis

b)

Respiratory Alkalosis

c)

Metabolic Acidosis

d)

Metabolic Alkalosis

13.

PaO2 80

SaO2 94

pH 7.38

PaCO2 48

HCO3 28

a)

Compensated Respiratory Acidosis

b)

Compensated Respiratory Alkalosis

c)

Compensated Metabolic Acidosis

d)

Compensated Metabolic Alkalosis

14.

PaO2 93

SaO2 97

pH 7.45

PaCO2 47

HCO3 29

a)

Compensated Respiratory Acidosis

b)

Compensated Respiratory Alkalosis

c)

Compensated Metabolic Acidosis

d)

Compensated Metabolic Alkalosis

15.

PaO2 110

SaO2 100

pH 7.48

PaCO2 40

HCO3 30

a)

Respiratory Acidosis

b)

Respiratory Alkalosis

c)

Metabolic Acidosis

d)

Metabolic Alkalosis

16.
The patient whose blood that is most alkalotic would be the one with a pH of:
a)
 7.4
b)
6.9
c)
7.8
d)
7.6
17.
The nurse is caring for a client with a nasogastric tube that is attached to low suction. The nurse monitors the client, knowing that the client is at risk for which acid-base disorder?
a)
Metabolic acidosis 
b)
 Metabolic alkalosis 
c)
Respiratory acidosis
d)
Respiratory alkalosis 
18.
The normal pH range for blood is:
a)
7.0 - 7.25
b)
7.30 - 7.40
c)
7.35 - 7.45
d)
7.45 - 7.55
19.
The respiratory system compensates for changes in the pH level by responding to changes in the levels of:
a)
CO2
b)
 H2O
c)
H2CO3
d)
HCO3
20.
A patient with a prolonged episode of nausea, vomiting and diarrhea has an ABG ordered on admission. You might expect the results to show:
a)
Metabolic acidosis
b)
Metabolic alkalosis
c)
Respiratory acidosis
d)
Respiratory alkalosis
21.
Which of the following may be a reason to order an ABG on a patient?
a)
The patient suddenly develops shortness of breath
b)
An asthmatic is starting to show signs of tiring
c)
A diabetic has developed Kussmaul respirations
d)
All of the above
22.
You are reviewing the results of an ABG. When the pH and the PaCO2 values are moving in opposite directions, the primary problem is: 
a)
Respiratory
b)
Renal
c)
Metabolic
d)
Compensation
23.
pH 7.38 pCO2 38 HCO3 24
a)
Respiratory alkalosis
b)
Normal
c)
Metabolic alkalosis
d)
None of the above
24.

True or False? pH is inversely related with the partial pressure of CO2

a)

True

b)

False

25.

What is ABG?

a)

Atrial Blood Pressure

b)

Aortic Blood Gas

c)

Aortic Blood Glucose

d)

Arterial Blood Gas

26.

Commonly used artery for puncture in ABG?

a)

Radial artery

b)

Tibial artery

c)

Ulnar artery

d)

Pulmonary artery

27.

Normal PH level in blood?

a)

7.25- 7.3

b)

7.35- 7.45

c)

7.45- 7.55

d)

7.55- 7.65

28.

Hypoventilation seen in?

a)

Respiratory Alkalosis

b)

Respiratory Acidosis

c)

Metalbolic Acidosis

d)

Metabolic Alkalosis

29.

Hyperventilation seen in?

a)

Respiratory Acidosis

b)

Metabolic Acidosis

c)

Metabolic Alkalosis

d)

Respiratory Alkalosis

30.

What is a normal pH value?

a)

7.30-7.40

b)

7.34-7.49

c)

7.3-7.4

d)

7.35-7.45

31.

What is a normal HCO3 range?

a)

20-30MeQ/L

b)

22-26MeQ/L

c)

0.22-0.26MeQ/L

d)

18-22MeQ/L

32.

What is a normal CO2 range?

a)

35-45mmHg

b)

0.35-0.45mmHg

c)

30-40mmHg

d)

300-400mmHg

33.

pH- 7.31

CO2- 37 mmHg

HCO3- 18mEq/L

a)

Metabolic Acidosis with NO Compensation

b)

Metabolic Alkalosis with NO Compensation

c)

Metabolic Acidosis with Partial Compensation

d)

Respiratory Acidosis

34.

pH- 7.24

CO2- 27mmHg

HCO3- 11mEq/L

a)

Respiratory Acidosis

b)

Metabolic Alkalosis

with Full Compensation

c)

Metabolic Acidosis with Partial Compensation

d)

Metabolic Acidosis with NO Compensation

35.

pH- 7.29

CO2-62mmHg

HCO3- 29mEq/L

a)

Respiratory Acidosis with Partial Compensation

b)

Respiratory Alkalosis

c)

Respiratory Alkalosis with Partial Compensation

d)

Metabolic Acisosis with NO Compensation

36.

Which ABG shows Metabolic Alkalosis

a)

pH-7.52

CO2- 40

HCO3- 34

b)

pH-7.21

CO2-70

HCO3-21

c)

pH-7.55

CO2-20

HCO3-14

d)

pH- 7.35

CO2-40

HCO3-20

37.

Which ABG shows Respiratory Acidosis

a)

pH-7.20

CO2-46

HCO3-10

b)

pH-7.45

CO2-36

HCO3-20

c)

pH-7.15

Co2-99

HC03-28

d)

pH-7.25

CO2-35

HCO3-12

38.

You are an RN in the ICU and hear a high pressure alarm coming from an intubated patient. The monitor shows increased PIP, PaO2 75, & PaCO2 49. Upon assessment, the patient is displaying decreased breath sounds & unequal chest excursion. What priority intervention should occur next?

a)

Call a code & stay with the patient

b)

Call the physician & prepare for chest tube insertion

c)

Perform manual ventilation with an ambu bag

d)

Turn down vent settings & call the physician

e)

Disconnect the patient from the vent

39.

A patient with a history of COPD is receiving oxygen via nasal cannula at 6 L/min. ABG results are as follows: pH 7.28, PaCO2 60 mm Hg, PaO2 51 mm Hg, HCO3 18 mEq/L. Which priority intervention is indicated?

a)

Place the patient on a simple mask at 40% FiO2

b)

Intubate & place on mechanical ventilation

c)

Place the patient on BiPAP

d)

Place the patient on a non-rebreather mask

40.

A client with acute respiratory distress syndrome (ARDS) is on a ventilator. The client’s peak inspiratory pressures and spontaneous respiratory rate are increasing, and the PO2 is not improving. Using SBAR, the nurse calls the physician with the recommendation for:

a)

Initiation IV sedation

b)

Starting a high-protein diet

c)

Providing pain medication

d)

Increasing the ventilator rate

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