Question 1

A patient is admitted with signs and symptoms of a pulmonary embolus (PE).What diagnostic test most conclusive to determine this diagnosis?

Accepted Answer

A)  ABG 
B)  Bronchoscopy 
C)  Pulmonary function test 
D)  V/Q scan 
A)  ABG 
B)  Bronchoscopy 
C)  Pulmonary function test 
D)  V/Q scan

Question 2

Determination of oxygenation status by oxygen saturation alone is inadequate.What other value must be known?

Accepted Answer

A)  pH 
B)  PaCO₂ 
C) HCO₃¯ 
D)  Hemoglobin (Hgb) 
A)  pH 
B)  PaCO₂ 
C) HCO₃¯ 
D)  Hemoglobin (Hgb)

Question 3

Nursing management of a patient undergoing a diagnostic procedure entails what nursing actions?

Accepted Answer

A)  Positioning the patient for the procedure 
B)  Monitoring the patient's responses to the procedure 
C)  Monitoring vital signs 
D)  Teaching the patient about the procedure 
E)  Medicating the patient before and after procedure 
A)  Positioning the patient for the procedure 
B)  Monitoring the patient's responses to the procedure 
C)  Monitoring vital signs 
D)  Teaching the patient about the procedure 
E)  Medicating the patient before and after procedure

Question 4

A patient presents with the following arterial blood gas (ABG)values: pH,7.20; PaO₂,106 mm Hg; PaCO₂,35 mm Hg; andHCO₃¯ ,11 mEq/L.What is the interpretation of the patient's ABG?

Accepted Answer

A)  Uncompensated respiratory acidosis 
B)  Uncompensated metabolic acidosis 
C)  Uncompensated metabolic alkalosis 
D)  Uncompensated respiratory alkalosis 
A)  Uncompensated respiratory acidosis 
B)  Uncompensated metabolic acidosis 
C)  Uncompensated metabolic alkalosis 
D)  Uncompensated respiratory alkalosis

Question 5

Which blood gas parameter is the acid-base component that reflects kidney function?

Accepted Answer

A)  pH 
B)  PaO₂ 
C)  PaCO₂ 
D)  HCO₃¯ 
A)  pH 
B)  PaO₂ 
C)  PaCO₂ 
D)  HCO₃¯

Question 6

Ventilation-perfusion (V/Q)scans are ordered to evaluate the possibility of which of the following?

Accepted Answer

A)  Pulmonary emboli 
B)  Acute myocardial infarction 
C)  Emphysema 
D)  Acute respiratory distress syndrome 
A)  Pulmonary emboli 
B)  Acute myocardial infarction 
C)  Emphysema 
D)  Acute respiratory distress syndrome

Question 7

A 75-kg patient is on a ventilator and may be ready for extubation.A respiratory therapist assesses the patient's rapid shallow breathing index (RSBI).Which result best suggests that the patient is ready for a spontaneous breathing trial?

Accepted Answer

A)  RSBI = 150 
B)  RSBI = 125 
C)  RSBI = 110 
D)  RSBI = 90 
A)  RSBI = 150 
B)  RSBI = 125 
C)  RSBI = 110 
D)  RSBI = 90

Question 8

A patient with chronic obstructive pulmonary disease (COPD)requires intubation.After the practitioner intubates the patient,the nurse auscultates for breath sounds.Breath sounds are questionable in this patient.Which action would best assist in determining endotracheal tube placement in this patient?

Accepted Answer

A)  Stat chest radiographic examination 
B)  End-tidal CO₂ monitor 
C)  Ventilation-perfusion (V/Q) scan 
D)  Pulmonary artery catheter insertion 
A)  Stat chest radiographic examination 
B)  End-tidal CO₂ monitor 
C)  Ventilation-perfusion (V/Q) scan 
D)  Pulmonary artery catheter insertion

Question 9

Which arterial blood gas (ABG)values represent uncompensated metabolic acidosis?

Accepted Answer

A)  pH, 7.29; PaCO₂, 57 mm Hg;HCO₃¯ , 22 mEq/L 
B)  pH, 7.36; PaCO₂, 33 mm Hg;HCO₃¯, 18 mEq/L 
C)  pH, 7.22; PaCO₂, 42 mm Hg;HCO₃¯, 18 mEq/L 
D)  pH, 7.52; PaCO₂, 38 mm Hg;HCO₃¯ , 29 mEq/L 
A)  pH, 7.29; PaCO₂, 57 mm Hg;HCO₃¯ , 22 mEq/L 
B)  pH, 7.36; PaCO₂, 33 mm Hg;HCO₃¯, 18 mEq/L 
C)  pH, 7.22; PaCO₂, 42 mm Hg;HCO₃¯, 18 mEq/L 
D)  pH, 7.52; PaCO₂, 38 mm Hg;HCO₃¯ , 29 mEq/L

Question 10

What risk factors need to be considered when preparing a patient for a thoracentesis?

Accepted Answer

A)  Coagulation defects 
B)  Unstable hemodynamics 
C)  Pleural effusion 
D)  Uncooperative patient 
E)  Empyema 
A)  Coagulation defects 
B)  Unstable hemodynamics 
C)  Pleural effusion 
D)  Uncooperative patient 
E)  Empyema

Exam 18: Pulmonary Diagnostic Procedures

A patient is admitted with signs and symptoms of a pulmonary embolus (PE).What diagnostic test most conclusive to determine this diagnosis?

Determination of oxygenation status by oxygen saturation alone is inadequate.What other value must be known?

Nursing management of a patient undergoing a diagnostic procedure entails what nursing actions?

A patient presents with the following arterial blood gas (ABG)values: pH,7.20; PaO₂,106 mm Hg; PaCO₂,35 mm Hg; andHCO₃¯ ,11 mEq/L.What is the interpretation of the patient's ABG?

Which blood gas parameter is the acid-base component that reflects kidney function?

Ventilation-perfusion (V/Q)scans are ordered to evaluate the possibility of which of the following?

A 75-kg patient is on a ventilator and may be ready for extubation.A respiratory therapist assesses the patient's rapid shallow breathing index (RSBI).Which result best suggests that the patient is ready for a spontaneous breathing trial?

Which arterial blood gas (ABG)values represent uncompensated metabolic acidosis?

What risk factors need to be considered when preparing a patient for a thoracentesis?

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