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1. The Client Is Asking The Nurse A Question Regarding The Mantoux Test For Tuberculosis. The
Nurse Should Base Her Response On The Fact That The:
A. Area Of Redness Is Measured In 3 Days And Determines Whether Tuberculosis Is Present.
B. Skin Test Doesn't Differentiate Between Active And Dormant Tuberculosis Infection.
C. Presence Of A Wheal At The Injection Site In 2 Days Indicates Active Tuberculosis.
D. Test Stimulates A Reddened Response In Some Clients And Requires A Second Test In 3
Months.
1. ANSWER: B
The Mantoux Test Doesn't Differentiate Between Active And Dormant Infections. If A Positive
Reaction Occurs, A Sputum Smear And Culture As Well As A Chest X-Ray Are Necessary To
Provide More Information. Although The Area Of Redness Is Measured In 3 Days, A Second Test
May Be Needed; Neither Test Indicates That Tuberculosis Is Active. In The Mantoux Test, An
Induration 5 To 9 Mm In Diameter Indicates A Borderline Reaction; A Larger Induration Indicates
A Positive Reaction. The Presence Of A Wheal Within 2 Days Doesn't Indicate Active
Tuberculosis.
2. A Client Hospitalized With A Pneumothorax Has The Following Arterial Blood Gas (ABG)
Analysis: Ph, 7.19; Partial Pressure Of Arterial Carbon Dioxide (Paco2), 63 Mm Hg; And HCO3-,
22 Meq/L. A Chest Tube Was Inserted And Oxygen Administered At 4 L/Minute By Nasal
Cannula. One Hour After The Initiation Of Treatment, ABG Analysis Reveals: Ph, 7.28; Paco2, 52
Mm Hg; And HCO3-, 22 Meq/L. This Change In ABG Analysis Indicates:
A. Respiratory Alkalosis.
, B. Impending Respiratory Arrest.
C. The Need For Intubation.
D. Improved Respiratory Status.
2. ANSWER: D
The Original ABG Analysis Reveals Respiratory Acidosis Commonly Seen With A Pneumothorax.
After Chest Tube Insertion, The Client's Respiratory Status Has Improved, Ph Is Increasing
Toward Normal, And The Paco2 Is Decreasing. ABG Analysis In Respiratory Alkalosis Shows An
Elevated Ph And A Low Paco2. Assessment Findings Are More Important Than ABG Analysis In
Determining Whether The Client Requires Intubation Or If Respiratory Arrest Is Imminent.
3. A Client Is Admitted To The Intensive Care Unit With Pulmonary Edema. When Performing
The Admission Assessment, The Nurse Should Expect:
A. A Decreased Blood Pressure
B. Radiating Anterior Chest Pain
C. A Pulse That Is Weak And Rapid
D. Crackles At The Base Of Each Lung
3. ANSWER: D
Crackles Are The Sound Of Air Passing Through Fluid In The Alveolar Spaces; In Pulmonary
Edema, Fluid Moves From The Intravascular Compartment Into The Alveoli.
A: The Blood Pressure Is Usually Increased With Hypervolemia.
B: This Would Occur With Angina Or A Myocardial Infarction.
C: The Pulse Would Be Bounding With Hypervolemia.