NR 341 Complex Adult Health Midterm Exam
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(Exam 2) Questions and Answers with Ration
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ales 2026 update b b
Hemodynamics
Shock (Septic, Hypovolemic, Cardiogenic)
b b b
Burns
Respiratory Failure b
Mechanical Ventilation b
MODS (Multiple Organ Dysfunction Syndrome)
b b b b
Dysrhythmias
Cardiovascular emergencies b
1. A client with chronic obstructive pulmonary disease (COPD) is receiving
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oxygen therapy. Which oxygen delivery device is most appropriate for this
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client?
A. Non-rebreather mask b
B. Simple face mask b b
,C. Nasal cannula b
D. Venturi mask b
ANS>>: D. Venturi mask
b b b
Rationale: The Venturi mask delivers precise oxygen concentrations and is ideal fo
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r COPD clients to avoid suppressing the respiratory drive.
b b b b b b b b
2. A client with heart failure is receiving furosemide IV. What is the priority assess
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ment?
A. Blood glucose b
B. Apical pulse b
C. Serum potassium b
D. Bowel sounds b
ANS>>: C. Serum potassium
b b b
Rationale: Furosemide is a loop diuretic that can cause hypokalemia. Monitor potas
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sium to prevent dysrhythmias.
b b b
3. Which ECG change is associated with hypokalemia?
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A. Peaked T waves b b
B. Prolonged PR interval b b
C. ST depression
b
D. Wide QRS complex b b
, ANS>>: C. ST depression
b b b
Rationale: Hypokalemia commonly causes ST depression, flattened T waves, and th
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e appearance of U waves.
b b b b
4. A nurse finds a patient post-
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op with a sudden onset of dyspnea, tachycardia, and sharp chest pain. What is t
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he most likely cause?
b b b
A. Pulmonary embolism b
B. Myocardial infarction b
C. Pneumonia
D. Pleural effusion b
ANS>>: A. Pulmonary embolism
b b b
Rationale: Sudden dyspnea, chest pain, and tachycardia post-
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op suggest a PE, a critical complication of immobility or DVT.
b b b b b b b b b b
5. Which sign is an early indicator of hypovolemic shock?
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A. Bradycardia
B. Cold, mottled skin
b b
C. Increased urine output b b
D. Restlessness
ANS>>: D. Restlessness
b b
Rationale: Early hypoxia from shock affects the brain first, leading to restlessness an
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d anxiety.
b
b b b b b b
(Exam 2) Questions and Answers with Ration
b b bb b b b b
ales 2026 update b b
Hemodynamics
Shock (Septic, Hypovolemic, Cardiogenic)
b b b
Burns
Respiratory Failure b
Mechanical Ventilation b
MODS (Multiple Organ Dysfunction Syndrome)
b b b b
Dysrhythmias
Cardiovascular emergencies b
1. A client with chronic obstructive pulmonary disease (COPD) is receiving
bb b b b b b b b b b b
oxygen therapy. Which oxygen delivery device is most appropriate for this
b b b b b b b b b b b
client?
A. Non-rebreather mask b
B. Simple face mask b b
,C. Nasal cannula b
D. Venturi mask b
ANS>>: D. Venturi mask
b b b
Rationale: The Venturi mask delivers precise oxygen concentrations and is ideal fo
b b b b b b b b b b b
r COPD clients to avoid suppressing the respiratory drive.
b b b b b b b b
2. A client with heart failure is receiving furosemide IV. What is the priority assess
b b b b b b b b b b b b b b
ment?
A. Blood glucose b
B. Apical pulse b
C. Serum potassium b
D. Bowel sounds b
ANS>>: C. Serum potassium
b b b
Rationale: Furosemide is a loop diuretic that can cause hypokalemia. Monitor potas
b b b b b b b b b b b
sium to prevent dysrhythmias.
b b b
3. Which ECG change is associated with hypokalemia?
b b b b b b
A. Peaked T waves b b
B. Prolonged PR interval b b
C. ST depression
b
D. Wide QRS complex b b
, ANS>>: C. ST depression
b b b
Rationale: Hypokalemia commonly causes ST depression, flattened T waves, and th
b b b b b b b b b b
e appearance of U waves.
b b b b
4. A nurse finds a patient post-
b b b b b
op with a sudden onset of dyspnea, tachycardia, and sharp chest pain. What is t
b b b b b b b b b b b b b b
he most likely cause?
b b b
A. Pulmonary embolism b
B. Myocardial infarction b
C. Pneumonia
D. Pleural effusion b
ANS>>: A. Pulmonary embolism
b b b
Rationale: Sudden dyspnea, chest pain, and tachycardia post-
b b b b b b b
op suggest a PE, a critical complication of immobility or DVT.
b b b b b b b b b b
5. Which sign is an early indicator of hypovolemic shock?
b b b b b b b b
A. Bradycardia
B. Cold, mottled skin
b b
C. Increased urine output b b
D. Restlessness
ANS>>: D. Restlessness
b b
Rationale: Early hypoxia from shock affects the brain first, leading to restlessness an
b b b b b b b b b b b b
d anxiety.
b