NURS 301
Cardiovascular Disorders
Pathophysiology Specialty Review
100 Questions with Answers and Rationales
,1. A patient with left-sided heart failure develops pulmonary edema. Which
mechanism explains this finding?
A. Increased pressure causes fluid to move into pulmonary tissues
B. Reduced blood volume prevents lung circulation
C. Airway inflammation blocks all oxygen movement
D. The immune system destroys alveoli
Correct Answer: A
Rationale: Left-sided heart failure causes blood to back up into pulmonary circulation,
increasing pressure and promoting fluid accumulation.
2. Atherosclerosis increases the risk of myocardial infarction because it causes:
A. Narrowing of arteries due to plaque buildup
B. Complete elimination of blood flow regulation
C. Increased oxygen delivery to cardiac tissue
D. Permanent reduction of blood clot formation
Correct Answer: A
Rationale: Atherosclerotic plaques narrow coronary arteries and may rupture, causing
thrombosis and reduced oxygen supply to the myocardium.
3. A patient experiences chest pain due to myocardial ischemia. The primary
pathophysiologic problem is:
A. An imbalance between myocardial oxygen supply and demand
B. Excess production of cardiac hormones
C. Increased lung ventilation
D. Loss of immune function
Correct Answer: A
Rationale: Myocardial ischemia occurs when cardiac muscle does not receive enough
oxygen for its metabolic needs.
4. Chronic hypertension contributes to cardiovascular disease by causing:
A. Increased vascular stress and cardiac workload
B. Reduced blood pressure regulation needs
C. Permanent dilation of all arteries
D. Improved cardiac efficiency
,Correct Answer: A
Rationale: Persistent elevated pressure damages vessels and increases workload on the
heart, contributing to structural changes.
5. A patient with right-sided heart failure develops peripheral edema. Which
process explains this finding?
A. Systemic venous congestion causes fluid accumulation
B. Pulmonary oxygen exchange increases
C. Kidney function always improves
D. Blood volume immediately decreases
Correct Answer: A
Rationale: Right-sided heart failure causes blood to accumulate in systemic veins,
increasing hydrostatic pressure and causing edema.
6. Which statement best explains the pathophysiologic importance of cardiac output
regulation?
A. It describes a mechanism that affects cardiovascular function and patient outcomes
B. It has no relationship to cardiovascular disease processes
C. It prevents all cardiovascular complications
D. It eliminates the need for patient assessment
Correct Answer: A
Rationale: Understanding cardiac output regulation helps nurses connect cardiovascular
mechanisms with clinical findings, disease progression, and care priorities.
7. Which statement best explains the pathophysiologic importance of preload and
afterload?
A. It describes a mechanism that affects cardiovascular function and patient outcomes
B. It has no relationship to cardiovascular disease processes
C. It prevents all cardiovascular complications
D. It eliminates the need for patient assessment
Correct Answer: A
, Rationale: Understanding preload and afterload helps nurses connect cardiovascular
mechanisms with clinical findings, disease progression, and care priorities.
8. Which statement best explains the pathophysiologic importance of myocardial
infarction?
A. It describes a mechanism that affects cardiovascular function and patient outcomes
B. It has no relationship to cardiovascular disease processes
C. It prevents all cardiovascular complications
D. It eliminates the need for patient assessment
Correct Answer: A
Rationale: Understanding myocardial infarction helps nurses connect cardiovascular
mechanisms with clinical findings, disease progression, and care priorities.
9. Which statement best explains the pathophysiologic importance of arrhythmia
development?
A. It describes a mechanism that affects cardiovascular function and patient outcomes
B. It has no relationship to cardiovascular disease processes
C. It prevents all cardiovascular complications
D. It eliminates the need for patient assessment
Correct Answer: A
Rationale: Understanding arrhythmia development helps nurses connect cardiovascular
mechanisms with clinical findings, disease progression, and care priorities.
10. Which statement best explains the pathophysiologic importance of valvular
disease?
A. It describes a mechanism that affects cardiovascular function and patient outcomes
B. It has no relationship to cardiovascular disease processes
C. It prevents all cardiovascular complications
D. It eliminates the need for patient assessment
Correct Answer: A
Cardiovascular Disorders
Pathophysiology Specialty Review
100 Questions with Answers and Rationales
,1. A patient with left-sided heart failure develops pulmonary edema. Which
mechanism explains this finding?
A. Increased pressure causes fluid to move into pulmonary tissues
B. Reduced blood volume prevents lung circulation
C. Airway inflammation blocks all oxygen movement
D. The immune system destroys alveoli
Correct Answer: A
Rationale: Left-sided heart failure causes blood to back up into pulmonary circulation,
increasing pressure and promoting fluid accumulation.
2. Atherosclerosis increases the risk of myocardial infarction because it causes:
A. Narrowing of arteries due to plaque buildup
B. Complete elimination of blood flow regulation
C. Increased oxygen delivery to cardiac tissue
D. Permanent reduction of blood clot formation
Correct Answer: A
Rationale: Atherosclerotic plaques narrow coronary arteries and may rupture, causing
thrombosis and reduced oxygen supply to the myocardium.
3. A patient experiences chest pain due to myocardial ischemia. The primary
pathophysiologic problem is:
A. An imbalance between myocardial oxygen supply and demand
B. Excess production of cardiac hormones
C. Increased lung ventilation
D. Loss of immune function
Correct Answer: A
Rationale: Myocardial ischemia occurs when cardiac muscle does not receive enough
oxygen for its metabolic needs.
4. Chronic hypertension contributes to cardiovascular disease by causing:
A. Increased vascular stress and cardiac workload
B. Reduced blood pressure regulation needs
C. Permanent dilation of all arteries
D. Improved cardiac efficiency
,Correct Answer: A
Rationale: Persistent elevated pressure damages vessels and increases workload on the
heart, contributing to structural changes.
5. A patient with right-sided heart failure develops peripheral edema. Which
process explains this finding?
A. Systemic venous congestion causes fluid accumulation
B. Pulmonary oxygen exchange increases
C. Kidney function always improves
D. Blood volume immediately decreases
Correct Answer: A
Rationale: Right-sided heart failure causes blood to accumulate in systemic veins,
increasing hydrostatic pressure and causing edema.
6. Which statement best explains the pathophysiologic importance of cardiac output
regulation?
A. It describes a mechanism that affects cardiovascular function and patient outcomes
B. It has no relationship to cardiovascular disease processes
C. It prevents all cardiovascular complications
D. It eliminates the need for patient assessment
Correct Answer: A
Rationale: Understanding cardiac output regulation helps nurses connect cardiovascular
mechanisms with clinical findings, disease progression, and care priorities.
7. Which statement best explains the pathophysiologic importance of preload and
afterload?
A. It describes a mechanism that affects cardiovascular function and patient outcomes
B. It has no relationship to cardiovascular disease processes
C. It prevents all cardiovascular complications
D. It eliminates the need for patient assessment
Correct Answer: A
, Rationale: Understanding preload and afterload helps nurses connect cardiovascular
mechanisms with clinical findings, disease progression, and care priorities.
8. Which statement best explains the pathophysiologic importance of myocardial
infarction?
A. It describes a mechanism that affects cardiovascular function and patient outcomes
B. It has no relationship to cardiovascular disease processes
C. It prevents all cardiovascular complications
D. It eliminates the need for patient assessment
Correct Answer: A
Rationale: Understanding myocardial infarction helps nurses connect cardiovascular
mechanisms with clinical findings, disease progression, and care priorities.
9. Which statement best explains the pathophysiologic importance of arrhythmia
development?
A. It describes a mechanism that affects cardiovascular function and patient outcomes
B. It has no relationship to cardiovascular disease processes
C. It prevents all cardiovascular complications
D. It eliminates the need for patient assessment
Correct Answer: A
Rationale: Understanding arrhythmia development helps nurses connect cardiovascular
mechanisms with clinical findings, disease progression, and care priorities.
10. Which statement best explains the pathophysiologic importance of valvular
disease?
A. It describes a mechanism that affects cardiovascular function and patient outcomes
B. It has no relationship to cardiovascular disease processes
C. It prevents all cardiovascular complications
D. It eliminates the need for patient assessment
Correct Answer: A
