NSG 316 Exam 3 Health
Assessment Actual Questions &
Rationalized Answers – GCU
1. Which structure is the myocardium?
A. The protective sac surrounding the heart
B. The muscular layer of the heart
C. The inner lining of heart chambers
D. The outer fibrous covering
Correct Answer B
Rationale: The myocardium is the heart muscle responsible for pumping blood. It surrounds the
atria and ventricles.
2. Why are the atria thinner than the ventricles?
A. They receive less oxygen
B. They pump blood only short distances
C. They are non-contractile
D. They are filled with valves
Correct Answer B
Rationale: Atria pump blood into the ventricles with less force compared to ventricles pumping
blood systemically.
3. The pericardium functions primarily to:
A. Pump blood
B. Line the heart chambers
C. Protect the heart from injury and infection
D. Control heart rhythm
,Correct Answer C
4. The endocardium is best described as:
A. A muscle layer
B. A fibrous sac
C. A three-layered membrane lining heart chambers
D. A valve structure
Correct Answer C
5. Blockage of coronary arteries most directly leads to:
A. Heart murmur
B. Heart attack or stroke
C. Hypertension
D. Cardiomegaly
Correct Answer B
6. Heart failure is characterized by:
A. Decreased cardiac workload
B. Increased pressure from cardiac overload
C. Decreased blood volume
D. Slowed heart rate
Correct Answer B
7. Pulmonary congestion occurs in heart failure due to:
A. Decreased lung elasticity
B. Increased blood in pulmonary capillaries
, C. Reduced oxygen diffusion
D. Airway obstruction
Correct Answer B
8. Left-sided heart failure most commonly presents with:
A. Peripheral edema
B. Jugular vein distention
C. Dyspnea and pulmonary edema
D. Abdominal ascites
Correct Answer C
9. Right-sided heart failure primarily results in:
A. Pulmonary edema
B. Peripheral blood backup and edema
C. Decreased lung sounds
D. Chest pain
Correct Answer B
10. Cardiomegaly refers to:
A. Inflammation of the heart
B. Heart muscle atrophy
C. Enlargement of the heart due to overwork
D. Valve stenosis
Correct Answer C
11. Frequency of a heart sound refers to its:
Assessment Actual Questions &
Rationalized Answers – GCU
1. Which structure is the myocardium?
A. The protective sac surrounding the heart
B. The muscular layer of the heart
C. The inner lining of heart chambers
D. The outer fibrous covering
Correct Answer B
Rationale: The myocardium is the heart muscle responsible for pumping blood. It surrounds the
atria and ventricles.
2. Why are the atria thinner than the ventricles?
A. They receive less oxygen
B. They pump blood only short distances
C. They are non-contractile
D. They are filled with valves
Correct Answer B
Rationale: Atria pump blood into the ventricles with less force compared to ventricles pumping
blood systemically.
3. The pericardium functions primarily to:
A. Pump blood
B. Line the heart chambers
C. Protect the heart from injury and infection
D. Control heart rhythm
,Correct Answer C
4. The endocardium is best described as:
A. A muscle layer
B. A fibrous sac
C. A three-layered membrane lining heart chambers
D. A valve structure
Correct Answer C
5. Blockage of coronary arteries most directly leads to:
A. Heart murmur
B. Heart attack or stroke
C. Hypertension
D. Cardiomegaly
Correct Answer B
6. Heart failure is characterized by:
A. Decreased cardiac workload
B. Increased pressure from cardiac overload
C. Decreased blood volume
D. Slowed heart rate
Correct Answer B
7. Pulmonary congestion occurs in heart failure due to:
A. Decreased lung elasticity
B. Increased blood in pulmonary capillaries
, C. Reduced oxygen diffusion
D. Airway obstruction
Correct Answer B
8. Left-sided heart failure most commonly presents with:
A. Peripheral edema
B. Jugular vein distention
C. Dyspnea and pulmonary edema
D. Abdominal ascites
Correct Answer C
9. Right-sided heart failure primarily results in:
A. Pulmonary edema
B. Peripheral blood backup and edema
C. Decreased lung sounds
D. Chest pain
Correct Answer B
10. Cardiomegaly refers to:
A. Inflammation of the heart
B. Heart muscle atrophy
C. Enlargement of the heart due to overwork
D. Valve stenosis
Correct Answer C
11. Frequency of a heart sound refers to its:
