|Maryville
1. When assessing for the S3 heart sound, the clinician knows that this sound is
most commonly associated with which physiological or pathological state?
A. Early sign of heart failure in adults
B. Normal finding in elderly patients
C. Closure of the semilunar valves
D. Atrial contraction against a stiff ventricle
Answer: A
Rationale: S3 is often called a ventricular gallop and is a sign of ventricular overfilling or
poor distensibility, frequently associated with heart failure in older adults. It is considered
normal in children and athletes.
2. Which of the following descriptions best characterizes Pectus Excavatum?
A. A forward protrusion of the sternum
B. A markedly sunken sternum and adjacent cartilages
C. A lateral deviation of the spinal column
D. An increased anteroposterior diameter of the chest
Answer: B
Rationale: Pectus excavatum is a congenital deformity where the sternum is depressed or
sunken into the chest. Pectus carinatum is the forward protrusion (pigeon chest).
,3. A grade 4 murmur is distinguished from a grade 3 murmur by the presence of
which clinical finding?
A. A palpable thrill
B. Increased loudness heard with the stethoscope off the chest
C. Radiation to the carotid arteries
D. Presence of a midsystolic click
Answer: A
Rationale: On the Levine scale, a Grade 4 murmur is the first level at which a palpable thrill
is detectable.
4. In a patient with lobar pneumonia, the clinician would expect to find which of
the following during the respiratory assessment?
A. Decreased tactile fremitus
B. Hyperresonant percussion notes
C. Increased tactile fremitus
D. Vesicular breath sounds over the affected area
Answer: C
Rationale: Consolidation, such as in pneumonia, increases the density of the lung tissue,
which enhances the transmission of vibrations, resulting in increased tactile fremitus.
5. The S1 heart sound is primarily produced by the:
A. Closure of the mitral and tricuspid valves
B. Opening of the mitral and tricuspid valves
C. Closure of the aortic and pulmonic valves
D. Vibration of the ventricular walls during rapid filling
Answer: A
Rationale: S1 marks the beginning of systole and is caused by the closure of the
atrioventricular (mitral and tricuspid) valves.
, 6. Which clinical sign is most indicative of right-sided heart failure?
A. Jugular venous distention (JVD)
B. Pulmonary crackles
C. Paroxysmal nocturnal dyspnea
D. Hemoptysis
Answer: A
Rationale: Right-sided heart failure leads to systemic venous congestion, manifesting as
JVD, peripheral edema, and hepatomegaly. Pulmonary signs are typical of left-sided failure.
7. Where is the Point of Maximal Impulse (PMI) normally located in a healthy
adult?
A. Second intercostal space, right sternal border
B. Fourth intercostal space, left sternal border
C. Fifth intercostal space, left midaxillary line
D. Fifth intercostal space, left midclavicular line
Answer: D
Rationale: The PMI, representing the cardiac apex, is typically found at the 5th left
intercostal space at the midclavicular line.
8. To auscultate the aortic valve area, the stethoscope should be placed at the:
A. Second left intercostal space
B. Second right intercostal space
C. Fourth left intercostal space
D. Fifth left intercostal space
Answer: B
Rationale: The aortic area is located at the second intercostal space to the right of the
sternum.