WCU Pathophysiology (MIDTERM) Exam
Questions and Answers
A patient is diagnosed with heart failure with normal ejection fraction. This
patient is most likely characterized by a(n) - ans-elderly woman without a
previous history of MI.
In which dysrhythmias should treatment be instituted immediately? - ans-Atrial
fibrillation with a ventricular rate of 220 beats/minute
Aortic regurgitation is associated with - ans-diastolic murmur.
Mitral stenosis is associated with - ans-a pressure gradient across the mitral valve.
First-degree heart block is characterized by - ans-prolonged PR interval.
Which blood pressure reading is considered to be indicative of prehypertension
according to the JNC-7 criteria? - ans-128/82
Increased preload of the cardiac chambers may lead to which patient symptom? -
ans-Edema
Beta-blockers are advocated in the management of heart failure because they -
ans-reduce cardiac output.
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Hypotension associated with neurogenic and anaphylactic shock is because of -
ans-peripheral pooling of blood.
While hospitalized, an elderly patient with a history of myocardial infarction was
noted to have high levels of low-density lipoproteins (LDLs). What is the
significance of this finding? - ans-Increased LDL levels are associated with
increased risk of coronary artery disease.
Hypertension is closely linked to - ans-obstructive sleep apnea.
In which stage of shock is a patient who has lost 1200 mL of blood, who has
normal blood pressure when supine, but who experiences orthostatic
hypotension upon standing? - ans-Class II, Compensated Stage
Administration of which therapy is most appropriate for hypovolemic shock? -
ans-Crystalloids
Which finding is indicative of orthostatic hypotension in a person with a supine
blood pressure (BP) of 110/70 and a heart rate (HR) of 100? - ans-Sitting BP
88/60, HR 118
A patient is diagnosed with cardiogenic shock. The patient is hyperventilating and
is therefore at risk for the respiratory complication of respiratory acidosis. - ans-
False
A patient diagnosed with cardiogenic shock who is hyperventilating is at risk for
respiratory alkalosis.