WCU Pathophysiology Midterm Exam COMPLETE Questions and Verified Solutions Latest Update This Year

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WCU Pathophysiology Midterm
Exam COMPLETE Questions and
Verified Solutions Latest Update
This Year

QUESTION: 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? - ANSWER-Increased LDL levels are associated with increased risk of coronary artery

disease.




QUESTION: Hypertension is closely linked to - ANSWER-obstructive sleep apnea.




QUESTION: 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? -

ANSWER-Class II, Compensated Stage




QUESTION: Administration of which therapy is most appropriate for hypovolemic shock? -

ANSWER-Crystalloids




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QUESTION: 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? - ANSWER-Sitting BP 88/60, HR 118




QUESTION: A patient is diagnosed with cardiogenic shock. The patient is hyperventilating and is

therefore at risk for the respiratory complication of respiratory acidosis. - ANSWER-False


A patient diagnosed with cardiogenic shock who is hyperventilating is at risk for respiratory

alkalosis.




A patient is diagnosed with heart failure with normal ejection fraction. This patient is most

likely characterized by a(n) - ANSWER-elderly woman without a previous history of MI.




QUESTION: In which dysrhythmias should treatment be instituted immediately? - ANSWER-

Atrial fibrillation with a ventricular rate of 220 beats/minute




QUESTION: Aortic regurgitation is associated with - ANSWER-diastolic murmur.




QUESTION: Mitral stenosis is associated with - ANSWER-a pressure gradient across the mitral

valve.


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QUESTION: First-degree heart block is characterized by - ANSWER-prolonged PR interval.




QUESTION: Which blood pressure reading is considered to be indicative of prehypertension

according to the JNC-7 criteria? - ANSWER-128/82




QUESTION: Increased preload of the cardiac chambers may lead to which patient symptom? -

ANSWER-Edema




QUESTION: Beta-blockers are advocated in the management of heart failure because they -

ANSWER-reduce cardiac output.




QUESTION: Hypotension associated with neurogenic and anaphylactic shock is because of -

ANSWER-peripheral pooling of blood.




QUESTION: Rheumatic heart disease is most often a consequence of - ANSWER-β-hemolytic

streptococcal infection.




QUESTION: Left-sided heart failure is characterized by - ANSWER-pulmonary congestion.


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QUESTION: Atherosclerotic plaques with large lipid cores are prone to - ANSWER-rupture.




QUESTION: A patient who reports dizziness and who has absent P waves, wide QRS complexes,

and a heart rate of 38 beats/minute on an ECG is most likely in which rhythm? - ANSWER-

Ventricular escape rhythm




QUESTION: Patients with structural evidence of heart failure who exhibit no signs or symptoms

are classified into which New York Heart Association heart failure class? - ANSWER-Class I




QUESTION: Chronic elevation of myocardial wall tension results in atrophy. - ANSWER-False


Chronic elevation of myocardial wall tension results in hypertrophy.




QUESTION: Improvement in a patient with septic shock is indicated by an increase in - ANSWER-

systemic vascular resistance.




QUESTION: The ingestion of certain drugs, foods, or chemicals can lead to secondary

hypertension. - ANSWER-True




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