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NCLEX: Assessment of Cardiovascular Function Questions and 100% Correct Answers | Grade A+
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The nurse is discussing cardiac hemodynamics with a nursing student. The nurse explains preload to the student and then asks the student what nursing interventions might cause increased preload. The student correctly answers which of the following? Ans: Correct response: Application of antiemb...

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  • June 22, 2024
  • 287
  • 2023/2024
  • Exam (elaborations)
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  • nclex assessment of cardiovascular function que

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NCLEX: Assessment of
Cardiovascular Function
Questions and 100% Correct
Answers | Grade A+

,The nurse is discussing cardiac hemodynamics with a nursing student. The nurse explains

preload to the student and then asks the student what nursing interventions might cause

increased preload. The student correctly answers which of the following?

Ans: Correct response: Application of antiembolytic stockings

Explanation:

Preload is the amount of blood presented to the ventricles just before systole. Anything that

assists in returning blood to the heart (eg, antiembolytic stockings) or preventing blood from

pooling in the extremities will increase preload. Anything that decreases the amount of blood

returning to the heart will decrease preload, such as vasodilation or blood pooling in the

extremities.




Sixty six-year-old David Steiner is already being treated for hypertension. His doctor,

concerned about the potential for heart failure, has him come back for check-ups regularly.

What does hypertension have to do with heart failure?

Ans: Correct response: Hypertension causes the heart's chambers to enlarge and weaken.

Explanation:

Hypertension causes the heart's chambers to enlarge and weaken, making it impossible for

the ventricles to eject all the blood they receive.

,The student nurse is caring for a client with heart failure. Diuretics have been ordered. What

method might be used with a debilitated patient to help the nurse evaluate the client''s

response to diuretics?

Ans: Correct response: Using a urinary catheter

Explanation:

To evaluate response to diuretics, a urinary catheter is used. Mechanical ventilation helps

maintain a normal breathing pattern. A pulmonary artery catheter helps estimate cardiac

output. A biventricular pacemaker is used to sustain life.




A client with heart failure has been receiving an intravenous infusion at 150 mL/hr. Now the

client is short of breath. The nurse auscultates crackles bilaterally and notes neck vein

distention and tachycardia. Using critical thinking skills, what should the nurse do first?

Ans: Correct response: Slow the infusion and notify the physician.

Explanation:

The client has fluid overload, so the nurse should first slow the infusion to prevent additional

overload, and then notify the physician to obtain further orders. Notifying the physician

without slowing the infusion would increase the client's risk. Discontinuing the infusion is

not appropriate, because having a vascular access will be important. Administering a diuretic

without turning down the intravenous infusion rate is counterproductive.




A patient has been diagnosed with systolic heart failure. The nurse would expect the patient's

ejection fraction to be at which level?

, Ans: Correct response: Severely reduced

Explanation:

The ejection fraction is normal in diastolic heart failure, but severely reduced in systolic heart

failure.




While auscultating the heart sounds of a client with heart failure, the nurse hears an extra

heart sound immediately after the second heart sound (S2). The nurse should document this

as:

Ans: Correct response: a third heart sound (S3).

Explanation:

An S3 is heard following an S2, which commonly occurs in clients experiencing heart failure

and results from increased filling pressures. An S1 is a normal heart sound made by the

closing of the mitral and tricuspid valves. An S4 is heard before an S1 and is caused by

resistance to ventricular filling. A murmur is heard when there is turbulent blood flow across

the valves.




A nurse is caring for a client with heart failure. The nurse knows that the client has left-sided

heart failure when he makes which statement?

Ans: You selected: "I sleep on three pillows each night."

Correct

Explanation:

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