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