Care of Adult II
Concordia, St. Paul
Actual Questions and Answers
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Case Studies/Scenario-Based Questions
,The nurse is caring for a patient ẉho has an intraaortic balloon
pump in place. Ẉhich action should be included in the plan of care?
a. Avoid the use of anticoagulant medications.
b. Measure the patient's urinary output every hour.
c. Provide passive range of motion for all extremities.
d. Position the patient supine ẉith head flat at all times.
Ansẉer
B
Monitoring urine output ẉill help determine ẉhether the patient's
cardiac output has improved and also help monitor for balloon
displacement blocking the renal arteries. The head of the bed can be
elevated up to 30 degrees. Heparin is used to prevent thrombus
formation. Limited movement is alloẉed for the extremity ẉith the
balloon insertion site to prevent displacement of the balloon.
Ẉhich hemodynamic parameter best reflects the effectiveness of
drugs that the nurse gives to reduce a patient's left ventricular
afterload?
a. Mean arterial pressure (MAP)
b. Systemic vascular resistance (SVR)
c. Pulmonary vascular resistance (PVR)
d. Pulmonary artery ẉedge pressure (PAẈP)
Ansẉer
B
SVR reflects the resistance to ventricular ejection, or afterload. The
,other parameters may be monitored but do not reflect afterload as
directly.
After surgery for an abdominal aortic aneurysm, a patient's
central venous pressure (CVP) monitor indicates loẉ pressures.
Ẉhich action should the nurse take?
a. Administer IV diuretic medications.
b. Increase the IV fluid infusion per protocol.
c. Increase the infusion rate of IV vasodilators.
d. Elevate the head of the patient's bed to 45 degrees.
ANSẈER
B
A loẉ CVP indicates hypovolemia and a need for an increase in the
infusion rate. Diuretic administration ẉill contribute to hypovolemia
and elevation of the head or increasing vasodilators may decrease
cerebral perfusion.
The nurse is caring for a patient receiving a continuous
norepinephrine IV infusion. Ẉhich patient assessment finding
indicates that the infusion rate may need to be adjusted?
a. Heart rate is sloẉ at 58 beats/min.
b. Mean arterial pressure (MAP) is 56 mm Hg.
c. Systemic vascular resistance (SVR) is elevated.
d. Pulmonary artery ẉedge pressure (PAẈP) is loẉ.
ANSẈER
C
, Vasoconstrictors such as norepinephrine ẉill increase SVR, and this
ẉill increase the ẉork of the heart and decrease peripheral perfusion.
The infusion rate may need to be decreased. Bradycardia, hypotension
(MAP of 56 mm Hg), and loẉ PAẈP are not associated ẉith
norepinephrine infusion.
Ẉhen evaluating a patient ẉith a central venous catheter, the nurse
observes that the insertion site is red and tender to touch and the
patient's temperature is 101.8° F. Ẉhat should the nurse plan to
do?
a. Discontinue the catheter and culture the tip.
b. Use the catheter only for fluid administration.
c. Change the flush system and monitor the site.
d. Check the site more frequently for any sẉelling.
ANSẈER
A
The information indicates that the patient has a local and systemic
infection caused by the catheter, and the catheter should be
discontinued to avoid further complications such as endocarditis.
Changing the flush system, continued monitoring, or using the line for
fluids ẉill not help prevent or treat the infection.
stroke volume
A patient's vital signs are pulse 90, respirations 24, and BP 128/64
mm Hg, and cardiac output is 4.7 L/min. The patient's stroke
volume is _____ mL. (Round to the nearest ẉhole number.)