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Chapter 65: Critical Care Lewis: MedicalSurgical Nursing, 10th Edition, Adult Health II Module 2 Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed $13.49   Add to cart
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Chapter 65: Critical Care Lewis: MedicalSurgical Nursing, 10th Edition, Adult Health II Module 2 Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed
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Which 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 wedge pressure (PAWP) �...

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  • August 27, 2024
  • 91
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • chapter 65 critical care lewis medicalsurgical

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Excellence is key | 2024/2025 ~Page |1



Chapter 65: Critical Care Lewis: Medical-
Surgical Nursing, 10th Edition, Adult
Health II Module 2 Questions & 100%
Correct Answers- Latest Test | Graded A+
| Passed
Which 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 wedge pressure (PAWP)


ÖŽ -:- ANS: B

SVR reflects the resistance to ventricular ejection, or afterload. The other parameters may

be monitored but do not reflect afterload as directly.




DIF: Cognitive Level: Apply (application)




After surgery for an abdominal aortic aneurysm, a patient's central venous pressure (CVP)

monitor indicates low pressures. Which action should the nurse take?


a. Administer IV diuretic medications.




26/08/2024 | © Copyright- This work may not be copied for profit.

, Excellence is key | 2024/2025 ~Page |2


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.


ÖŽ -:- ANS: B

A low CVP indicates hypovolemia and a need for an increase in the infusion rate. Diuretic

administration will contribute to hypovolemia and elevation of the head or increasing

vasodilators may decrease cerebral perfusion.




DIF: Cognitive Level: Apply (application)




When caring for a patient with pulmonary hypertension, which parameter will the nurse use

to directly evaluate the effectiveness of the treatment?


a. Central venous pressure (CVP)


b. Systemic vascular resistance (SVR)


c. Pulmonary vascular resistance (PVR)


d. Pulmonary artery wedge pressure (PAWP)


ÖŽ -:- ANS: C

PVR is a major contributor to pulmonary hypertension, and a decrease would indicate that

pulmonary hypertension was improving. The other parameters may also be monitored but

do not directly assess for pulmonary hypertension.




26/08/2024 | © Copyright- This work may not be copied for profit.

, Excellence is key | 2024/2025 ~Page |3




DIF: Cognitive Level: Apply (application)




The intensive care unit (ICU) nurse educator determines that teaching a new staff nurse

about arterial pressure monitoring has been effective when the nurse


a. balances and calibrates the monitoring equipment every 2 hours.


b. positions the zero-reference stopcock line level with the phlebostatic axis.


c. ensures that the patient is supine with the head of the bed flat for all readings.


d. rechecks the location of the phlebostatic axis with changes in the patient's position.


ÖŽ -:- ANS: B

For accurate measurement of pressures, the zero-reference level should be at the

phlebostatic axis. There is no need to rebalance and recalibrate monitoring equipment

every 2 hours. Accurate hemodynamic readings are possible with the patient's head raised

to 45 degrees or in the prone position. The anatomic position of the phlebostatic axis does

not change when patients are repositioned.




DIF: Cognitive Level: Apply (application)




When monitoring the effectiveness of treatment for a patient with a large anterior wall

myocardial infarction, the most pertinent measurement for the nurse to obtain is




26/08/2024 | © Copyright- This work may not be copied for profit.

, Excellence is key | 2024/2025 ~Page |4


a. central venous pressure (CVP).


b. systemic vascular resistance (SVR).


c. pulmonary vascular resistance (PVR).


d. pulmonary artery wedge pressure (PAWP).


ÖŽ -:- ANS: D

PAWP reflects left ventricular end diastolic pressure (or left ventricular preload) and is a

sensitive indicator of cardiac function. Because the patient is high risk for left ventricular

failure, the PAWP must be monitored. An increase will indicate left ventricular failure. The

other values would also provide useful information, but the most definitive measurement

of changes in cardiac function is the PAWP.




DIF: Cognitive Level: Apply (application)




Which action should the nurse take when the low pressure alarm sounds for a patient who

has an arterial line in the left radial artery?


a. Fast flush the arterial line.


b. Check the left hand for pallor.


c. Assess for cardiac dysrhythmias.


d. Re-zero the monitoring equipment.




26/08/2024 | © Copyright- This work may not be copied for profit.

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