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PCCN practice exam notes (2024) Questions and Answers $11.49   Add to cart

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PCCN practice exam notes (2024) Questions and Answers

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PCCN practice exam notes (2024) Questions and Answers Pt on Vtach, HR 135, RR 32, BP 90/48, conscious but c/o dizziness, recent K+ lvl is 3.4. What action would you do first? a. emergent defib b. amio 300mg IVP c. emergent cardioversion d. hang 10 mEq KCL/50mL D5W - Answer-C The nurse notes...

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EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED. FIRST PUBLISH OCTOBER 2024.




PCCN practice exam notes (2024)
Questions and Answers

Pt on Vtach, HR 135, RR 32, BP 90/48, conscious but c/o dizziness, recent K+ lvl is 3.4. What

action would you do first?


a. emergent defib


b. amio 300mg IVP


c. emergent cardioversion


d. hang 10 mEq KCL/50mL D5W - Answer✔✔-C


The nurse notes the following when analyzing a patient's telemetry strip: HR, 65/min and

regular; PR interval, 0.22 seconds; QRS complex, 0.10 seconds; QTc, 0.52 seconds. Which of the

following dysrhythmias is the patient at risk for?




A. Atrial fibrillation because the PR interval is wide


B. Sinus arrhythmia because the QRS complex is narrow


C. Torsades de pointes because the QTc is wide


D. Third-degree heart block because the PR interval is narrow - Answer✔✔-C.



Page 1/20

,EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED. FIRST PUBLISH OCTOBER 2024.




QT measurements reflect the duration of ventricular repolarization. Lengthening of QT interval

is associated with arrhythmias, adverse cardiac events, and increased mortality because a

longer QT duration places the vulnerable ventricular repolarization phase close to the next

depolarization, increasing the likelihood of R-on-T. The most common arrhythmia that occurs

with prolonged QTc is torsades de pointes. Atrial fibrillation, sinus bradycardia, and third-degree

heart block are not typically associated with prolonged ventricular repolarization (QTc >0.50

seconds).


A patient with chronic obstructive pulmonary disease (COPD) is admitted for worsening dyspnea

and possible pneumonia. The current ABG results are pH, 7.19; PaO2, 52 mm Hg; PaCO2, 68 mm

Hg; HCO3 - , 32 mmol/L. The nurse would interpret these results as


A. Metabolic acidosis with hypoxemia


B. Respiratory acidosis with hypoxemia


C. Respiratory alkalosis with typical oxygenation for a COPD patient


D. Metabolic alkalosis with typical oxygenation for a COPD patient - Answer✔✔-B.




Based on the ABG analysis, the patient is experiencing a respiratory acidosis with hypoxemia

most likely due to the pneumonia. A pH of 7.19 indicates acidosis; a PaCO2 of 68 mm Hg is

elevated and a cause of acidosis; an HCO3 - of 32 mmol/L indicates renal compensation; a PaO2

of 52 mm Hg indicates hypoxemia

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, EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED. FIRST PUBLISH OCTOBER 2024.



76-year-old patient is receiving gentamicin and linezolid for an infection. Which of the following

potential complications is the most important for the nurse to monitor this patient for?


A. Acute delirium


B. Acute kidney injury


C. Acute hepatic failure


D. Sepsis - Answer✔✔-B.




Gentamicin is a nephrotoxic agent that places patients at risk for acute kidney injury, and this

risk is increased in older patients. Acute delirium (A), liver failure (C), and sepsis (D) are all

complications that could occur in an older adult with an infection but would not be caused by

the administration of an antibiotic.


An older patient is experiencing delirium 24 hours following hip replacement. Which

intervention might worsen the patient's condition?


A. Removing any unnecessary tubes and equipment from the room


B. Assessing and treating the patient's pain every 2 hours


C. Ensuring that the patient has the means to call for help


D. Loosely applying soft restraints - Answer✔✔-D.




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