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Exam (elaborations)

NUR 425 Critical Care Pre-Class Quizzes- Questions and Correct Answers

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  • Course
  • NUR 425
  • Institution
  • NUR 425

A patient's pacemaker is firing electricity at the appropriate times, but the EKG shows a flat line with no EKG complex after each pacer spike. What pacemaker problem does this describe? a. Failure to capture b. Failure to sense c. Failure to pace d. Appropriately functioning pacemaker a. Failure t...

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  • September 9, 2024
  • 2
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NUR 425
  • NUR 425
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NUR 425 Critical Care Pre-Class
Quizzes- Questions and Correct
Answers
A patient's pacemaker is firing electricity at the appropriate times, but the EKG shows a
flat line with no EKG complex after each pacer spike.
What pacemaker problem does this describe?
a. Failure to capture
b. Failure to sense
c. Failure to pace
d. Appropriately functioning pacemaker ✅a. Failure to capture

Which of the following is considered a "lethal dysrhythmia" ?
a. 3rd degree AV block
b. Junctional Rhythm
c. Sinus tachycardia
d. 1st degree AV block ✅a. 3rd degree AV block

The BEST way to assess if a patient is hypovolemix would be to measure?
a. the heart rate
b. skin turgor
c. the amountof blood in the right ventricle
d. the pressure in the right atrium ✅d. the pressure in the right atrium

How would you measure how well a patient's heart is SQUEEZING?
a. measure the percentage of blood that leaves the ventricle after each beat
b. get a chest X-ray and see how big the heart muscle is
c. Measure the amount of resistance in the systemic circulation
d. Measure the amount of resistance in the pulmonary circulation ✅a. measure the
percentage of blood that leaves the ventricle after each beat

Which of the following is the most accurate reflection of blood being pumped out of the
heart relative to the patient's size?
a. Cardiac Index (CI)
b. Ejection Fraction (EF)
c. Cardiac Output (CO)
d. Stroke Volume ✅a. Cardiac Index (CI)

Which of the following reflects a percentage of blood leaving the left ventricle with with
one beat?
a. Stroke Volume
b. Ejection Fraction (EF)

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