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Critical Care Exam 1 Practice Questions and Answers 100% Pass
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Critical Care Exam 1 Practice Questions and Answers 100% Pass The nurse is caring for a patient admitted with unstable angina. The laboratory result for the initial troponin I is elevated in this patient. The nurse should recognize what implication of this assessment finding? A) This is only a...

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  • November 10, 2024
  • 21
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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Critical Care Exam 1 Practice Questions

and Answers 100% Pass


The nurse is caring for a patient admitted with unstable angina. The laboratory result for the initial

troponin I is elevated in this patient. The nurse should recognize what implication of this assessment

finding?


A) This is only an accurate indicator of myocardial damage when it reaches its peak in 24 hours.


B) Because the patient has a history of unstable angina, this is a poor indicator of myocardial injury.


C) This is an accurate indicator of myocardial injury.


D) This result indicates muscle injury, but does not specify the source. - ANSWER✔✔-ANS: C


The nurse is conducting patient teaching about cholesterol levels. When discussing the patients elevated

LDL and lowered HDL levels, the patient shows an understanding of the significance of these levels by

stating what?


A) Increased LDL and decreased HDL increase my risk of coronary artery disease.


B) Increased LDL has the potential to decrease my risk of heart disease.


C) The decreased HDL level will increase the amount of cholesterol moved away from the artery walls.


D) The increased LDL will decrease the amount of cholesterol deposited on the artery walls -

ANSWER✔✔-ANS: A




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The cardiac care nurse is reviewing the conduction system of the heart. The nurse is aware that electrical

conduction of the heart usually originates in the SA node and then proceeds in what sequence?


A) SA node to bundle of His to AV node to Purkinje fibers


B) SA node to AV node to Purkinje fibers to bundle of His


C) SA node to bundle of His to Purkinje fibers to AV node


D) SA node to AV node to bundle of His to Purkinje fibers - ANSWER✔✔-ANS: D


The critical care nurse is caring for a patient who has been experiencing bradycardia after cardiovascular

surgery. The nurse knows that the heart rate is determined by myocardial cells with the fastest inherent

firing rate. Under normal circumstances where are these cells located?


A) SA node


B) AV node


C) Bundle of His


D) Purkinje cells - ANSWER✔✔-ANS: A


A nurse is teaching a nursing student about how to read a EKG. The nurse points out the P wave. Which

of the following descriptions of the P wave would be accurate?


A) It is the electrical impulse movement from SA node to AV node


B) It is the electrical impulse movement from AV node to the bundle of His to The R right and L branches

and then to Purkinje fibers


C) This represents the ventricles relaxing


D) This represents how fast the impulse is - ANSWER✔✔-ANS: A

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B describes what is happening during the QRS wave


C is what is occurring during the T wave


D describes the PR Interval


A nurse is assessing a cardiac patient who has hypervolemia. The nurse knows that this increase in fluid

volume will effect which of the following directly?


A) The patients contractility


B) the patients After load


C) the patients preload


D) The patients venous vasodilation - ANSWER✔✔-ANS: C


A nurse is discussing with a patient things that decreases ones contractility.


Which of the following would the nurse include in this teaching? (Select all that apply)


A) Age


B) Gender


C) Past MI's


D) Structural changes


E) Increased fluid volume - ANSWER✔✔-ANS: A,C,D


A nursing instructor is educating a group of students about the heart. Which of the following would the

nursing instructor identify as the primary governor of heart rate?


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