*NURSING > EXAM > NR 341/ NR341 COMPLEX ADULT HEALTH EXAM 1 LATEST 2023-2024 REAL EXAM QUESTIONS AND CORRECT ANSWER (All)

NR 341/ NR341 COMPLEX ADULT HEALTH EXAM 1 LATEST 2023-2024 REAL EXAM QUESTIONS AND CORRECT ANSWERS|AGRADE

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NR 341/ NR341 COMPLEX ADULT HEALTH EXAM 1 LATEST 2023-2024 REAL EXAM QUESTIONS AND CORRECT ANSWERS|AGRADE 1The QT interval is the total time taken for ventricular depolarization and repolarizat... ion. Prolongation of the QT interval: a. decreases the risk of lethal dysrhythmias. b. usually occurs when heart rate increases. c. increases the risk of lethal dysrhythmias. d. can only be measured with irregular rhythms. ANS: C 2The patient has an irregular heart rhythm. To determine an accurate heart rate, the nurse first: a. identifies the markers on the ECG paper that indicate a 6-second strip. b. counts the number of large boxes between two consecutive P waves. c. counts the number of small boxes between two consecutive QRS complexes. d. divides the number of complexes in a 6-second strip by 10. 3 2 ANS: A 3The patient is admitted with a fever and rapid heart rate. The patient’s temperature is 103° F (39.4° C).The nurse places the patient on a cardiac monitor and finds the patient’s atrial and ventricular rates are above 105 beats per minute. P waves are clearly seen and appear normal in configuration. QRS complexes are normal in appearance and 0.08 seconds wide. The rhythm is regular, and blood pressure is normal. The nurse should focus on providing: a. medications to lower heart rate. b. treatment to lower temperature. c. treatment to lower cardiac output. d. treatment to reduce heart rate. ANS: B 4 The nurse is working on the night shift when she notices sinus bradycardia on the patient’s cardiac monitor. The nurse should: [Show More]

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