Exam (elaborations)
NUR 425 EXAM 1 QUESTIONS AND ANSWERS 2024
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NUR 425 EXAM 1 QUESTIONS AND ANSWERS 2024
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NUR 425 Exam 1Which of the following are causes of atrial fibrillation, atrial flutter, and SVT?
Select all that apply.
a. Cardiovascular diseases
b. Pericarditis
c. Hypotension
d. Electrolyte balance
e. Myocardial infarction
f. Methamphetamine use - ANSWERS-A B D E F (Causes of AFib and Aflutter
include:
-CVD: CHF and CAD
-HTN
-DM
-Hyperthyroidism
-Advanced age
-Electrolyte imbalance
-Myocardial infarction
-Myocarditis
,-Pericarditis
-Cocaine
-Methamphetamines
-Alcohol abuse)
List 4 medications that treat atrial fibrillation and atrial flutter. - ANSWERS--CCBs
(Verapamil, Dilitazem)
-Metoprolol
-Amiodarone
-Digoxin
Which of the following are potential causes of AV blocks? Select all that apply.
a. Cardiac surgery
b. Myocardial infarction
c. Digoxin toxicity
d. Urinary tract infection
e. Beta blockers and calcium channel blockers - ANSWERS-A B C E
Which patient is most at risk for developing delirium?
a. A 50-yr-old woman with cholecystitis
,b. A 19-yr-old man with a fractured femur
c. A 42-yr-old woman having an elective hysterectomy
d. A 78-yr-old man admitted to the medical unit with complications related to
heart failure - ANSWERS-D
You are caring for a patient who is experiencing delirium due to a lack of sleep.
Which of the following nursing interventions would be *inappropriate* in treating
this patients' condition?
a. You treat the patients' primary diagnosis that is causing the delirium.
b. You turn on the lights and a radio next to the patients' bed to reorient them.
c. You use appropriate touch and verbal communication to help reorient the
patient.
d. You put an easy-to-read clock in the patients' room and a calendar close to
their bed. - ANSWERS-B (For treating delirium, the nurse should reduce
environmental stimuli by decreasing noise and light levels.)
Normal Potassium level - ANSWERS-3.5-5.0
Normal PR interval length - ANSWERS-<0.2 seconds
Normal QRS interval length - ANSWERS-<0.12 seconds
Normal CVP (Central venous pressure) in adults - ANSWERS-2-8 mmHg
, Normal cardiac output in adults - ANSWERS-4-8 L/min
Normal cardiac index in adults - ANSWERS-2.2-4 L/min/m squared
Normal MAP in adults - ANSWERS-70-105 mmHg
The action of medication is inotropic when it:
A. Decreased afterload
B. Increases heart rate
C. Increases the force of contraction
D. Is used to treat CHF - ANSWERS-C (Inotropic drugs increase the force of
contraction. Preload, not afterload, is decreased. Chronotropic drugs increase
heart rate. Treatment of CHF is an indication for use not an action of inotropic
drug.)
Which of the following ECG findings alerts the nurse that the client needs an
antiarrhythmic?
A. Normal sinus rhythm
B. Sinus bradycardia
C. Sinus arrhythmia
D. Frequent ventricular ectopy - ANSWERS-D (Ventricular ectopy can be a life-
threatening arrhythmia; therefore, the client needs an arrhythmic. Other choices
are not arrhythmias that need to be treated. An ectopic rhythm is an irregular
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