NUR 425 EXAM 1,2,3&4 WITH QUESTIONS AND WELL
DETAILED ANSWERS (VERIFIED ANSWERS ALREADY
GRADED A+) LATEST UPDATE 2025-2026
Which patient is most at risk for developing delirium?
| | | | | | | |
a.A50-yr-oldwoman with cholecystitis
| | | | |
b.A19-yr-old man with a fractured femur
| | | | | | |
c.A42-yr-oldwoman having an elective hysterectomy
| | | | | | |
d.A78-yr-old man admitted to the medical unit with complications related to
| | | | | | | | | | | |
heart failure - CORRECT ANSWER 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. - CORRECTANSWER B (For treating delirium, the nurse
| | | | | | | | | | | |
should reduce environmental stimuli by decreasing noise and light levels.)
| | | | | | | | | |
,NormalPotassium level - CORRECTANSWER 3.5-5.0
| | | | | |
Normal PR interval length - CORRECTANSWER <0.2 seconds
| | | | | | | |
Normal QRS interval length - CORRECTANSWER <0.12 seconds
| | | | | | | |
Normal CVP (Central venous pressure) in adults - CORRECT ANSWER
| | | | | | | | |
2-8 mmHg
| |
Normal cardiac output in adults - CORRECTANSWER 4-8 L/min
| | | | | | | | |
Normal cardiac index in adults - CORRECTANSWER 2.2-4 L/min/m
| | | | | | | | |
squared
|
Normal MAPin adults - CORRECTANSWER 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 - CORRECTANSWER 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 - CORRECTANSWER 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 heart rhythm due to a premature heartbeat.
| | | | | | | | | | | |
Ectopic rhythm is also known as premature atrial contraction, premature
| | | | | | | | | |
ventricular contraction, and extrasystole. When your heart experiences an
| | | | | | | | |
early beat, a brief pause usually follows.)
| | | | | | |
When administering an antiarrhythmic agent, which of the following
| | | | | | | |
assessment parameters is the most important for the nurse to evaluate?
| | | | | | | | | | |
A. ECG
B. Pulse rate |
C. Respiratory rate |
D. Blood pressure - CORRECT ANSWER A (The ECG is the most
| | | | | | | | | |
important parameter to assess. B, C, and D need to be monitored, but the
| | | | | | | | | | | | | |
ECG is the most important.)
| | | | |
Epinephrine is used to treat cardiac arrest and status asthmaticus because of | | | | | | | | | | |
which of the following actions?
| | | | |
A. Increased speed of conduction and gluconeogenesis | | | | |
, B. Bronchodilation and increased heart rate, contractility, and | | | | | |
conduction
|
C. Increased vasodilation and enhanced myocardial contractility
| | | | |
D. Bronchoconstriction and increased heart rate - CORRECT ANSWER | | | | | | |
B (Bronchodilation results from stimulated beta receptors, and cardiac
| | | | | | | | |
effects result from the stimulation of ß1 receptors. ChoiceA does not
| | | | | | | | | | | |
address respiratory effects of medication. Choice C is incorrect because α-
| | | | | | | | | | |
stimulating drugs cause vasoconstriction. Bronchodilation, not
| | | | |
bronchoconstriction, results from ß2 activity.)
| | | | |
Following norepinephrine (Levophed) administration, it is essential to the
| | | | | | | |
nurse to assess:
| | |
A. electrolyte status |
B. color and temperature of toes and fingers
| | | | | |
C. capillary refill |
D. ventricular arrhythmias - CORRECT ANSWER B (Because | | | | | |
decreased perfusion is a side effect of norepinephrine (Levophed), the
| | | | | | | | | |
nurse must check circulation frequently. Capillary refill is not a reliable
| | | | | | | | | | |
indication of perfusion in a shock state. ChoicesAand D are not specific for
| | | | | | | | | | | | | | |
norepinephrine.)
|
When administering dopamine (Intropin), it is most important for the nurse
| | | | | | | | | |
to know that:
| | |
A. the drug's action varies according to the dose.
| | | | | | |
B. the drug may be used instead of fluid replacement.
| | | | | | | |
DETAILED ANSWERS (VERIFIED ANSWERS ALREADY
GRADED A+) LATEST UPDATE 2025-2026
Which patient is most at risk for developing delirium?
| | | | | | | |
a.A50-yr-oldwoman with cholecystitis
| | | | |
b.A19-yr-old man with a fractured femur
| | | | | | |
c.A42-yr-oldwoman having an elective hysterectomy
| | | | | | |
d.A78-yr-old man admitted to the medical unit with complications related to
| | | | | | | | | | | |
heart failure - CORRECT ANSWER 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. - CORRECTANSWER B (For treating delirium, the nurse
| | | | | | | | | | | |
should reduce environmental stimuli by decreasing noise and light levels.)
| | | | | | | | | |
,NormalPotassium level - CORRECTANSWER 3.5-5.0
| | | | | |
Normal PR interval length - CORRECTANSWER <0.2 seconds
| | | | | | | |
Normal QRS interval length - CORRECTANSWER <0.12 seconds
| | | | | | | |
Normal CVP (Central venous pressure) in adults - CORRECT ANSWER
| | | | | | | | |
2-8 mmHg
| |
Normal cardiac output in adults - CORRECTANSWER 4-8 L/min
| | | | | | | | |
Normal cardiac index in adults - CORRECTANSWER 2.2-4 L/min/m
| | | | | | | | |
squared
|
Normal MAPin adults - CORRECTANSWER 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 - CORRECTANSWER 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 - CORRECTANSWER 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 heart rhythm due to a premature heartbeat.
| | | | | | | | | | | |
Ectopic rhythm is also known as premature atrial contraction, premature
| | | | | | | | | |
ventricular contraction, and extrasystole. When your heart experiences an
| | | | | | | | |
early beat, a brief pause usually follows.)
| | | | | | |
When administering an antiarrhythmic agent, which of the following
| | | | | | | |
assessment parameters is the most important for the nurse to evaluate?
| | | | | | | | | | |
A. ECG
B. Pulse rate |
C. Respiratory rate |
D. Blood pressure - CORRECT ANSWER A (The ECG is the most
| | | | | | | | | |
important parameter to assess. B, C, and D need to be monitored, but the
| | | | | | | | | | | | | |
ECG is the most important.)
| | | | |
Epinephrine is used to treat cardiac arrest and status asthmaticus because of | | | | | | | | | | |
which of the following actions?
| | | | |
A. Increased speed of conduction and gluconeogenesis | | | | |
, B. Bronchodilation and increased heart rate, contractility, and | | | | | |
conduction
|
C. Increased vasodilation and enhanced myocardial contractility
| | | | |
D. Bronchoconstriction and increased heart rate - CORRECT ANSWER | | | | | | |
B (Bronchodilation results from stimulated beta receptors, and cardiac
| | | | | | | | |
effects result from the stimulation of ß1 receptors. ChoiceA does not
| | | | | | | | | | | |
address respiratory effects of medication. Choice C is incorrect because α-
| | | | | | | | | | |
stimulating drugs cause vasoconstriction. Bronchodilation, not
| | | | |
bronchoconstriction, results from ß2 activity.)
| | | | |
Following norepinephrine (Levophed) administration, it is essential to the
| | | | | | | |
nurse to assess:
| | |
A. electrolyte status |
B. color and temperature of toes and fingers
| | | | | |
C. capillary refill |
D. ventricular arrhythmias - CORRECT ANSWER B (Because | | | | | |
decreased perfusion is a side effect of norepinephrine (Levophed), the
| | | | | | | | | |
nurse must check circulation frequently. Capillary refill is not a reliable
| | | | | | | | | | |
indication of perfusion in a shock state. ChoicesAand D are not specific for
| | | | | | | | | | | | | | |
norepinephrine.)
|
When administering dopamine (Intropin), it is most important for the nurse
| | | | | | | | | |
to know that:
| | |
A. the drug's action varies according to the dose.
| | | | | | |
B. the drug may be used instead of fluid replacement.
| | | | | | | |
