A nurse is assisting with collecting data on a client who is on a continuous ECG monitor. The client's ECG tracing shows no identifiable P waves and an irregular ventricular rate. The nurseshould recognize the client is experiencing which of the following cardiac dysrhythmias?
Complete heart block
Atrial fibrillation
Sinus tachycardia
First-degree AV block.
The Correct Answer is B
a. Complete heart block: Complete heart block would typically present with a regular ventricular rate, but with no association between P waves and QRS complexes.
b. Atrial fibrillation: Atrial fibrillation is characterized by the absence of identifiable P waves and an irregular ventricular rate. The atria fibrillate, leading to chaotic electrical activity and an irregular ventricular response.
c. Sinus tachycardia: Sinus tachycardia is characterized by a regular ventricular rate and identifiable P waves. It is not associated with the absence of P waves.
d. First-degree AV block: First-degree AV block is characterized by a prolonged PR interval, but it does not result in the absence of P waves. The relationship between P waves and QRS
complexes is maintained.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
a. Type A: Type A blood may not be compatible with the client's blood type, and it is not considered a universal donor.
b. Type B: Similar to Type A, Type B blood may not be compatible with the client's blood type, and it is not considered a universal donor.
c. Type O: Type O negative blood is considered the universal donor for packed red blood cells. It can be administered to individuals with any blood type in an emergency situation.
d. Type AB: While Type AB is considered the universal recipient for blood transfusions, it is not the universal donor.
Correct Answer is D
Explanation
A. “I will notify my provider before taking any other medications.” - This statement reflects an understanding of the need to check for potential interactions with other medications, which is an appropriate response.
B. “I have made an appointment to see my dentist next week.” - Dental care is important, and
scheduling an appointment with the dentist is a responsible action. However, it does not indicate a misunderstanding about the medication.
C. “I will take this medication with meals.” - Taking phenytoin with meals is a correct instruction as it can help reduce gastrointestinal side effects.
D. "I'll be glad when my seizures stop so I can quit taking this medicine." - This statement
indicates a misunderstanding about the chronic nature of anti-seizure medications. The client needs further education on the importance of continuing the medication even if seizures stop.
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