The nurse is providing discharge instructions to a client who has had a permanent pacemaker inserted. The information in the chart indicates that the device is a DDD. What will the nurse explain about this pacemaker?
"A wire is in the left ventricle and will pace when needed."
"There are pacemaker wires in the right atrium and ventricle and will pace as needed."
"The wires are in both ventricles and fires when your heart rate is 50.
"The device is set to fire with each heart beat."
The Correct Answer is B
A. The pacemaker wire for a DDD device is placed in the right atrium and right ventricle, not the left ventricle.
B. This is the correct description of a DDD pacemaker, which has wires in both the right atrium and right ventricle to monitor and pace both chambers when needed.
C. This is incorrect because a DDD pacemaker does not pace both ventricles.
D. This is inaccurate because a DDD pacemaker does not fire with every heartbeat; it only fires when the heart’s natural electrical activity is insufficient.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["11"]
Explanation
The patient weighs 121 lbs, which is approximately 55 kilograms (121 ÷ 2.2).
Next, multiply the patient's weight in kilograms by the dosage prescribed, which is 20 units/kg. This results in a total dosage of 1100 units (55 kg × 20 units/kg).
The medication is supplied as 25,000 units in 250 mL, so to find out how many mL of medication is needed, set up a proportion: 25,000 units is to 250 mL as 1100 units is to X mL. Solving for X gives you 11 mL (1100 units × 250 mL ÷ 25,000 units).
Therefore, the nurse will administer 11 mL of Heparin to the patient.
Correct Answer is A
Explanation
A. This statement indicates a need for further education. After receiving an ICD, clients must refrain from engaging in vigorous physical activities such as contact sports (e.g., football) for a longer period of time to avoid injury or triggering the defibrillator. A longer recovery period is typically recommended.
B. This is correct. Microwaves do not affect the function of an ICD, so it is safe to use one.
C. This is correct. The client should keep their cellphone at least 6 inches away from the ICD to avoid interference with the device.
D. This is correct. Clients may experience a sudden, forceful sensation similar to a kick or blow when the ICD delivers a shock to correct an arrhythmia.
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