After teaching a client who has an Implantable cardioverter-defibrillator (ICD), a nurse assesses the client’s understanding. Which statement by the client indicates a correct understanding of the teaching?
“I would wear a snug-fitting shirt over the ICD”.
“I will avoid sources of strong electromagnetic fields”.
“Now I can discontinue my antidysrhythmic medication.
“I would participate in a strenuous exercise program”.
The Correct Answer is B
A. “I would wear a snug-fitting shirt over the ICD”: Clothing choice does not significantly affect ICD function. Loose, comfortable clothing is recommended, but this statement does not demonstrate a key safety understanding.
B. “I will avoid sources of strong electromagnetic fields”: ICDs can malfunction when exposed to strong electromagnetic interference, such as from MRI machines, high-voltage equipment, or certain medical devices. Avoiding these sources demonstrates correct understanding of safety precautions.
C. “Now I can discontinue my antidysrhythmic medication”: Clients with ICDs often need to continue prescribed medications to manage underlying arrhythmias. Discontinuing medication without provider guidance is unsafe.
D. “I would participate in a strenuous exercise program”: Strenuous activity may pose a risk of injury or trigger ICD shocks if the heart rate becomes too elevated. Activity should be moderate and cleared by the healthcare provider.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Na+ 134 mEq/L is slightly low but generally within the acceptable range and not strongly correlated with these EKG findings.
C. K+ 2.1 mEq/L is a critically low potassium level, representing severe hypokalemia. This value is highly consistent with the pronounced U waves and T wave flattening and inversion
B. K+ 6.1mEq/L is hyperkalemia (high potassium), which typically presents with tall, peaked T waves and a widened QRS complex, which is the opposite of the rhythm shown.
D. Mg+ 1.8 mg/dL is within the normal range.
Correct Answer is D
Explanation
Calculation:
- Determine the Total Dose Ordered per Minute
Ordered Rate: 12 mcg/kg/min
Client Weight: 75 kg
Total Dose (mcg/min) = 12 mcg/kg/min x 75 kg
= 900 mcg/min
- Convert to mg/min (1 mg = 1,000 mcg):
Total Dose (mg/min) = 900 mcg / 1,000
= 0.9 mg/min
- Determine the Concentration of the IV Solution
Available Drug: 1 g
Available Volume: 250 mL
- Convert Available Drug to mg (1 g = 1,000 mg):
Available Drug (mg) = 1 g x 1,000
= 1,000 mg
- Calculate Concentration (mg/mL):
Concentration (mg/mL) = 1,000 mg / 250 mL
= 4 mg/mL
- Calculate the Flow Rate in mL/hr
Flow Rate (mL/hr) = (Dose Ordered (mg/min) / Concentration (mg/mL)) x 60 min/hr
= (0.9 mg/min / 4 mg/mL) x 60 min/hr
= 0.225 x 60
= 13.5 mL/hr
- Round to the Nearest Whole Number
= 14.
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