A nurse is evaluating a client who received subcutaneous sumatriptan 1 hour ago. Which of the following findings should the nurse identify as an adverse effect of the medication?
Visual disturbances
Pressure in the chest
Phonophobia
Numbness of the tongue
The Correct Answer is B
A. Visual disturbances: Visual changes can occur as part of a migraine aura, but they are not typically an adverse effect caused by sumatriptan itself.
B. Pressure in the chest: Sumatriptan can cause vasoconstriction, leading to chest pressure or tightness. This cardiovascular effect is a known adverse reaction and should be assessed carefully to rule out serious complications.
C. Phonophobia: Sensitivity to sound is a symptom of migraines, not a side effect of sumatriptan. It reflects the underlying condition rather than medication-related adverse effects.
D. Numbness of the tongue: Tingling or paresthesia can occur in some clients, but numbness of the tongue is less common and not a primary adverse effect of sumatriptan compared with cardiovascular symptoms.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Obtain a prescription for furosemide: Administering a diuretic like furosemide could worsen hypovolemia or kidney injury if the client is already oliguric. It is not the first action when potassium is accumulating due to impaired renal excretion.
B. Prepare the client for a urine culture and sensitivity: While a UTI could contribute to kidney dysfunction, the immediate concern is elevated potassium in the context of severely reduced urine output, making infection screening secondary.
C. Discontinue the potassium infusion: The client has oliguria and elevated BUN, indicating impaired renal function. Continuing potassium infusion could lead to hyperkalemia and life-threatening cardiac complications. Stopping the infusion is the priority action to prevent toxicity.
D. Perform a bladder scan: A bladder scan assesses for urinary retention, which could contribute to low urine output. However, the elevated BUN suggests intrinsic kidney impairment, making discontinuing potassium more urgent than assessing retention.
Correct Answer is ["1.5"]
Explanation
Calculation:
- Calculate the total dose in milligrams (mg).
Ordered dose: 0.02 mg/kg
Patient weight: 30 kg
Total dose (mg) = 0.02 mg/kg x 30 kg
= 0.6 mg.
- Calculate the volume to administer in milliliters (mL).
Total dose: 0.6 mg
Available concentration: 0.4 mg/mL
Volume (mL) = Total Dose (mg) / Available Concentration (mg/mL)
= 0.6 mg / 0.4 mg/mL
= 1.5 mL.
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