A nurse is providing teaching at a community health fair about electrical fire prevention. Which of the following information should the nurse include in the teaching?
"Remove a plug from the socket by pulling the cord."
"Check for a tingling sensation around the cord."
"Use three-pronged grounded plugs."
"Cover extension cords with a rug."
The Correct Answer is C
Rationale:
A. "Remove a plug from the socket by pulling the cord.": Pulling a plug out by the cord can damage the wiring and expose live electrical components, increasing the risk of electric shock or fire. The plug should always be removed by grasping the base of the plug itself to ensure safety.
B. "Check for a tingling sensation around the cord.": A tingling sensation indicates faulty wiring or electrical leakage, which poses a serious safety hazard. Rather than checking for it, individuals should immediately stop using any cord that gives off a tingling sensation and report or replace it.
C. "Use three-pronged grounded plugs.": Grounded plugs provide an essential safety feature by redirecting excess electrical current safely into the ground. This reduces the risk of electrical fires and shocks, especially in appliances with metal casings or high power consumption.
D. "Cover extension cords with a rug.": Covering cords traps heat, prevents adequate ventilation, and increases the risk of overheating and fire. Extension cords should remain uncovered and placed in areas where they will not be walked on or damaged.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Rationale:
A. 0.45% sodium chloride: This is a hypotonic solution that helps lower elevated serum sodium levels by promoting water movement into the intracellular space. It is appropriate for correcting hypernatremia gradually while preventing cerebral edema.
B. Lactated Ringer's: Lactated Ringer’s is an isotonic solution containing sodium, potassium, and calcium. It is not ideal for hypernatremia because its sodium content can maintain or worsen elevated serum sodium levels.
C. 0.9% sodium chloride: Normal saline is isotonic and contains a high concentration of sodium, which would not reduce hypernatremia and could exacerbate the condition if used for correction.
D. 3% sodium chloride: This hypertonic solution increases serum sodium levels and is used to treat hyponatremia, not hypernatremia. Administering it to a client with hypernatremia would worsen the electrolyte imbalance.
Correct Answer is B
Explanation
Rationale:
A. "Massage the ointment into the skin.": The ointment should not be massaged into the skin because doing so alters the absorption rate and can cause unpredictable vasodilation and hypotension.
B. "Spread the ointment in a thin, even layer.": The nurse should instruct the client to apply the prescribed amount of nitroglycerin ointment in a thin, even layer to a hairless area of the upper body or chest. This ensures consistent absorption of the medication.
C. "Apply the ointment to the forearm.": The forearm is not a recommended site for application. The preferred areas are the chest, back, or upper arm where the skin is less likely to be disturbed and has better absorption.
D. "Apply the ointment to the skin every 4 hr.": Nitroglycerin ointment is usually applied every 6 to 12 hours depending on the prescription, with a nitrate-free interval to prevent tolerance. Every 4 hours is not standard practice.
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