A nurse is preparing to administer potassium chloride 10 mEq IV over 1 hr to a client. Available in potassium chloride 10 mEq in 100 mL of 0.9% sodium chloride. The nurse should set the infusion pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.).
10 mL/hr.
50 mL/hr.
100 mL/hr.
500 mL/hr.
The Correct Answer is C
Choice A rationale:
10 mL/hr would be the correct infusion rate if the client was receiving the entire 10 mEq of potassium chloride in a 100 mL solution over 1 hour. However, the question asks for the rate at which to administer 10 mEq over 1 hour, which means the total volume should be 100 mL/hr.
Choice B rationale:
50 mL/hr would be the correct infusion rate if the client was receiving the entire 10 mEq of potassium chloride in a 100 mL solution over 2 hours. However, the question specifies 1 hour, so the rate should be higher.
Choice C rationale:
This is the correct answer. To administer 10 mEq of potassium chloride in 100 mL over 1 hour, the infusion pump should be set to deliver 100 mL/hr.
Choice D rationale:
500 mL/hr would be the correct infusion rate if the client was receiving the entire 10 mEq of potassium chloride in a 100 mL solution over 10 minutes (1/6th of an hour). However, the question specifies 1 hour, so the rate should be much lower.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale:
A 23-year-old client in skeletal traction may be at risk of pressure injuries, but being young and presumably healthier than the other options, this client may have a lower risk compared to the other choices.
Choice B rationale:
A 67-year-old client with coronary artery disease may be at risk of pressure injuries, especially if the client has limited mobility or is bedridden. However, coronary artery disease alone does not significantly increase the risk of pressure injuries.
Choice C rationale:
A 32-year-old client with a spinal cord injury is most at risk of developing a pressure injury. Spinal cord injuries often result in paralysis or limited mobility, leading to prolonged pressure on specific areas of the body, which can cause pressure ulcers.
Choice D rationale:
A 55-year-old client with emphysema may have compromised lung function, but this alone does not significantly increase the risk of pressure injuries. Pressure injuries are primarily related to immobility and pressure on specific body areas.
Correct Answer is C
Explanation
Choice A rationale:
Having the client point their chin upward to swallow is not a recommended action to reduce the risk of aspiration. In fact, this action can increase the risk of choking and aspiration, as it may cause food or liquids to enter the airway.
Choice B rationale:
Offering the client saltine crackers between meals is not a suitable action for reducing the risk of aspiration. Saltine crackers are dry and can be challenging to swallow for someone with dysphagia, potentially increasing the risk of aspiration.
Choice C rationale:
Thicken liquids before serving is the correct action to reduce the risk of aspiration in a client with dysphagia. Thickened liquids are easier to swallow and less likely to enter the airway, reducing the risk of aspiration pneumonia.
Choice D rationale:
Placing food on the affected side of the mouth does not address the risk of aspiration directly. Dysphagia may affect both sides of the mouth, and placing food on one side does not ensure safe swallowing and reduces the effectiveness of addressing the problem.
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