A client has a past medical history of coronary artery disease and emphysema.
The nurse knows which agent is safest to give?
Oxygen at 6 liters per minute via nasal cannula.
Ipratropium via metered dose inhaler.
Propranolol by oral administration.
An organic herbal supplement.
The Correct Answer is B
Choice A rationale
Administering oxygen at 6 liters per minute via nasal cannula risks hypercapnia in a client with emphysema due to impaired CO2 elimination. Oxygen should be titrated to maintain safe saturation levels, usually 88–92%.
Choice B rationale
Ipratropium is a bronchodilator that safely alleviates airway constriction in emphysema without systemic cardiovascular effects, making it suitable for a client with coronary artery disease and chronic obstructive pulmonary conditions.
Choice C rationale
Propranolol is contraindicated in emphysema due to its beta-blocking effects, which may exacerbate bronchoconstriction and reduce respiratory function, posing a significant risk to the client’s health.
Choice D rationale
Organic herbal supplements lack evidence-based safety and efficacy, especially in complex medical conditions like coronary artery disease and emphysema. They can also interact adversely with prescribed medications.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["D","E"]
Explanation
Choice A rationale
Weekly appointments to change the catheter are unnecessary unless specifically indicated. Most urinary catheters are changed monthly or as needed based on physician's discretion or complications.
Choice B rationale
Sexual intimacy is possible with an indwelling urinary catheter if handled properly. Providing education on safe practices promotes normalcy and quality of life for the patient.
Choice C rationale
Wearing underwear is recommended to protect the catheter and minimize risk of contamination or accidental dislodgement. This information supports proper hygiene and comfort.
Choice D rationale
Regular emptying of the leg bag every 4 hours or more frequently prevents overfilling, which could lead to backflow and increased risk of urinary tract infections.
Choice E rationale
Foul-smelling, cloudy urine can indicate infection such as a urinary tract infection. Prompt reporting ensures early treatment and prevention of complications.
Correct Answer is A
Explanation
Choice A rationale
A ketogenic diet includes high fats, moderate protein, and low carbohydrates, with unsaturated fats emphasized for health. This metabolic state reduces seizure frequency by enhancing ketone production as an alternative energy source for the brain.
Choice B rationale
Increasing carbohydrates disrupts ketosis, the fundamental principle of the ketogenic diet. This would counteract the therapeutic goal of reducing seizure activity by providing glucose as a primary brain fuel instead of ketones.
Choice C rationale
While omega-3 oils support brain health, the ketogenic diet focuses on low carbohydrate intake and high fat. Moderate protein intake is essential, but excess omega-3 emphasis neglects the diet’s structure.
Choice D rationale
Foods high in sodium and carbohydrates contradict the ketogenic diet's principles. Elevated carbohydrate intake halts ketosis, while excess sodium intake is unrelated to ketogenic mechanisms or seizure management.
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