The nurse should give a client half a glass of water after taking a buccal medication.
True.
False.
It depends on the client's preference.
It depends on the medication type.
The Correct Answer is B
Choice A rationale
Giving water after a buccal medication would cause the medication to be swallowed. Buccal medications are designed for absorption through the rich vascularization of the buccal mucosa, allowing direct entry into the systemic circulation and bypassing first-pass hepatic metabolism. Swallowing defeats this purpose.
Choice B rationale
Buccal medications are intended to dissolve slowly in the buccal pouch (between the cheek and gums) and be absorbed directly into the bloodstream through the mucous membranes. Consuming water would wash the medication away, leading to premature swallowing and subsequent degradation by gastric enzymes or first-pass metabolism in the liver, thus reducing its therapeutic effect.
Choice C rationale
The client's preference for water does not supersede the pharmacokinetic principles governing buccal medication administration. The route of administration is chosen specifically for its absorption profile, and introducing water compromises the intended local absorption mechanism, regardless of patient comfort.
Choice D rationale
The type of medication is precisely why water should be avoided. Buccal medications, by their very design, rely on sustained contact with the oral mucosa for systemic absorption. Regardless of the specific drug, water interferes with this fundamental mechanism, rendering the buccal route ineffective.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
Albuterol is a selective beta-2 adrenergic agonist. Its primary action is bronchodilation by stimulating beta-2 receptors in the bronchial smooth muscle, leading to relaxation and widening of the airways. It does not directly suppress the cough reflex, which is a protective mechanism to clear airways. Cough suppression is typically achieved by antitussive medications acting on the central nervous system or peripheral cough receptors.
Choice B rationale
Albuterol is a short-acting beta-agonist (SABA), characterized by a rapid onset of action and relatively short duration (4-6 hours). Therefore, it is used for immediate relief of bronchospasm and acute symptoms of asthma, not for long-term daily maintenance. Long-term maintenance medications include inhaled corticosteroids or long-acting beta-agonists (LABAs) used consistently to control inflammation and prevent exacerbations.
Choice C rationale
Albuterol's rapid onset of action and potent bronchodilatory effects make it the ideal medication for acute relief of bronchospasm in asthma. It is used as a "rescue" inhaler to quickly open airways during an asthma attack or before exercise to prevent exercise-induced bronchospasm. This immediate effect is crucial for alleviating respiratory distress.
Choice D rationale
Post-tussive emesis, or vomiting after coughing, is often a symptom of severe coughing spells. While albuterol can alleviate coughing by reducing bronchospasm, its primary mechanism is not to prevent emesis directly. Emesis is a gastrointestinal reflex; albuterol's action is primarily on the respiratory system. Addressing the underlying cause of severe coughing would indirectly reduce emesis.
Correct Answer is ["75"]
Explanation
Step 1 is 1.5 L × 1000 mL/L = 1500 mL.
Step 2 is 1500 mL ÷ 20 hours = 75 mL/hour.
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