A client asks the nurse, "Why do I have to use a spacer with my metered-dose inhaler (MDI)? How should the nurse respond?
"The medication is delivered more quickly when you use a spacer."
"A spacer is required for anyone using a metered dose inhaler."
"Using a spacer eliminates the need to wait in between puffs of medication."
"The spacer allows you to inhale the medication more slowly and deeply."
The Correct Answer is D
Rationale:
A. The statement that medication is delivered more quickly with a spacer is incorrect. A spacer does not speed up delivery; rather, it improves the efficiency of inhalation by allowing the medication to be inhaled slowly and deeply.
B. A spacer is not required for every person using a metered-dose inhaler (MDI). While beneficial, some clients can use an MDI effectively without a spacer if proper technique is mastered.
C. Using a spacer does not eliminate the need to wait between puffs. Proper timing between puffs is still necessary to allow the medication to work effectively in the lungs.
D. The correct response is that the spacer allows the client to inhale the medication more slowly and deeply. This improves delivery of the medication to the lower airways, reduces deposition in the mouth and throat, enhances therapeutic effectiveness, and can decrease local side effects such as irritation or oral candidiasis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Rationale:
A. Saying “I should drink water after every bite to help with swallowing” does not demonstrate correct understanding. Clients with dysphagia are often placed on thickened liquids because thin liquids such as water are more easily aspirated. Drinking water after every bite may actually increase the risk of aspiration unless specifically recommended by a speech-language pathologist.
B. Saying “I should chew my food quickly to avoid choking” is incorrect. Clients with dysphagia should eat slowly and chew thoroughly. Eating quickly increases the risk of choking and aspiration.
C. Saying “I should mostly eat foods that require more chewing” is incorrect. Clients with dysphagia are typically encouraged to eat soft, moist, and easy-to-swallow foods. Foods that require excessive chewing may increase fatigue and the risk of choking.
D. Saying “I should empty my mouth after each bite before taking another” demonstrates correct understanding. Ensuring the mouth is clear before taking another bite helps prevent pocketing of food in the cheeks and reduces the risk of aspiration. This is a key safety measure in dysphagia management.
Correct Answer is A
Explanation
Rationale:
A. Dipping the reagent strip into fresh urine is the correct step when performing a bedside urinalysis. The nurse should collect a fresh urine sample, briefly immerse the reagent strip so all test pads are moistened, remove it immediately, and then compare the color changes to the manufacturer’s chart at the specified times. This ensures accurate results for substances such as glucose, protein, ketones, blood, and leukocytes.
B. Touching the reagent strip in the colored areas is incorrect. The nurse should avoid touching the test pads because oils or contaminants from the hands can alter the results and lead to inaccurate readings.
C. Leaving the reagent strip in the urine for 2 minutes is incorrect. The strip should only be dipped briefly and removed immediately. Prolonged immersion can cause reagent leaching and inaccurate results. Timing for reading results occurs after removal from the urine, according to the manufacturer’s instructions.
D. Sending the reagent strip to the laboratory is unnecessary. A bedside urinalysis using reagent strips is performed and interpreted at the point of care. Only the urine specimen itself would be sent to the lab if further testing is required.
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