A client is prescribed a metered-dose inhaler (MDI) and a dry powder inhaler (DPI). The client asks the nurse about the difference between the two types of inhalers. Which of the following responses by the nurse is correct?
"MDIs require you to coordinate your breathing with inhalation, while DPIs do not."
"MDIs contain a propellant that helps deliver the medication into your lungs."
"DPIs deliver the medication in a mist form, which is easier to inhale."
"DPIs require you to use a spacer device for proper inhalation."
The Correct Answer is A
A) Correct. Metered-dose inhalers (MDIs) require the client to coordinate their breathing with inhalation. They release a measured dose of medication in aerosol form, and the client needs to inhale deeply at the same time to ensure the medication reaches the lungs. Dry powder inhalers (DPIs), on the other hand, do not require coordination of breathing and inhalation. The client simply needs to inhale forcefully to activate the powder dispersion.
B) Incorrect. MDIs contain a propellant that helps atomize the medication and facilitate its delivery into the lungs, but this is not the main difference between MDIs and DPIs.
C) Incorrect. DPIs deliver the medication in powder form, not mist form.
D) Incorrect. DPIs do not require the use of a spacer device, unlike MDIs, which can benefit from a spacer device to improve medication delivery.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A) Correct. Instructing the client to rinse their mouth with water after each inhalation is important when using an inhaled corticosteroid. This action helps prevent the development of oral candidiasis (thrush), a potential side effect of inhaled corticosteroids.
B) Incorrect. Inhaled corticosteroids are maintenance medications for COPD and are not intended for use on an as-needed basis during acute exacerbations. Clients should have a separate rescue inhaler for acute symptom relief.
C) Incorrect. The use of a spacer device can improve the delivery of inhaled corticosteroids to the lungs, especially for clients who have difficulty coordinating inhaler use. Therefore, it is recommended to use a spacer device when using an inhaler.
D) Incorrect. Inhaled corticosteroids provide long-term control of symptoms in COPD but do not provide immediate relief. It may take several days to weeks of consistent use for the medication to reach its full therapeutic effect.
Correct Answer is A
Explanation
A) Correct. Metered-dose inhalers (MDIs) require the client to coordinate their breathing with inhalation. They release a measured dose of medication in aerosol form, and the client needs to inhale deeply at the same time to ensure the medication reaches the lungs. Dry powder inhalers (DPIs), on the other hand, do not require coordination of breathing and inhalation. The client simply needs to inhale forcefully to activate the powder dispersion.
B) Incorrect. MDIs contain a propellant that helps atomize the medication and facilitate its delivery into the lungs, but this is not the main difference between MDIs and DPIs.
C) Incorrect. DPIs deliver the medication in powder form, not mist form.
D) Incorrect. DPIs do not require the use of a spacer device, unlike MDIs, which can benefit from a spacer device to improve medication delivery.
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