Metered-Dose Inhalers (MDIs)

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Questions and Answers

Which delivery method is characteristic of metered-dose inhalers (MDIs)?

Dry powder insufflation
Aerosolized medication (correct)
Atomized mist
Nebulized suspension

What feature of metered-dose inhalers (MDIs) is most responsible for their ability to target specific respiratory diseases effectively?

Their large medication reservoir
Their compatibility with a wide range of medications
Their low cost and ease of manufacturing
Their ability to deliver precise doses (correct)

A patient with cystic fibrosis is prescribed medication via a metered-dose inhaler (MDI). What is the primary reason for selecting an MDI for this patient?

To treat systemic infections associated with cystic fibrosis
To aid in bronchodilation and reduce mucus viscosity (correct)
To reduce the risk of secondary bacterial infections
To provide supplemental oxygen directly to the alveoli

How do metered-dose inhalers (MDIs) specifically assist in managing pulmonary arterial hypertension?

By dilating pulmonary vessels (B) Signup and view all the answers

Why is proper technique critical when administering medication using a metered-dose inhaler (MDI)?

To ensure maximal delivery of the drug to the lungs (B) Signup and view all the answers

How do MDIs benefit patients with chronic obstructive pulmonary disease (COPD)?

By alleviating symptoms and supporting better airflow (C) Signup and view all the answers

What advantage do metered-dose inhalers (MDIs) offer over other drug delivery systems in treating respiratory diseases?

The convenience and portability for on-the-go use (B) Signup and view all the answers

Which of the following is not a typical disease treated with MDIs?

Type 1 Diabetes (C) Signup and view all the answers

Why is training required to properly use a metered-dose inhaler (MDI)?

To coordinate actuation with inhalation (C) Signup and view all the answers

What primary benefit do patients with asthma receive from using metered-dose inhalers (MDIs)?

Quick relief from asthma symptoms (A) Signup and view all the answers

If a patient with asthma uses their MDI more frequently than prescribed, what potential risk could this pose?

Increased risk of side effects (C) Signup and view all the answers

During an asthma attack, which type of medication delivered via MDI is most effective for quick relief?

Short-acting bronchodilators (C) Signup and view all the answers

For a respiratory therapist instructing a patient on using an MDI, what should be emphasized regarding the timing of inhalation?

Inhale slowly immediately after actuating the inhaler (D) Signup and view all the answers

How can the addition of a spacer device enhance the effectiveness of a metered-dose inhaler (MDI)?

By improving hand-breath coordination and particle size (A) Signup and view all the answers

What should patients be advised regarding the cleaning and maintenance of their metered-dose inhaler (MDI)?

Clean the plastic mouthpiece regularly (A) Signup and view all the answers

Can metered-dose inhalers (MDIs) deliver multiple types of medication simultaneously?

No, because each MDI is designed for a specific medication (A) Signup and view all the answers

What is a common environmental concern associated with metered-dose inhalers (MDIs)?

The contribution of propellants to ozone depletion (B) Signup and view all the answers

Which factor is least important when choosing an appropriate MDI for a patient?

The patient's personal preference for brand (B) Signup and view all the answers

A patient reports that their MDI no longer seems to be providing relief. What is the first step they should take?

Consult with their healthcare provider (C) Signup and view all the answers

In what way do modern MDIs differ from older models in terms of environmental impact?

Modern MDIs use propellants with a lower global warming potential (C) Signup and view all the answers

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