What is the key difference between an MDI and a nebulizer in emergency care?

What is the key difference between an MDI and a nebulizer in emergency care?

• A. MDI delivers a rapid dose with fewer resources; nebulizer provides a larger dose over time and is slower to deliver medication.
• B. Nebulizer delivers a rapid dose; MDI is slower.
• C. MDI uses IV route; nebulizer uses inhalation.
• D. They are identical in dose delivery.

Answer: (A)

The key idea is how quickly and with how much equipment the medicine reaches the airways. A metered-dose inhaler delivers a small, rapid puff of aerosol and, with a spacer, can provide quick relief using minimal setup and resources. A nebulizer turns liquid medicine into a mist and delivers a larger total dose, but it takes several minutes to complete and requires more equipment and time. So the correct statement describes the MDI as delivering a rapid dose with fewer resources, and the nebulizer as delivering a larger dose over time and being slower to deliver the medication. The other ideas don’t fit because MDIs are inhaled, not IV; nebulizers aren’t inherently faster to deliver a dose; and they are not interchangeable in how much medication and how quickly they deliver it.

The key idea is how quickly and with how much equipment the medicine reaches the airways. A metered-dose inhaler delivers a small, rapid puff of aerosol and, with a spacer, can provide quick relief using minimal setup and resources. A nebulizer turns liquid medicine into a mist and delivers a larger total dose, but it takes several minutes to complete and requires more equipment and time.

So the correct statement describes the MDI as delivering a rapid dose with fewer resources, and the nebulizer as delivering a larger dose over time and being slower to deliver the medication. The other ideas don’t fit because MDIs are inhaled, not IV; nebulizers aren’t inherently faster to deliver a dose; and they are not interchangeable in how much medication and how quickly they deliver it.