NAECB Inhaler Technique & Delivery Devices

Question 1

When using a metered-dose inhaler (MDI) without a spacer, what is the recommended inhalation technique?

Accepted Answer

Slow, deep inhalation over 3–5 seconds

Answer

Fast, forceful inhalation

Answer

Normal tidal breathing for 1–2 breaths

Answer

Rapid shallow inhalation followed by breath-hold

Question 2

What is the primary advantage of using a valved holding chamber (spacer) with a metered-dose inhaler?

Accepted Answer

Reduces the need for hand-breath coordination

Answer

Eliminates the need for breath-holding after inhalation

Answer

Increases medication deposition in the oropharynx

Answer

Increases the cost-effectiveness of the medication

Question 3

For a dry powder inhaler (DPI), what is the optimal inhalation technique to ensure adequate drug deposition?

Accepted Answer

Fast, forceful inhalation

Answer

Slow, gentle inhalation

Answer

Normal tidal breathing

Answer

Breath-hold with no active inhalation

Question 4

What is the recommended breath-hold duration after inhaling from a metered-dose inhaler?

Accepted Answer

5–10 seconds

Answer

2–3 seconds

Answer

15–20 seconds

Answer

No breath-hold is needed

Question 5

Which patient population is MOST likely to benefit from a nebulizer rather than a pressurized MDI or DPI for routine asthma therapy?

Accepted Answer

Infants unable to use MDI or DPI devices

Answer

Teenagers with mild persistent asthma

Answer

Young adults with exercise-induced bronchoconstriction

Answer

Adults with moderate persistent asthma on stable therapy

Question 6

Before using a new metered-dose inhaler or one that has not been used for more than 2 weeks, a patient should:

Accepted Answer

Prime the inhaler by releasing the recommended number of test sprays into the air

Answer

Rinse the canister under warm running water

Answer

Soak the mouthpiece in normal saline for 5 minutes

Answer

Refrigerate the canister for 30 minutes to stabilize the propellant

Question 7

Which of the following is a common critical error when using a dry powder inhaler (DPI)?

Accepted Answer

Exhaling forcefully into the device mouthpiece before inhalation

Answer

Inhaling too forcefully through the device

Answer

Holding the device at a horizontal angle

Answer

Using the device in a seated position