When you repeat your patient's words to encourage him to provide more details, you are using the technique called:

A flowing spring is classified as a __________ water source

Fill in the blank(s) with correct word

Which of the following can cause laryngeal spasm, leading to upper airway obstruction?

A) Inhalation of smoke or superheated gases B) Anaphylaxis C) Epiglottitis D) All of the above