The blood vessels where the exchange of gases, nutrients, and waste products occur are called:

A patient who has a partial airway obstruction would have all the following signs EXCEPT:

A) being unable to cough. B) noisy breathing. C) snoring. D) stridor.

A Premature Ventricular Complex is a(n):

A) single irritable beat. B) atrial malfunction. C) escape mechanism. D) heart block.