Which of the following is primarily used to reduce air flow resistance?

Blood vessels, such as capillaries, that break and then enlarge, becoming visible through the surface of the skin, are called:

A) Rosacea. B) Acne. C) Impetigo. D) Spider veins.

Approximately how many patients with hemophilia B form an inhibitor?

a. <5% b. 10% c. 30% d. >35%