Airway inflammation occurs due to the release of
a. toxins.
b. oxygen.
c. inflammatory mediators.
d. mucous secretions.
c. Airway inflammation is due to the release of inflammatory mediators (e.g., histamine, prostaglandins, leukotrienes, and other cytokines) triggered by exposure to allergens such as dust, plant pollen, smoke, and animal dander; exercise; stress; changes in weather; and most frequently upper respiratory viral infection. These inflammatory mediators cause swelling of the airways; and provoke contraction of the airway smooth muscle.
You might also like to view...
Which of the following is a type of chemical energy needed for sustained or repeated muscular contractions?
a. ADE b. ATR c. ADT d. ATP
Your patient is a 32-year-old woman who fell off her bicycle after hitting a rock in the street. When you arrive, she is sitting up on the side of the road and is able to talk to you. The best place to check this patient's pulse is the _____ artery
A) radial B) femoral C) brachial D) carotid
The Degrees at a Distance Program (DDP) is sponsored by which federal agency?
A) Department of Education B) Department of Homeland Security C) National Fire Academy D) Emergency Management Institute
Drugs that inhibit platelet function should NOT be used with heparin. One of the most commonly used drugs that exhibits this effect is:
A) calcium carbonate B) aspirin C) tetracycline D) codeine