chapter 20 allergic reaction

Question 1

anaphylaxis

Answer 1

life-threatening allergic reaction which the blood vessels dilate causing drop in blood pressure and the tissues lining swells interferes with airway.

Question 2

auto-injector

Answer 2

syringe preloaded with medication

Question 3

what should be assessed FIRST for a patient who is in anaphylactic​ shock?

Answer 3

The​ patient’s airway

Question 4

What effect does epinephrine have on the blood​ vessels?

Answer 4

Constriction

Question 5

What is more characteristic of anaphylaxis than a less severe allergic​ reaction?

Answer 5

Generalized pallor

Question 6

what is caused by a histamine release during an allergic​ reaction?

Answer 6

Increased leakage of fluids from blood vessels

Question 7

Urticaria is another term​ for:

Answer 7

hives

Question 8

In an allergic​ reaction, what substance released by mast cells and basophils causes​ bronchoconstriction, promotion of thick mucus production in the​ lungs, vasodilation, and increased vascular​ permeability?

Answer 8

Histamine

Question 9

Histamine release increases vascular permeability. What physical sign is associated with this​ pathophysiology?

Answer 9

Swelling