Chapter 18: Immunologic Emergencies

Question 1

Discuss

What are two types of immune chemicals

Answer 1

Histamines and leukotrienes.

Question 2

Discuss

Histamines

Answer 2

Part of the immune response. Make capillaries more permeable to white blood cells.

Question 3

Discuss

Leukotrienes

Answer 3

Bronchoconstriction, vascular permeabilization, and chemotaxis of neutrophils

Question 4

Discuss

Wheezing

Answer 4

High pitched whistling breath typically on expiration from bronchospasm/constriction and mucus production.

Question 5

Discuss

Urticaria

Answer 5

Hives

Question 6

Discuss

Wheal

Answer 6

Raised white spot resulting from a bite or sting or allergic reaction.

Question 7

Discuss

Treatment for stings/bites

Answer 7

Apply ice, place at heart level, remove jewelry for swelling, wash area

Question 8

Discuss

Epinepherine administration

Answer 8

Get med control orders, administer first dose and only a second if s/s not reversed in 5 minutes. Only two doses. Doses: Child 0.15 mg. Adult 0.3 mg. Contraindications: no signs of respiratory compromise or hypotension.Call ALS right away.

Question 9

Discuss

Envenomation

Answer 9

Act of injecting venom

Question 10

Discuss

Stridor

Answer 10

Harsh, high pitched respiratory sound typically on inspiration that indicates partial blockage of upper airway

Question 11

Discuss

S/S Anaphylaxis

Answer 11

• Hypotension
• Respiratory compromise
• Urticaria
• Facial and laryngeal edema