4 Written Questions

1. an extreme, possibly life-threatening systemic allergic reaction that may include shock and respiratory failure
2. small spots of generalized itching and/or burning that appear as multiple raised areas on the skin; hives
3. the body's exaggerated immune response to an internal or surface agent
4. chemical substances that contribute to anaphylaxis; released by the immune system in allergic reactions

4 Multiple Choice Questions

1. a substance that causes an allergic reaction
   1. wheal
   2. toxin
   3. allergen
   4. wheezing
2. a substance produced by the body (commonly called adrenaline), and a drug produced by pharmaceutical companies that increases pulse rate and blood pressure; the drug of choice for an anaphylactic reaction
   1. epinephrine
   2. wheezing
   3. leukotrienes
   4. histamines
3. a high-pitched, whistling breath sound, usually caused by a constriction of the smaller tubes of the lungs and typically heard on expiration
   1. toxin
   2. wheal
   3. wheezing
   4. allergen
4. a harsh, high-pitched respiratory sound, generally heard during inspiration, that is caused by partial blockage or narrowing of the upper airway
   1. toxin
   2. urticaria
   3. stridor
   4. wheal

4 True/False Questions

1. histamines → a harsh, high-pitched respiratory sound, generally heard during inspiration, that is caused by partial blockage or narrowing of the upper airway

   True        False

2. wheal → a raised, swollen, well-defined area on the skin resulting from an insect bite or allergic reaction

   True        False

3. toxin → a poison or harmful substance

   True        False

4. envenomation → a substance produced by the body (commonly called adrenaline), and a drug produced by pharmaceutical companies that increases pulse rate and blood pressure; the drug of choice for an anaphylactic reaction

   True        False