week nine pt. two

Question 1

what is allergy

Answer 1

hypersensitivity to an ordinarily harmless substance

Question 2

what does severity dependent on

Answer 2

amount of allergen, rate of exposure, route of exposure

Question 3

sequence of vascular event

Answer 3

releases of histamine, blood vessels dilate and leak plasma, blood pressure falls, venous return to heart impaired, cardiac output inadequate, circulation drastically reduced

Question 4

how many types of allergy is there

Answer 4

four

Question 5

type one

Answer 5

immediate hypersensitivity

Question 6

where are mast and basophils found

Answer 6

lungs, small intestines, intravascular connective tissue

Question 7

type two

Answer 7

cell death and cytolitic

Question 8

type three

Answer 8

anaphylactoid

Question 9

type four

Answer 9

delayed hypersensitivity

Question 10

urticaria

Answer 10

hives, vasodilation of capillaries

Question 11

pruritus

Answer 11

itching, release of histamine

Question 12

conjunctivitis

Answer 12

inflammation of eye from release of histamine

Question 13

angioedema

Answer 13

increased tissue fluid

Question 14

rhinitis

Answer 14

release of histamine and inflammation of mucous membrane of nose

Question 15

treatment of mild

Answer 15

chlorpheniramine 4 mg per 4-6 hours or oral diphenhydramine 25-50 mg 6-8 hours

Question 16

treatment of moderate

Answer 16

intra muscular benadryl 50 mg or oral antihistamine o2 4-6 l/min