Immunity

Question 1

Blood Plasma

Answer 1

• 55% blood
• 90% water
• electrolytes/glucose
• 7% protein (carrys fats + water balance)
• clotting factors

Question 2

Serum

Answer 2

plasma minus clotting factors

Question 3

Hematocrit

Answer 3

Ratio of RBC to total blood volume

anemia affects this count

Question 4

Blood composed of

Answer 4

white blood cells
platelets
RBC

Question 5

RBC

Answer 5

live 120 days
1% replaced per day

NEED:

• iron
• B12
• Erythropoieten

Question 6

Anemia

Answer 6

• low oxygen carrying

Question 7

Iron deficiency anemia

Answer 7

• low iron, low Hb

- small cells, low Hct

Question 8

Pernicious anemia

Answer 8

• low B12

- low RBC count

Question 9

White blood cells

Answer 9

NEUTROPHILS
(phagocytes - eat bacteria - small)

MONOCYTES
(macrophages - big, slow, stationary)

EOSINOPHILS
(allergy response)

BASOPHILS
(histamine - vasodilator - help repair)

LYMPHOCYTES
(t and b cells)

Question 10

Neurophils

Answer 10

WBC
phagocyte
small / fast
eat bacteria

60-70%

Question 11

Monocytes

Answer 11

WBC
Macrophages
big / slow
2-8%

Question 12

Eosinophils

Answer 12

WBC
allergy response
1-4%

Question 13

Basophils

Answer 13

WBC
histamine
vasodilator
repair work

Question 14

Lymphocytes

Answer 14

WBC
t and b cells
20-30%

Question 15

platelet plug

Answer 15

sticky platelets
(sticky at injury site)
clots blood

Question 16

Vascular spasm

Answer 16

constriction
“blood spasm”
clotting blood

Question 17

Coagulation

Answer 17

formation of fibrin threads

Question 18

Antigen

Answer 18

anything that reacts with the body

Question 19

External Defenses

Answer 19

• Skin
• Mucous
• Acid
• Cough
• Sneeze

Question 20

Inflammation

Answer 20

• more blood flow to injury
• INCREASE of capillary permeability
• WBC and clot factors to site

Question 21

Interferon

Answer 21

Cytokine from infected cell - prevents infection of other cells

Question 22

Natural killers

Answer 22

Macrophages