Blood 2

Question 1

function of immune cells in white blood cells(leukocytes)?

Answer 1

leave the blood and enter tissue to fight infection

Question 2

Normal WBC count?

Answer 2

5,000-10,000/mm

Question 3

white blood cell is high when?

Answer 3

There is an infection

Question 4

If WBC count is low means?

Answer 4

damage to red bone marrow or certain illness

Question 5

2 types of WBC

Answer 5

Granulocytes- grainy appearance in cytoplasm
Agranulocyte- non-grainy appearance in cytoplasm

Question 6

Types of granulocytes

Answer 6

phagocytic cells
neutrophils
eosinophils
basophils

Question 7

Phagocytic cells

Answer 7

engulf targets and destroys them

Question 7

Neutrophils

Answer 7

• attack and destroy bacteria
• 60% found in normal blood sample

Question 8

Eosinophils

Answer 8

• destroys parasite worms
• 2-4% of WBC

Question 9

Basophils

Answer 9

• release histamine which increases inflammation
• release heparin which inhibits blood clotting
• 1% of WBC

Question 10

types of agranulocytes

Answer 10

Lymphocytes
Monocytes

Question 11

Lymphocytes

Answer 11

T-cells attack infected cells
B-cells release antibodies
- 25% of WBC

Question 12

Monocytes

Answer 12

exits blood into tissue and becomes macrophages which are large phagocytes
4-8% of WBC

Question 13

Never Let Monkeys Eat Bananas

Answer 13

Neutrophils
Lymphocytes
Monocytes
Eosinophils
Basophils

Question 14

Hemostasis

Answer 14

important in blood clotting

Question 15

Normal count for thrombocytes(platelets)?

Answer 15

150,000 - 400,000/mm

Question 16

Three stages to stopping blood loss

Answer 16

Vasospasm
Platelet plug formation
Coagulation

Question 17

Vasospasm

Answer 17

happens immediately

Question 18

Platelet plug formation

Answer 18

begins 30 sec to 1 minute after injury

Question 19

Coagulation (clotting)

Answer 19

takes 3-6 mins
fibrin in blood forms mesh that traps RBC

Question 20

Sympathetic response

Answer 20

if more than 10% of blood is lost blood is redistributed to heart and brain

Question 21

clotting disorders

Answer 21

liver disease or genetic disorders hemophilia

Question 22

Thrombus

Answer 22

inappropriate clot in an undamaged vessel

Question 23

Embolus

Answer 23

thrombus that travels elsewhere in the body