venipuncture

Question 1

what does plasma do

Answer 1

• transports ~~ nutrients, hormones, medications, and other substances to cells
• carrie’s waste products away from cells to kidneys, liver, ect for excretion
• transports some gases (co2 and traces of o2)
• plasma = clotting factor (fibrinogens) = serum NO RBC WBC PLATELETS

Question 2

what do RBC’s do

Answer 2

RED BLOOD CELLS
- cells carry 02
- made up of hemoglobin which gives the red appearance
- more RBCs = more o2

Question 3

hemolysis

Answer 3

• rupture of RBC membrane
• have to redraw when this happens

Question 4

what do WBCs do

Answer 4

WHITE BLOOD CELLS
- immunity
- body’s defense system
- infection/inflammation signal bone marrow to produce and release more WBCs

Question 5

what does Leukemia refer to

Answer 5

leukemia is an increase in malignant WBCs that are unable to fight infection and impair the production of RBCs and platelets

Question 6

what are platelets

Answer 6

• clotting
• fragments of cytoplasm with a strong tendency to adhere to eachother
• undergo chemical and physical reactions with fibrinogen and other factors to form clots

Question 7

hemophilia

Answer 7

clotting disorder due to insufficient clotting factors

Question 8

plasma makes up what % of blood

Answer 8

46% - 63%

Question 9

subcomponent H2O makes up what percentage of plasma

Answer 9

92%

Question 10

erythrocytes consist of what percentage of form elements

Answer 10

99%

Question 11

platelets consist of what percentage of form elements

Answer 11

<1% less than

Question 12

leukocytes consist of what percentage of formed elements

Answer 12

<1% less than

Question 13

EDTA

Answer 13

an anti coagulate

Question 14

what are you looking for when visualizing a vein

Answer 14

• straight
• well fixed
• spongey
• free of valves