blood flash

Question 1

reticulocytes

Answer 1

immaute RBC, 2 days to mature

Question 2

proerythroblast

Answer 2

1st RBC in series

Question 3

diapedesis

Answer 3

flow of cell across border (ex. Marrow into blood)

Question 4

erythropoietin

Answer 4

made in kidney, promotes transcription of erythropoietin gene, erythropoeitin increases production of proerythroblasts

Question 5

serum

Answer 5

plasma minus clotting factors

Question 6

plasma

Answer 6

liquid part of blood

Question 7

Albumin

Answer 7

serum protein that transport FFA, water, metal ions, acidic drugs and bilirubin

Question 8

Protein C and S

Answer 8

anticoaggulants, require vitamin K

Question 9

plasmin

Answer 9

breaks down clots

Question 10

ADH

Answer 10

anti-diuretic hormone. Made in hypothalmus, stored in pituitary gland. Increases water uptake

Question 11

Aldosterone

Answer 11

Increase water excretion

Question 12

Osmolarity of a solution

Answer 12

can be determined in terms of freezing point depression

Question 13

Plasma markers

Answer 13

Radiodinated serum albumin, evans blue (binds albumin), radioactive iron/chromium

Question 14

EC fluid marker

Answer 14

Isotopic Na+, inulin (polymer of fructose), mannitol

Question 15

Total body water marker

Answer 15

heavy or tritiated water, urea

Question 16

osmolar concentration

Answer 16

defined by number of partiles (I molar urea = 1 osmolar, 1 molar NaCl=2 osmolar). Body wants equal osmolar concentrations