Lecture test #1 ch. 19- Blood part 1 Flashcards
what are the functions of ions in blood involved in? (3) (OMA)
1) osmosis
2) membrane potentials
3) acid-base balance
what makes blood a suspension?
it has things floating in it
what are CSFs and interleukins?
proteins, hormones that dictate formation of WBC types
before becoming a RBC what can a myeloid stem cell become?
an erythroblast or a reticulocyte
what are the 5 types of leucocytes?
1) basophil
2) eosinphil
3) neutrophil
4) monocytes
5) lymphocytes
the process by which new red blood cells are produced
erythropoiesis
what makes blood a mixture?
it has more than one thing
what are some things that RBCs can’t do? (4) (MSRR)
1) mitosis or meiosis
2) synthesize proteins
3) repair when damaged
4) reproduce
what will a myeloid stem cell become?
any blood cell but a lymphocyte
what is the function of albumin in blood?
partly responsible for blood viscosity and osmotic pressure
what is the functions of platelets? (FR)
1) forms platelet plugs
2) releases chemicals necessary for blood clotting
how much blood is in the human body?
about 4-6L
what is the oxygen to RBC ratio?
1 billion oxygen/RBC
what is carbaminohemoglobin?
Hb carrying carbon dioxide
where does thrombopoietin come from?
the liver
what does EPO do?
makes a myeloid stem cell become an erythrocyte
what is true of RBC’s surface area to volume ratio?
it has a high surface area compared to volume
does erythrocytes have nuclei?
no
what are some characteristics of platelets? (3) (CWC)
1) clotting
2) will stick to collagen
3) can spin
how many oxygen molecules can 4 hemes carry?
4
what do macrophages do?
engulf and destroy RBC parts of heme
what does a macrophage cause a heme to become?
biliverdin or billirubin
what do cell equal?
formed elements
what is the function of the waste product billirubin in plasma? (2) (BE)
1) breakdown products of RBCs
2) excreted as part of the bile from the liver into the small intestine