Blood Flashcards
What is the clear yellowish fluid portion of the blood?
plasma
How much of the blood does plasma make up?
54-55%
How much of plasma is water?
90%
Does plasma contain dissolved molecules?
yes
What does plasma transport?
proteins
Does plasma contain antibodies or starch?
antibodies
True or false: is plasma a transporter substance?
true
What are the most numerous of the blood cells?
Erythrocytes (Red Blood Cells)
Where are RBC produced?
bone marrow, particularily in that of the ribs and vertebrae
Do erythrocytes contain a nucleus or mitochondria?
no
What is the life expectancy of a RBC?
2-4 months
What is the red-coloured protein the RBCs contain?
hemoglobin
What is the job of hemoglobin?
binds to oxygen
Can RBC reproduce on their own?
no
What is hemoglobin responsible for?
the transport of oxygen
Who is oxygen saturation monitored by?
health care workers
What are normal blood oxygen levels?
95-100%
What happens if your blood oxygen levels are below 90%?
hypoxia (low levels of O2 in blood)
What happens if your blood oxygen levels are below 80%?
compromised organ function; must be addressed immediately!
What are Thrombocytes (Platelets)?
cell fragments (not true cells)
How do platelets float in blood?
passively
How long do platelets live for?
7-11 days
What do platelets collect and stick to?
cut blood vessels
What are platelets responsible for?
clotting
What protein do platelets release?
fibrin
Where are Leukocytes (White Blood Cells) produced?
- bone marrow
- lymph nodes
- thymus
- spleen
Which blood cell is an important component of the body’s immune system?
WBC