Blood Flashcards
Blood is a ___
connective tissue with fluid matrix
Formed elements of blood
- Red blood cells (erythrocytes)
- White blood cells
(leukocytes) - Platelets
(thrombocytes)
Plasma
Fluid portion containing ions, hormones, glucose, etc
Hematocrit
% of blood volume composed of erythrocytes
Normal % of RBC
males: 42-65%
female: 38-46%
red blood cells make up what percentage of a centrifuge sample?
45%
Plasma makes up what percentage of a centrifuge sample?
55%
Buffy Coat
-thin white layer in the middle
-1% composed of platelets and white blood cells
Blood pH is maintained ___
7.35 - 7.45
normal temperature measured rectally is?
100.4 F
Average blood volume for males and females
Males: 5-6L
Females: 4-5L
blood functions
transport
regulates
protection
transport function
transport O2, CO2, nutrients, and waste
regulation functions
regulates temperature, pH, and fluid balance
blood protection functions
white blood cells destroy pathogens and clotting cascade prevents loss of blood