Exam 3 Blood and Hematopoiesis Flashcards
What are the 3 functions of blood?
- Transport
- Temp. regulation
- Water balance
What are the 2 broad categories of blood contents?
- plasma (60%)
2. formed elements (40%)
What are the 3 components of plasma?
- Water (90%)
- Proteins (8%)
- Other solutes (2%)
What is the diff. between plasma and serum?
plasma is found in vasculature and serum lacks coagulation proteins (fibrinogen)
What are the 3 major formed elements found in blood?
- RBC
- WBC
- Platelets
What is the most numerous formed element in blood?
RBC
what are the 2 functions of RBCs?
- Carry O2 to tissue and Co2 to lungs
2. Involved in acid-base homeostasis
the size of RBCs are measured in ____
Femtoliters (fL)
T/F. RBC lifespan is about the same between all species?
F. varies by size
What is different about caprine RBCs?
Can have spherical shape
______ are sickle-shped RBCs that form after O2 exposure in Deer.
Drepanocytes
Why are camelid erythrocyes oval?
to prevent RBCs from bursting after gorging themselves with water after long periods without water.
What are polychromatophils?
RBCs that are 1 stage back in development
T/F. It is abnormal in mammals to find nucleated RBCs?
T
What are the least numerous cells found in formed blood?
Leukocytes
What is the function of WBCs?
inflammation and the immune response
What are the 2 major categories of WBCs?
- Myeloid
2. Lymphoid
What are the 4 types of Myeloid WBCs?
- Neutrophils
- Eosinophils
- Basophils
- Monocytes
What is the 1 type of lymphoid WBC?
Lymphocytes
What are the most numerous WBCs
Neutrophils
What is the function of Neutrophils
Innate immunity
Phagocytic and killing cells