CV System: The Blood Flashcards
Blood is what type of tissue?
Connective
What is blood composed of?
Plasma, dissolved substances, formed elements
What are the functions of blood?
Transportation, Regulation, Protection
What are the formed elements of blood?
erythrocytes, leukocytes, platelets
What is hematocrit?
Percentage of total blood occupied by RBCs
What type of pluripotent stem cell gives rise to RBCs, WBCs, platelets?
Myeloid stem cells
What type of pluripotent stem cell gives rise to lymphocytes?
Lymphoid stem cells
What is hemopoeisis?
The process by which formed elements of blood develop
What is erythropoeitin?
Hormone that stimulates RBC production by increasing # of RBC precursors
What is interstitial fluid?
The fluid that bathes body cells
What is anemia?
A significant drop in hematocrit
What is polycythemia?
An abnormally high percentage of RBCs
The process by which WBCs leave the bloodstream is known as _________.
emigration
RBCs lack _________ and generate ATP _________. Consequently, they do not use the ________ they are transporting
mitochondria
anaerobically
oxygen
Macrophages in the ____ and ______ remove dead RBCs through _______.
Liver
Spleen
phagocytosis
List the different types of White Blood Cells
Neutrophils Lymphocytes Monocytes Eosinophils Basophils
What is leukocytosis?
An increase in WBCs due to stress, such as microbes, strenuous exercise, surgery
What is leukopenia?
A decrease in WBCs due to radiation, shock or chemotherapy
Phagocytes are attracted to inflamed tissues through a process called _______.
chemotaxis
High Neutrophil count can be attributed to _____
Bacterial infection, burns, stress, inflammation
High Lymphocyte count can be attributed to ______.
Viral infection, leukemia
High Monocyte count can be attributed to _________.
Viral or fungal infection, chronic diseases
High Eosinophil count can be attributed to _____
allergic reaction, parasites, autoimmune disorder
High Basophil count can be attributed to_______
allergic reaction, cancers, hyperthyroidism
Thrombosis is _______
clotting in an unbroken blood vessel
Thrombus is ______
the clot itself
Embolus is ________
clot, air bubble, fat particle, debris transported by bloodstream
