Blood Flashcards
the only classified tissue to be liquid in form; it is a ____ connective tissue
Blood
transport medium that is pumped by the heart; a vehicle for transporting nutrients, gases, or waste products
Blood
What are the blood vessels, what is its function?
the passageway of blood (e.g. arteries, veins, capillaries – for exchange of gases)
the study of blood, blood-forming tissues, and the disorders associated with them
Hematology:
Functions of Blood
Transportation, Regulation, and Protection
T or F
Scarlet red: oxygenated blood
Dull pink: deoxygenated blood
FALSE
Scarlet red: oxygenated blood
➢ Dull red: deoxygenated blood
What should the ph of the blood be?
pH must remain between 7.35 – 7.45
T or F
Blood temperature is slightly lower than body temperature (100.4 F or 38.1 C)
FALSE
Blood temperature is slightly higher than body
temperature (100.4 F or 38.1 C)
Why is blood’s temperature higher??
This is due to the friction generated as blood circulates or moves throughout the body
Normally, blood volume is about _____ liters
Blood makes up __% of the body weight
Normally, blood volume is about 5 – 6 liters
Blood makes up 8% of the body weight
What percentage does blood plasma made up of?
Blood Plasma (55% of Blood)
___________: red blood cells
___________: white blood cells
___________: thrombocytes; cell fragments
- Erythrocytes: red blood cells
- Leukocytes: white blood cells
- Platelets: thrombocytes; cell fragments
Its main function is to carry oxygen
RED BLOOD CELLS (ERYTHROCYTES)
has much greater surface area for the diffusion of gas
molecules into and out of the RBC
Biconcave disc:
Iron-containing protein
o Binds strongly, but reversibly, to oxygen (oxyhemoglobin)
Hemoglobin
a decrease in the oxygen-carrying ability of the blood; results in pale color
Anemia:
results from abnormally- shaped hemoglobin
Sickle cell anemia (SCA):
an excessive or abnormal increase in the
number of RBCs; results in reddish or
pinkish color
Polycythemia:
May be caused by bone marrow cancer (polycythemia vera)
It may be a response to life at higher altitudes (secondary polycythemia)
Polycythemia:
List of WBCs from most to least abundant:
- Neutrophils
- Lymphocytes
- Monocytes
- Eosinophils
- Basophils
Crucial in the body’s defense against diseases
These are complete cells, with a nucleus and organelles
WHITE BLOOD CELLS (LEUKOCYTES)
WBC moves by?
amoeboid motion
WBC: Around____ to ___WBC per cubic
millimeter of blood
Around 4,800 to 10,800 WBC per cubic millimeter of blood
- _______: above 11,000 leukocytes/mL; generally indicates an infection
- _______: abnormally low leukocyte level; commonly caused by certain drugs
- _______: bone marrow becomes cancerous; turns out excess WBCs
- Leukocytosis:
o above 11,000 leukocytes/mL; generally indicates an infection - Leukopenia:
o abnormally low leukocyte level; commonly caused by certain drugs - Leukemia:
o bone marrow becomes cancerous; turns out excess WBCs