Blood Basics
What is the primary function of leukocytes?
To fight infections and support the immune system
What are the two upper chambers of the heart called?
Atria
What is the first chamber to receive deoxygenated blood?
Right Atrium
What is another name for a heart attack?
Myocardial infarction
Which valve is located between the left atrium and left ventricle?
Mitral/Bicuspid valve
What organ is primarily responsible for breaking down and removing old or damaged red blood cells?
The spleen
What is the thickest layer of the heart wall?
Myocardium
What blood vessel carries oxygenated blood from the lungs to the heart?
Pulmonary veins
What is inflammation of the pericardium called?
Pericarditis
What is the largest artery in the body?
Aorta
Whoch occurs first in the process of Hemostasis
Vascular Spasm
Name the two semilunar valves
Pulmonary semilunar valve and aortic semilunar valve
Which chamber of the heart pumps blood into the pulmonary circulation?
Right ventricle
What blood disorder is caused by an overproduction of red blood cells, leading to thickened blood and an increased risk of clotting?
Polycythemia
Name the two semilunar valves.
Pulmonary semilunar valve and aortic semilunar valve.
T/F: Hemoglobin can also carry Carbon Dioxide
True
Which artery is commonly referred to as the "widow-maker" due to its critical role in supplying blood to the heart?
nterior interventricular artery
Which chamber of the heart pumps oxygenated blood into the systemic circulation?
L. Ventricle
What is the medical term for high blood pressure?
Hypertension
What major veins return deoxygenated blood to the right atrium?
Superior vena cava and inferior vena cava.
What blood type is the universal recipient?
O negative
What are the three layers of the heart wall?
Epicardium, myocardium, and endocardium
List the four structures blood passes through in order after leaving the left atrium
Mitral valve → Left ventricle → Aortic semilunar valve → Aorta
What condition occurs when blood flow to part of the brain is blocked, causing tissue damage?
Stroke
Which blood vessels are the exception to the rule that arteries carry oxygenated blood and veins carry deoxygenated blood?
Pulmonary arteries and pulmonary veins