Row 1
Which part of the cardiac conduction system is located in the wall of the right atrium?
SA node
The strongest blood vessels are
Arteries
What is another name for the mitral valve?
Bicuspid valve
Causes of chest pain that can be heart-related?
Angina
What is the purpose of the four valves of the heart?
Ensures one-way blood flow to the heart.
Blood pressure is greatest in the arteries ____.
When the ventricles contract.
The innermost layer of the heart, which is thin and smooth.
Endocardium
People with which blood type can receive only one type of blood?
Type O
Receives the impulse from the SA node.
AV node
Which type of circulation delivers blood throughout the body
Systemic circulation
What is blood coagulation?
The formation of a blood clot.
How much blood does the average adult body contain?
4 to 6 liters
The outermost layer of the heart wall, which contains fat that helps cushion the heart, is known as the _________.
The visceral pericardium
What is the most common cause of anemia?
Iron deficiency
Which of the following valves prevents blood from flowing back into the right ventricle?
Pulmonary semilunar valve
Which vein drains the intestines?
Mesenteric vein
What is a hematocrit?
The percentage of red blood cells found in a sample of blood.
What is an embolus?
When a part of a thrombus breaks off.
Plasma makes up what percentage of the blood?
55%
If a person is type A positive blood and is need of a transfusion but there is a shortage, what other blood type can a patient receive?
O-positive
People with Type O blood are ________ .
universal donors
African Americans are most affected by which illness?
Sickle cell anemia
What is the responsibility of Basophils?
Release histamine and heparin and promote inflammation.
Free points
100 points
Define a thrombus?
When blood coagulates on a vessel wall in the absence of a known injury.