Blood Fast Facts
What is the difference between a thrombus and an embolus?
A thrombus is a stationary blood clot and sticks to the walls of blood vessels, an embolus travels through the blood stream.
What is the purpose of the pulmonary circuit?
Sends oxygen depleted blood to the lungs
What are the different waves on a ECG and what do they mean?
P QRS T
P: Atrial Depolarization
QRS: Ventricular Depolarization
T: Repolarization of ventricular muscle fibers
What are the branches of the aorta?
Brachiocephalic Artery
Carotid Artery
Subclavian Artery
What kind of vessel holds the greatest volume of blood?
Veins
What are the 4 blood types? Who can donate/receive to who?
A,B,AB,O
A can receive A or O
B can receive B or O
AB: Can receive blood from any group, universal recipient
O: Can donate blood to any group, universal donor
How does exercise affect the heart?
Heart rate increases
Increased blood flow to muscles
What is the term for when your heart muscle begins to contract rapidly, but with a steady pace?
Flutter
What are the two pacemakers of the heart?
SA node, AV node
What is deep vein thrombosis?
Where a blood clot forms in a deep vein, most commonly in the legs
What role does the muscular system have in blood?
Helps blood move around the body, prevents blood clots. Moving around makes your skeletal system act as a pump.
What is the main risk associated with atherosclerosis?
Risk of a blood clot increases
What is the name for an abnormally slow heart rate?
Bradycardia
What is the correct order of blood flow through the heart? Include valves
Superior/Inferior Vena Cava, Right atrium, tricuspid valve, right ventricle, pulmonary valve, pulmonary arteries, lungs, pulmonary veins, left atrium, mitral valve, left ventricle, aortic valve, aorta
What do hydrostatic pressure and osmotic pressure have to do with blood?
Helps regulate the movement of fluid. When one is higher than the other, it has different effects and movements.
How does leukemia affect the blood?
It leads to the uncontrolled growth of WBC's in the bone marrow, decreasing RBC's.
What is sickle cell anemia?
A blood disorder causing crescent shaped blood cells, it is a genetic mutation.
What conduction issue is the deadliest?
Ventricular Fibrillation
The face/neck
What effect does the nervous system have on the cardiac system?
Regulates heart rate and blood pressure
What are the formed elements of blood?
Red blood cells, white blood cells and platelets. However, it is mostly red blood cells.
What is the main component in blood?
Red Blood Cells
What is the sequence of cardiac conduction?
SA node, AV node, AV bundle, Purkinje Fibers
What are the functions of valves?
They permit one way blood flow
Mitral valve (bicuspid): LA to LV
Tricuspid: RA and RV
Pulmonary Valve: RV and PA
What type of muscle needs to contract to have an increase on blood pressure?
Smooth muscle in the arteries