26 Questions
What is the function of platelet aggregation in the hemostasis process?
To form a platelet clump
What is the main function of the intrinsic pathway in hemostasis?
Responding to vascular injury
Which component is critical in converting liquid blood into a semisolid gel known as a clot?
Coagulation factors
Why must collected blood be allowed to clot for at least 30 minutes before centrifugation?
To aid in the clotting process
What is the primary purpose of anticoagulants in blood tubes during centrifugation?
To prevent the coagulation cascade from progressing
What occurs during fibrinolysis in the hemostasis process?
Clot breakdown into FDPs
What is the approximate blood volume in an adult's body?
5 liters
What is the main function of the Pulmonary System?
Circulate blood through the lungs
Where is the primary factory for the production of blood cells located?
Bone Marrow
Which blood element is responsible for carrying oxygen and carbon dioxide?
Erythrocytes (red blood cells)
What is the function of Thrombocytes (platelets) in the blood?
Stoppage of bleeding
How long is the typical lifespan of a red blood cell?
100-120 days
Which component of the blood contains fibrinogen and clotting factors?
Plasma
How do immature cells found in the bloodstream indicate a hematologic problem?
They have a nucleus
Which organ is responsible for producing leukocytes (white blood cells)?
Bone Marrow and Lymph Nodes
What is the function of primary Hemostasis?
Stoppage of bleeding
Which chamber of the heart receives deoxygenated blood via the superior and inferior vena cava?
Right Atrium
What is the main function of the epicardium in the heart?
Covers the heart and attaches to the pericardium
Which valve is located between the left atrium and ventricle?
Left AV Valve (Bicuspid)
What is the main function of the AV node in the heart's electrical conduction system?
Picks up the impulse, slows it down while the atria finish contracting
What is the average heart rate for an adult per minute?
Ave. 72 bpm
Which blood vessel carries oxygenated blood away from the heart?
Artery
What is the main function of valves in blood vessels?
Help blood flow towards the heart
What is the purpose of capillaries in the circulatory system?
To connect arterioles and venules
Where is the cephalic vein located in relation to the arm?
Along the thumb side of the arm
Which layer of a blood vessel is made up of smooth muscle and some elastic fibers?
Tunica Media
Test your knowledge on the right ventricle, left atrium, heart classification, and layers of the heart including epicardium, myocardium, and endocardium. Understand the role of the right ventricle in the circulatory system introduction.
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