5 Written questions
5 Matching questions
- Platelets, also called thrombocytes are the smallest of the cells in the blood. What is their function?
- White blood cells (leukocytes) function is:
- The human heart has 4 chambers, name them.
- What are veins?
- The circulatory system is commonly known as what?
- a Function is to return deoxygenated blood to the heart; high amount of smooth muscle in walls.
- b right atrium- it fills the right ventricle with blood.
right ventricle - pumps to lungs
left atrium - it fills the right ventricle
left ventricle - pumps blood to systemic circulation.
- c The Cardiovascular System.
- d Defense against infection. They have a nucleus and live hours to days at a time.
- e To prevent blood loss; important in clot formation.
5 Multiple choice questions
- Because aspirin, given in small doses, inhibits some of the platelet functions, like clotting formation.
- It rests on the diaphragm, wedged between the lungs in the mediastinum of the thorax (mediastinum is the part of the thoracic cavity located between the lungs).
- 1) Neutrophils (the most common are phagocytic; 55% - 70% of total white blood count). They seek out bacteria and ingest and kill them. They are near sites of injury2) Eosinophils (2-5% of total blood count). They attack parasites and are responsible for allergic response within the blood.3) Basophils (less than 1% of total wbc count) secrete anti-coagulant and antibodies. 4) Monocytes (5%-8% in total wbc count) are the largest of the wbc and they act as macrophages and remove foreign particles; play a key role in immunity. 5) Lymphocytes role in recognizing self and nonself, they can only recognize certain antigens.
- Large vessels; elastic muscles to carry on power of the heart. They are the higher-pressure portion of the circulatory system. (blood away from the heart toward the tissue).
- Liquid connective tissue that transports oxygen and nutrients throughout the body.
5 True/False questions
Death and destruction of blood cells last how long? → 120 days about.
How is the blood supplied to the heart? → By the coronary arteries.
Two mechanisms that regulate the circulatory system are? → Neural and Endocrine
What is the function of the circulatory system? → Its an important communication and transport channel with networks, in the form of blood vessels, linking various tissues.
What are erythrocytes? → "Faucet" regulates blood pressure; delivers blood to the capillaries.