1. UNIT 6: Cardiovascular System Review

2. Blood

3. Which of the following are not cellular components of blood?
1) platelets
2) red blood cells
3) white blood cells
4) all are cellular components of blood

4. Approximately how long do red blood cells “live?”
1) 7-10 days
2) days
3) days
4) days

5. Which of the following is not a function of blood?
1) distribution (ex: Deliver oxygen and nutrients to body cells)
2) regulation (ex: Maintain body temp)
3) protection (ex: Prevent blood loss)
4) All are functions of blood

6. Name of the protein existing within red blood cells and is responsible for transferring oxygen?
1) Fibrin
2) Collagen
3) Elastin
4) Hemoglobin

7. Which of the following is not found in blood plasma?
1) NaCl
2) sugars
3) amino acids
4) hemoglobin
5) K+
Found in RBC’s

8. Which blood type is known as the universal donor?
4) AB+
5) O-
6) AB-

9. Hemostasis is accomplished by?
1) Blood vessel spasm
2) Platelet Plug
3) Coagulation
4) All of the above
5) 1 and 3 only

10. The Rh factor becomes a concern in which of the following situations?
1) Mother is Rh+, baby is Rh-
2) Mother is Rh+, baby is Rh+
3) Mother is Rh-, baby is Rh+
4) Mother is Rh-, baby is Rh-

11. Any disorder caused by the inability of the blood to carry sufficient oxygen supplies is know as:
1) Anemia
2) Hemophilia
3) Leukemia
4) Bradycardia

12. What is an erythrocyte?
1) white blood cell
2) platelet
3) red blood cell
4) lymphocyte

13. Blood Vessels

14. What type of vessel carries blood directly to the heart?
1) Artery
2) Arteriole
3) Capillary
4) Venule
5) Vein

15. What type of vessel carries blood directly away from the heart?
1) Artery
2) Arteriole
3) Capillary
4) Venule
5) Vein

16. Where does gas and nutrient exchange occur between the body cells and blood?
1) Artery
2) Arteriole
3) Capillary
4) Venule
5) Vein

17. Which layer is thickest in arteries?
1) Tunica Media
2) Tunica Adventitia
3) Tunica Intima

18. Valves are present in?
1) Arteries
2) Arterioles
3) Capillaries
4) Venules
5) Veins

19. Blood flows through two closed circuits in the body
Blood flows through two closed circuits in the body. What is the name of the indicated circuit?
1) Pulmonary Circuit
2) Systemic Circuit
3) Cardiac Circuit

20. Heart

21. Name the following heart chamber:
1) Right atrium
2) Left atrium
3) Right ventricle
4) Left ventricle

22. Name the following heart chamber:
1) Right atrium
2) Left atrium
3) Right ventricle
4) Left ventricle

23. Name the following vessel:
1) Pulmonary Artery
2) Pulmonary Vein
3) Aorta
4) Vena Cavae

24. Name the following heart structure:
1) Chordae Tendinae
2) Papillary Muscle
3) Interventricular septum

25. What happens during ventricular systole?
1) Ventricles contract
2) Ventricles relax
3) Ventricles fill with blood

26. Where are the pacemakers cells found?
1) SA Node
2) AV node
3) AV Bundle
4) Purkinje Fibers

27. When the SA node sends an electrical signal to the AV node, what results?
Right Atria contracts
Left Atria contracts
Both atria contract
Right Ventricles contract
Left Ventricles contract
Both Ventricles contract

28. Training at high altitude can result in
1) polycythemia
2) hypertension
3) vessel spasm
4) hemophilia
5) leukemia

29. Why does an infant have a Ductus ateriosus & foramen ovale
1) allow deoxygenated blood to flow from left ventricle to right ventricle
2) allow oxygenated blood to flow from right ventricle to left ventricle
3) allow deoxygenated blood to flow from left atrium to right atrium
4) allow oxygenated blood to flow from right atrium to left atrium/into systemic circulation

30. What does the 70 refer to if a person’s blood pressure is 120/70?
1) atrial systole
2) ventricular systole
3) atrial diastole
4) ventricular diastole
5) atrial and ventricular diastole

31. Which blood vessels control blood pressure ?
1) arteries
2) veins
3) capillaries

32. Which of the following conditions is NOT described correctly?
1) tachycardia: slower than normal heart rate
2) heart attack: death of heart cells
3) stroke: death of brain cells
4) aneurysm: bulging, weak area in the wall of an artery
5) hemophilia: genetic condition where blood doesn't clot normally due to a gene mutation