Question & Answers:
1.What artery is used to insert a catheter with a small camera when performing an angiogram to detect a blockage in the heart?
*a. Femoral
b. Carotid
c. Jugular
d. Brachial

2. The human embryonic heart begins to beat after approximately __ weeks after the last menstrual cycle?
a. 4
b. 6
c. 7
*d. 5

3. Venous drainage of the myocardium is via the coronary veins into the coronary sinus which then empties into __________?
a. Left Atrium
*b. Right Atrium
c. Inferior Vena Cava
d. Brachiocephalic

4. Myocardial Infarction is known as what?
a. Heart Murmur
b. Bypass Surgery
c. High Cholesterol
*d. Heart Attack

5. As a child you used to hold your breath and have your friend hold your chest tight until you passed out, what is this called?
a. Sympathetic Innervation
b. Atherosclerosis
*c. Vasovagal Syncope
d. Equine Pericardium

6. What fruit shape is your heart more like?
a. a banana
b. a apple
*c. a pear
d. a orange

7. What is the circulatory system?
a. The body`s system of nerves
b. The body`s food-processing system
*c. The body`s blood-transporting system
d. The body`s breathing system

8. Which type of blood vessels carries blood from the heart?
a. Capillaries
*b. Arteries
c. Veins
d. All of they above

9. Why is the blood flowing from the lungs to the heart bright red rather than dark?
a. Carbon dioxide makes it red.
*b. Oxygen makes it red.
c. The lungs add a pigment to blood as it flows through them.
d. Gastric juices produce the red color of blood.

10. Which of the following can best be compared to a soldiers?
a. Capillaries
b. Red blood cells
*c. White blood cells
d. Lungs

11. What is the main job of the red corpuscles in the blood?
a. To fight disease
b. To clot blood
c. To transport carbon dioxide to the body`s cells and carry away oxygen from the cells.
*d. To transport oxygen to the body`s cells and carry away carbon dioxide from the cells.

12. The heart is divided into how many chambers?
*a. Four - two atrium and two ventricles
b. Five - three atrium and two ventricles
c. Two - one atrium and one ventricle
d. Three - one atrium and two ventricles

13. What are capillaries?
a. The medical name for heart muscle cells.
*b. The smallest blood vessels of the circulatory system.
c. Small lumps of fatty tissue that can clot blood vessels.
d. They help to clot the blood

14. Which blood vessels contain one-way valves to stop the blood from travelling backwards?
a. Capillaries
b. Veins
c. Arteries
*d. Ventricles

15. What is blood pressure?
a. The ratio of oxygen to carbon dioxide within the blood.
b. The concentration of red blood cells within the blood.
*c. The amount of pressure exerted on blood vessel walls as the blood is pumped around.
d. The concentration of white blood cells within the blood.

16. Which type of capillaries have holes within each endothelial cell?
a. Continuous capillaries
b. fenestrated capillaries
c. sinusoid capillaries
*d. all of the above

17. How many different classes of blood vessels are there?
a. 2
b. 5
*c. 3
d. 4

18. Which site is where two or more arteries (or two or more veins) merge to supply the same body region?
a. end arteries
*b. anastomosis
c. functional end arteries
d. companion vessels

19. Which type of vessel has a large number of smooth muscle cell layers in its tunica media as well as elastic tissue confined to an internal elastic lamina and external elastic lamina?
*a. elastic artery
b. muscular artery
c. muscular artery
d. arteriole
e. venule

20. Which of the following is not true about blood vessel tunics?
a. They are a network of small arteries, called the vasa vasorum.
b. They are found in arteries and veins.
*c. They have an innermost layer, and outermost layer, and a middle layer.
d. They are all correct.