Bios 255 Midterm/Finals
1. veins: Which of the typical blood vessels has a thin tunica tunica media dominat-
ed by collagen fibers?
2. Fenestrated capillaries: Capillaries surrounding the choroid plexus is of which
type?
3. Atriovenous Anastomosis: Blood flow through a capillary bed is passed by what
structure?
4. -With the aid of contractions of the adjacent skeletal muscles.
-Valves in the veins prevent the backflow of the blood
-Pressure at the venules is higher than the pressure at the venae cava: Blood
flows toward the heart in the veins by?
5. Resistance: As the blood flows from venules toward the heart, what increases?
6. ANP & BNP: Blood volume is decreased by what two hormones?
7. Nitric Oxide: Which of the following is not a vasoconstrictor?
-Prostagladin
-Thromboxones
-Nitric Oxide
8. False: Vasodilation is achieved by adrenergic receptors. True or False
9. Carotid Sinuses: Baroreceptors are found in what sinus?
10. Arteries: Which of the typical blood vessels has thick tunica media dominated
by smooth muscle cells and elastic fibers?
11. Muscular Artery: Femoral artery is a type of what artery?
12. Continuous Capillaries: Capillaries that have a complete lining are called
what?
13. Precapillary Sphincter: Blood flow through a capillary is regulated by what?
14. Resistance: As the blood flows from the aorta towards the cappilaries what
increases?
15. False: Pressure gradient of water causes osmosis. True or False
16. Prostagladin: Which of the following is NOT a vasodilator?
17. True: Venous reserve is used during extreme blood loss. True or False
18. Aortic Bodies: Chemoreceptors are found in what?
19. False: Venous valves allow blood to flow in BOTH directs. True or False.
20. The closure of the heart valves: The normal heart sounds are caused by what?
21. Pump blood against a greater pressure: The left ventricular wall of the heart
is much thicker than the right wall in order to do what?
22. QRS Complex: Ventricular depolarization corresponds to what complex?
23. Left Atrium: Blood within the pulmonary veins returns to the heart in what
location?
24. 0.8 seconds: When the heart rate is at 75, the duration of one cardiac cycle is
how long?
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1. veins: Which of the typical blood vessels has a thin tunica tunica media dominat-
ed by collagen fibers?
2. Fenestrated capillaries: Capillaries surrounding the choroid plexus is of which
type?
3. Atriovenous Anastomosis: Blood flow through a capillary bed is passed by what
structure?
4. -With the aid of contractions of the adjacent skeletal muscles.
-Valves in the veins prevent the backflow of the blood
-Pressure at the venules is higher than the pressure at the venae cava: Blood
flows toward the heart in the veins by?
5. Resistance: As the blood flows from venules toward the heart, what increases?
6. ANP & BNP: Blood volume is decreased by what two hormones?
7. Nitric Oxide: Which of the following is not a vasoconstrictor?
-Prostagladin
-Thromboxones
-Nitric Oxide
8. False: Vasodilation is achieved by adrenergic receptors. True or False
9. Carotid Sinuses: Baroreceptors are found in what sinus?
10. Arteries: Which of the typical blood vessels has thick tunica media dominated
by smooth muscle cells and elastic fibers?
11. Muscular Artery: Femoral artery is a type of what artery?
12. Continuous Capillaries: Capillaries that have a complete lining are called
what?
13. Precapillary Sphincter: Blood flow through a capillary is regulated by what?
14. Resistance: As the blood flows from the aorta towards the cappilaries what
increases?
15. False: Pressure gradient of water causes osmosis. True or False
16. Prostagladin: Which of the following is NOT a vasodilator?
17. True: Venous reserve is used during extreme blood loss. True or False
18. Aortic Bodies: Chemoreceptors are found in what?
19. False: Venous valves allow blood to flow in BOTH directs. True or False.
20. The closure of the heart valves: The normal heart sounds are caused by what?
21. Pump blood against a greater pressure: The left ventricular wall of the heart
is much thicker than the right wall in order to do what?
22. QRS Complex: Ventricular depolarization corresponds to what complex?
23. Left Atrium: Blood within the pulmonary veins returns to the heart in what
location?
24. 0.8 seconds: When the heart rate is at 75, the duration of one cardiac cycle is
how long?
1/4
