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BIOL 1002 Supplemental Instruction Exam 3 Review Questions and Answers Latest Updated
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BIOL 1002 Supplemental InstructionExam 3 Review
1. Mixing of oxygenated and deoxygenated blood within the heart occurs in the
______.
a. Flatworm
b. Fish
c. Frog – 3CHAMBERS1ventriclemixing of blood
d. Dog
e. Bird
2. The most important factor in the return of blood flow back to the heart is _____.
a. Valves in the veins
b. High pressure
c. The pumping of the heart
d. Skeletal muscle contraction veins and venules bring blood back to heart
3. The cardiac cycle is _____.
a. The action of the heart in a minute’s time
b. The time period between the two heart sounds
c. The synchronous contraction of the two atria followed by the contraction
of the two ventricles
d. The blood leaving the heart and returning to the heart
4. Epinephrine is given as treatment for shock victims because _____.
a. It is an anticoagulant
b. It eliminates excess water and salts from the body, reducing blood
pressure
c. It dilates the coronary artery carrying oxygenated blood to the heart
muscle
d. It increases heart rate and blood pressure resets heart rate
5. Which of the following is NOT a part of all circulatory systems?
a. An open region inside the body where internal organs are immersed
directly in the fluid hemocoel(open circulatory systems)
b. A system of passageways that carry the fluid
c. A muscular pump for pushing the fluid through the passageways
d. A fluid that acts to transport substances throughout the body
6. What is the overriding main function of the vertebrate circulatory system?
a. To cool the body
b. To regulate the pH of fluids in the body
c. To fight against invading pathogens
d. To transport substances oxygen,nutrients,hormones, CO2, waste
7. Uncoordinated and irregular contractions of one of the chambers of the heart are
referred to as _____.
a. Fibrillations
b. A stroke
c. A pacemaker
d. A delay of the atrioventricular node
, BIOL 1002 Supplemental Instruction
Exam 3 Review
8. What is the determining factor that stimulates erythropoietin release from the
kidney?
a. Too little carbon dioxide in the blood
b. Too little oxygen in the blood (stimulates the production of red blood
cells)
c. Too much carbon dioxide in the blood
d. Too much oxygen in the blood
9. Which of the following people would have the highest blood pressure during
ventricular relaxation?
a. A person with a diastolic pressure of 90
b. A person with a blood pressure of 100/80
c. A person with a systolic pressure of 130
d. A person with a blood pressure of 110/70
10. Which of the following blood pressures has the highest systolic reading?
a. 150/90 systolic/diastolic
b. 90/55
c. 130/95
d. 120/80
e. 140/70
11. What would happen if a person received a drug that acted as a thrombin(converts
fibrinogen into fibrin) inhibitor(stops it)?
a. Their ability to produce blood clots would be inhibited
b. They would become anemic because of a decrease in the number of red
blood cells
c. Their heart rate would increase
d. Their heart rate would drop
12. Megakaryocytes are responsible for the production of platelets
13. Animals have two major types of circulatory systems: open and closed
14. Hemoglobin causes the red color in erythrocytes
15. Arteries carry blood away from the heart
16. G aorta
17. B left ventricle (oxygenated blood) pumping to
aortamuscular pump blood to rest of the body
18. D semilunar valves
19. A right atrium
(deoxygenated) right is always
deoxygenated left is oxygenated
20. E atrioventricular valve between
atria and ventricles
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