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Science, Physical Ed
12th
grade
Structure and Function of the Cardiovascular System
12 questions
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- 1. Multiple Choice
Which of the following statements is correct?
All veins carry deoxygenated blood
Veins have a narrow lumen
Veins contain pocket valves
Blood in veins travels under high pressure
- 2. Multiple Choice
The sympathetic nervous system has what effect on heart rate?
Slows it down
Speeds it up
Maintains it
- 3. Fill in the Blank
The role of the ____________ is to stop oxygenated and deoxygenated blood mixing
- 4. Multiple Choice
Which is the correct passage of blood through the left side of the heart?
Atrium, tricuspid valve, ventricle, pulmonary vein
Atrium, bicuspid valve, ventricle, semi-lunar valve, aorta
Atrium, semi-lunar valve, ventricle, pulmonary artery
Atrium, tricuspid valve, ventricle, vena cava
- 5. Multiple Choice
The firing of the sinoatrial node (SAN) causes...
The atria to contract and empty
The ventricles to contract and empty
The atria to relax and fill
The ventricles to relax and fill
- 6. Fill in the Blank
The release of body heat to reduce temperature is caused by ___________ of the arterioles
- 7. Multiple Choice
Which of the following is NOT a function of the cardiovascular system?
Delivery of oxygen
Removal of waste
Storage of glycogen
Blood clotting
- 8. Multiple Choice
The parasympathetic nervous system stimulates the SAN through...
The phrenic nerve
The accelerator nerve
The sciatic nerve
The vagus nerve
- 9. Multiple Choice
If the full cardiac cycle takes around 0.8 seconds, what would be the resulting heart rate (in beats per minute)?
75
48
112
80
- 10. Fill in the Blank
A key feature of the _____________ in the heart is to stop blood flowing the wrong way
- 11. Multiple Choice
Which if the following blood vessels is the smallest?
Arterioles
Venules
Veins
Capillaries
- 12. Fill in the Blank
The pulmonary vein is the only vein in the body to carry _____________________ blood
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