8:50 Search < Back BloodVesselsLab-1.docx SOUTH SEATTLE COLLEGE LAB: Blood Vessel Lab NAME: EXERCISE #1: Blood Vessel St

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8:50 Search < Back BloodVesselsLab-1.docx SOUTH SEATTLE COLLEGE LAB: Blood Vessel Lab NAME: EXERCISE #1: Blood Vessel Structure and Function Directions: Blood vessels contain 3 tunics, each with its own specific histology. The histology will allow each of the tunics to perform specific functions. In the chart below, match the Key Choice (blood vessel tunic) to the descriptions. KEY CHOICES: A. Tunica intima B. Tunica media C. Tunica externa BIOL&242-AP2 Cynthia Dix, BS, DC 1. Single thin layer of endothelium associated with a small amount of connective 2. Thicker middle layer containing smooth muscle cells and elastin fibers 3. Provides a smooth surface to decrease resistance to blood flow 4. The only tunic present in capillanes 5. Called the advent when located on organs above the diaphragm 6. The only tunic that responds to ensure blood pressure regulation 7. The supporting, protective layer 8. (3 points). Make a simple drawing of the 3 tunics of an artery and 3 tunics with valves for a vein. Also include a simple drawing of a capillary. Dashboard Calendar To Do Notifications 19 Inbox
Search Back BloodVesselsLab-1.docx Exercise # 2 - Blood Vessel Mapping For questions 9 and 10 of the lab assignment, you will pretend that you are a red blood cell that needs to travel from Blood Vessel A to Blood Vessel B in the human body. Write down all the blood vessels you will travel through. This pathway may include blood vessels in both circuits and both sides of the heart. Hints and/or Rules of Making "Driving Directions": ✓ To go from an artery to a vein, you need to go through an arteriole, capillary and venule. ✓ To go from the systemic circuit to the pulmonary circuit, you must visit the right side of the heart. ✓ To go from the pulmonary circuit to the systemic circuit, you must visit the left side of the heart. ✓ To go from systemic artery A to systemic artery B, you must visit the systemic veins, right heart, entire pulmonary circuit and left heart before going to systemic artery B. ✓ Don't forget about the hepatic portal system. Most venous blood from the abdominal organs have to go through the hepatic portal vein before returning to the general systemic circuit. ✓ There may be more than 1 right answer as there might be multiple pathways to begin and end. ✓ You will need to look at multiple pages in your textbook when designing your "driving directions". ✓Keep your answer clear and accurate using ONLY THIS FORMAT: "starting artery" à next artery à etc. 9. Start at the Right Renal Artery and end at the Left Middle Cerebral Artery. Right renal artery à
8:51 Search < Back BloodVesselsLab-1.docx Keep your answer clear and accurate using ONLY THIS FORMAT: "starting artery" à next artery à etc. 9. Start at the Right Renal Artery and end at the Left Middle Cerebral Artery. Right renal artery à 10. Start at the Left Popliteal Artery and end at the Right Brachial Vein. Left popliteal artery à Dashboard Calendar To Do 19 Notifications Inbox
8:51 Search < Back Assume someone has been injured in a car accident and is bleeding profusely. What pressure points could you compress to help stop the bleeding from the following areas? 11 Thigh 12. Forearm 13. Caf 14. Thumb BloodVesselsLab-1.docx 15. Ankle Exercise #3 - Special Circulations Consider the arterial circulation of the brain. The arterial circulation is an anastomosis called the Circle of Willis. Review the diagram on page 741 of the text and then answer the following questions. 16. What two pairs of arteries arise from the internal carotid artery? 17. The posterior cerebral arteries serving the brain arise from what artery? 18. What nervous and endocrine structures are found in the middle of the Circle of Willis? 19. A routine brain scan on an elderly man reveal a partial occlusion (blockage) of the internal carotid artery, het blood supply to his cerebrum is unimpaired. What are two possible causes of the occlusion? 20. What compensatory mechanism is maintaining blood supply to the brain? Explain your answer. Dashboard Calendar To Do Notifications 19 Inbox
8:51 Search < Back BloodVesselsLab-1.docx Assume someone has been injured in a car accident and is bleeding profusely. What pressure points could you compress to help stop the bleeding from the following areas? 11. Thigh 12. Forearm 13. Cal 14. Thumb 15. Ankle Exercise # 3 - Special Circulations Consider the arterial circulation of the brain. The arterial circulation is an anastomosis called the Circle of Willis. Review the diagram on page 741 of the text and then answer the following questions. 16. What two pairs of arteries arise from the internal carotid artery? 17. The posterior cerebral arteries serving the brain arise from what artery? 18. What nervous and endocrine structures are found in the middle of the Circle of Willis? 19. A routine brain scan on an elderly man reveal a partial occlusion (blockage) of the internal carotid artery, het blood supply to his cerebrum is unimpaired. What are two possible causes of the occlusion? 20. What compensatory mechanism is maintaining blood supply to the brain? Explain your answer.
8:51 Search < Back BloodVesselsLab-1.docx Assume someone has been injured in a car accident and is bleeding profusely. What pressure points could you compress to help stop the bleeding from the following areas? 11. Thigh 12. Forearm 13. Calf 14. Thumb 15. Ankle Exercise # 3 - Special Circulations Consider the arterial circulation of the brain. The arterial circulation is an anastomosis called the Circle of Willis. Review the diagram on page 741 of the text and then answer the following questions. 16. What two pairs of arteries arise from the internal carotid artery? 17. The posterior cerebral arteries serving the brain arise from what artery? 18. What nervous and endocrine structures are found in the middle of the Circle of Willis? 19. A routine brain scan on an elderly man reveal a partial occlusion (blockage) of the internal carotid artery, het blood supply to his cerebrum is unimpaired. What are two possible causes of the occlusion? 20. What compensatory mechanism is maintaining blood supply to the brain? Explain your answer.