252 Lab4 Vessels - Lab 4 PDF

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BIO 252 Pre-lab Lab 4 – Blood Vessels

Name: _______________________________

Go to www.MasteringAandP.com. Once you have logged in, click on the blue “Study Area (myA&P)” button above the calendar. In the black bar on the left, click on PAL 3.0 (down at the bottom). On the next screen, click on the blue Practice Anatomy Lab 3.0 link at the top. In PAL, click on the Human Cadaver tab. Click on Cardiovascular System, then select Blood Vessels. We will be looking at MANY slides this week, but you are responsible ONLY for the blood vessels indicated for each slide. Due to the number of images, I recommend screen capturing each image so you can review more easily. Also note that it is much easier to see the vessels without all the labels. So once you see where the vessel is, turn off the labels and roll your mouse over the vessel to highlight it. Slide 1: Click “Show Labels.” In this image, you should be able to identify the External Jugular. Slide 2: Internal jugular Slide 3: Common carotid Slide 6: Superior sagittal Sinus, Transverse sinus, Confluence of sinuses, Vertebral artery Slide 8: Anterior Cerebral artery, Straight sinus Slide 9: Internal carotid, Basilar artery, Vertebral artery, Posterior communicating artery Slide 10: Vertebral artery Slide 14: Pulmonary trunk, Aorta, Brachicephalic trunk, Subclavian artery, Superior Vena Cava, Right Brachiocephalic vein, Common carotid, Internal jugular Slide 20: Inferior mesenteric artery & vein, Aorta, Inferior vena cava Slide 21: Hepatic portal vein Slide 23: Renal vein, Aorta, Inferior vena cava, Common iliac, External iliac, Testicular vein & artery Slide 27: Median cubital vein, Cephalic vein Slide 28: Basilic vein Slide 29: Radial artery, Ulnar artery, Superficial palmar arch Slide 30: Axillary vein, Brachial artery & vein, Radial artery, Ulnar artery Slide 31: Subclavian artery, Brachiocephalic trunk, Common carotid, Axillary artery, Deep artery of arm, Brachial artery Slide 33: Great saphenous vein Slide 34: Small saphenous vein Slide 36: Anterior tibial artery & vein, Dorsalis pedis artery Slide 37: Femoral artery Slide 38: Femoral artery & vein Slide 43: Medial & Lateral Plantar arteries

BIO 252 Pre-lab Lab 4 – Blood Vessels

Name: _______________________________

Close your PAL window and return to the Study Area window where you selected PAL. In the black bar on the left, click on Interactive Physiology. On the next page, Scroll down to Chapter 19 and click on Cardiovascular System: Anatomy Review: Blood Vessel Structure and Function. Near the top of the next page, under Topic, click again on Cardiovascular System: Anatomy Review: Blood Vessel Structure and Function. This should open another window with an animation. If the new window does not open, you may need to turn off your pop-up blockers. Make sure your volume is not on mute. After watching/listening to each page, you will hit the blue arrow under the slide to switch to the next page. Use the information in the animation to answer the following questions. 1. What are the 3 tunics that compose the walls of most blood vessels? a. Use Page 3 of the activity to fill in the following table: (If you miss what she says, you can click on each red word to see the information she presented) Tunic

Main component(s)

Function/Role

2. Page 4: Which type of vessel has the thickest tunica media? a. Which vessels consist only of tunica intima? b. Which vessels are subjected to the least pressure? 3. Page 5: Be able to ID the artery and vein shown. a. Which one has thicker walls? 4. Page 7: What are the 3 groups of arteries? 5. Page 8: What are the 3 key points listed about the Elastic arteries?

6. Page 9: According to this chart, what is the minimum blood pressure in the aorta? What’s the max?

7. Page 10: What are the 2 key points listed about Muscular arteries?

BIO 252 Pre-lab Lab 4 – Blood Vessels

Name: _______________________________

8. Page 12: What are the 4 key points listed about Arterioles?

9. Page 15: What are the 3 key points listed about Capillaries?

10. Page 16: What is a shunt? a. What is the role of the precapillary sphincter?

11. Page 17: Click on a sphincter to see the effect on bloodflow through the bed. a. How is bloodflow affected?

12. Page 19: What are the 2 key points listed about Venules?

13. Page 22: What is the thickest layer of a vein?

14. Page 23: Blood pressure is lowest in the __________________________________________. a. What 3 adaptations help return blood to the heart?

15. Page 24: Valves are flaps of tunica ___________________________. a. Valves are most abundant in the ___________________________ because bloodflow must oppose gravity. 16. Page 25: Briefly describe the Muscular pump.

a. Where does it occur? 17. Page 26: Briefly describe the mechanism behind the Respiratory pump....