7.4: Post-Lab 7 Questions
(3 points)
Last Name: _______________________ First Name: _______________________
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List the function of each cardiac layer and number the order from most to least superficial. (0.5 point)
- Pericardium:
- Myocardium:
- Endocardium:
- Epicardium:
- Explain why the left ventricle’s walls are thicker than the right ventricle’s. (0.5 point)
- A child is stung by a bee and experiences an anaphylactic reaction. Upon observing the pathology, you notice a large increase in the number of very large granulocytic white blood cells whose granules obscure the nucleus. What type of cell did you observe? (0.5 point)
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Correctly match the term with the correct order of blood flow through the heart. (0.5 point)
Venous blood enters the ______ from the ________ and ________ as well as the coronary sinus, which converge into the the ________. From there blood passes the _______ valves and enters the _______. The venous blood passes through the _______ and from there branches off into the _______ and ______ before circulating through the _____. After being oxygenatated, the blood re-enters the heart through the ________ which converge into the _______. Then the blood flows through the _______ into the ________. From here, blood is ejected through the ________ into the ______ before entering the _______ and finally systemic circulation.
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- Superior vena cava
- Inferior vena cava
- Right atrium
- Left atrium
- Lungs
- Pulmonary veins
- Left pulmonary artery
- Right pulmonary artery
- Right atrioventricular valve
- Mitral valves
- Ascending aorta
- Arch of aorta
- Aortic semilunar valve
- Pulmonary semilunar valve
- Left ventricle
- Right ventricle
- Heart
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What is the anatomical significance of the pericardium and epicardial fat? The visceral layer of the pericardium is also known as the _________________? (0.5 point)
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An individual who cannot coagulate properly is at risk of bleeding out with any significant lesion. A reduction in what type of cell might cause this in such an individual? How does this affect the composition of their blood? (0.5 point)