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HSF II Lab III
Exercise 3
| Question | Answer |
|---|---|
| Deoxygenated blood entering the right atrium from the head/neck/upper extremities flows through the [blank] vena cava, while blood from the lower portion of the body flows through the [blank] vena cava. | superior, inferior |
| Major coronary artery that follows the anterior interventricular sulcus is the: | anterior interventricular artery |
| Major coronary vein that follows the anterior interventricular sulcus ins the: | great cardiac vein |
| The pulmonary (arteries or veins) carry blood from the heart to the lungs, while the pulmonary (arteries or veins) carry blood from the lungs to heart. | arteries and veins |
| Trace the cell of a single RBC as it goes through the heart: | Superior vena cava -> right atrium -> right ventricle -> left atrium -> left ventricle -> aorta |
| Mitral (bicuspid) valve separates: | left atrium and left ventricle |
| Aortic Valve separates | left ventricle and aorta |
| Tricuspid valve separates | right atrium and right ventricle |
| Pulmonary valve separates | right ventricle and pulmonary trunk |
| Layers of the heart from most superficial to deep are: | Pericardium - myocardium - endocardium |
| Each atria has an ear-like (flap-like) conical muscular pouch that arises from it, which is visible when looking at the surface of the heart. Referred to as: | auricles |
| What is the first branch of the aorta as blood leave the heart? | Brachiocephalic artery |
| What muscle lines the inner surface of the atria, giving their walls a comb-like appearance? | Pectinate muscle |
| The tricuspid valve has [#] flaps while the mitral valve has [#] flaps. | 3 and 2 |
| While the inner atria walls are lined by [blank], the inner ventricle walls are lined with [blank]. | pectinate muscle and trabeculae carneae |
| What two structures function together to help prevent backflow through the tricuspid and mitral valves? | Papillary muscles and chordae tendineae |
| The aortic and pulmonary valves are (AV or semilunar) valves, while the tricuspid and mitral valves are (AV or semilunar) valves. | semilunar and AV |
| What causes CAD? | a partial blockage of a coronary vessel, which can be caused by either a plaque buildup or a thrombus (blood clot) in the vessel |
| What causes an MI versus CAD? | MIs are caused by the complete blockage of a coronary vessel, while CAD is only a partial blockage |
| Someone who has chest pain with exertion, and not at rest, is likely having an MI rather than CAD. True or False? | False, MI pain continues at rest |
| What is the purpose of ductus arteriosus in fetal blood circulation? | Allows blood to bypass the pulmonary circuit and go straight from the pulmonary artery to the aorta |
| What is the corresponding structure of ductus arteriosus in adults? | grows into ligamentum arteriosum, connective tissue string |
| While listening to your partner's apical and then radial pulse, you notice a large pulse deficit. What might this indicate? | cardiac impairment/ a weak heart that is unable to efficiently pump blood |
| Difference in wall thickness of left and right ventricles: | left is thicker than right. |
| How to calculate pulse pressure: | difference between systolic and diastolic pressures |
Created by:
connorquinby
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