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NUR 2243( LATEST 2024 / 2025 ) EXAM TWO | A SOLVED 100% CORRECT
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NUR 2243( LATEST 2024 / 2025 ) EXAM TWO | A SOLVED 100% CORRECT
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NUR 2243 Exam two1. Normal blood flow through the heart
Answer
right atria - right ventricle - lungs - left atria - left ventricle - body
2. what are the 4 cardiac valves
Answer
tricuspid, mitral, pulmonic, aortic
maintain for- ward flow of blood through the chambers of the heart
3. tricuspid valve
Answer
valve between the right atrium and the right ventricle
4. bicuspid (mitral) valve
Answer
valve between the left atrium and the left ventricle.
"FRESH TWO LEFT"
get it...? ill go home.
5. during diastole the valves move blood
,Answer
from atria to ventricles
6. during systole the valves
Answer
ventricles contract forcing blood to go into the lungs and body
7. semilunar valves
Answer
prevent blood from flowing back into the ventricles during diastole.
8. pulmonic valve
Answer
separates the right ventricle from the pulmonary artery.
9. aortic valve
Answer
separates the left ventricle from the aorta.
10. where does the heart receive blood + nutrients from?
Answer
coronary arterial system
,11. all coronary arteries feed
Answer
the left heart branch off of the left main coronary artery (LMCA).
12. the right coronary artery
Answer
perfuses the right heart and inferior wall of the left heart.
13. left main artery divides into two branches
Answer
the left anterior descending (LAD) branch and the left circumflex (LCX) branch.
14. Left anterior descending (LAD)
Answer
supplies blood to left ventricle, ventricular septum, chordea tendineae, papillary muscle and the
right ventricle.
15. Left circumflex (LCX) branch
Answer
supplies blood to the left atrium, lateral and posterior surfaces of the left ventricle and portions
of the interventricular septum
16. systole
Answer
, contraction and emptying of the atria and ventricles. (lub)
17. Diastole
Answer
relaxation and filling of the atria and ventricles. (dub)
18. mean arterial pressure MAP
Answer
Must be at least 60 mm Hg to maintain adequate blood flow through coronary arteries and
perfuse major organs (brain)
19. cardiac output
Answer
heart rate x stroke volume
20. heart rate
Answer
the number of times the ventricles contract each minute
21. stroke volume
Answer
the amount of blood pumped by a ventricle with each beat
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