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NUR 133 ( LATEST 2024 / 2025 ) EXAM 3 | GUARANTEED A+ ACTUAL QUESTIONS AND ANSWERS
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NUR 133 ( LATEST 2024 / 2025 ) EXAM 3 | GUARANTEED A+ ACTUAL QUESTIONS AND ANSWERS
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NUR 133 Exam 31. veins vs arteries
Answer
Veins carry blood to the heart, and arteries carry blood away from the heart.
2. What are the 4 chambers of the heart?
Answer
right atrium, right ventricle, left atrium, left ventricle
3. What is the blood flow through the heart?
Answer
right atrium --> tricuspid valve--> right ventricle --> pulmonic valve--> lungs--> left atrium-->
mitral valve--> left ventricle--> aortic valve--> body
4. What happens in diastole?
Answer
ventricles relax and fill with blood
5. What happens in systole?
Answer
ventricles contract that causes AV valves to close preventing backflow
, Myocardium causes ventricular contraction
6. The SA node does what?
Answer
controls heart beat, sends impulse to the AV node Discharged 60-100 BPM
7. If the SA node fails, what takes over?
Answer
AV node (40-60 bpm)
8. If the AV node fails, what takes over?
Answer
Bundle of His. This can only last a short time. 20-40
9. The peripheral vascular system maintians what?
Answer
Blood pressure by constrict- ing/dilating in response to stimuli
10. What are 4 symptoms of arterial deficiency/disease?
Answer
Capillary refill > 3 seconds
Edema
Answer
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