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NR 283 Exam 2 – Chamberlain Questions and Correct Answers $11.49   Add to cart

Exam (elaborations)

NR 283 Exam 2 – Chamberlain Questions and Correct Answers

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  • Course
  • NR 228
  • Institution
  • NR 228

NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2NR 283 Exam 2...

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  • August 16, 2024
  • 23
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NR 228
  • NR 228
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NR 283 Exam 2 – Chamberlain Questions and
Correct Answers
Tachycardia

✓ ~~~ abnormally rapid heart rate - above 100




Bradycardia

✓ ~~~ abnormally slow heart rate - under 60



preload

✓ ~~~ volume of blood in ventricles at end of diastole



Afterload

✓ ~~~ resistance against which left ventricle pushes blood out




Systole

✓ ~~~ contraction of heart .... provides increase in pressure to eject blood




Diastole

✓ ~~~ relaxation of heart.... required for filling chambers




When is preload increased?

✓ ~~~ hypervolemia, regurgitation of cardiac valves, heart failure

,When is afterload increased?

✓ ~~~ hypertension, vasoconstriction



What increases when afterload increases?

✓ ~~~ increase in cardiac workload




What is cardiac output?

✓ ~~~ Volume of blood ejected by the heart in one minute:
cardiac output = heart rate x stroke volume




What is stroke volume?

✓ ~~~ Volume of blood pumped out of ventricle- contraction




The heart sound, lubb is due to the _________ .

✓ ~~~ closure of AV valves



The heart sound, dub is due to the ________.

✓ ~~~ closure of semilunar valves.




pulse rate

✓ ~~~ heart rate 60-100 bpm.



What do vasodilators do?

, ✓ ~~~ dilates (opens) blood vessels, which allows blood to flow more easily
example: nitroglycerin




What do beta blockers do?

✓ ~~~ -decrease heart rate and blood pressure
-treat HTN & dysrhythmias

-reduce angina attacks




arteriosclerosis

✓ ~~~ hardening of blood vessels




Atherosclerosis

✓ ~~~ plaque build up in the coronary artery causing clots, often leads to MI.



Diuretics

✓ ~~~ medications administered to increase urine secretion in order to remove excess
sodium and/or water.
- treats high blood pressure and congestive heart failure




anticoagulant

✓ ~~~ a drug that prevents clotting of the blood



low-density lipoprotein (LDL)

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