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Exam (elaborations)

NUR228 – Cardiovascular Questions & 100% Correct Answers

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What is coronary arterial dominance? ~~> Refers to the coronary artery that supplies the most blood to the posterior descending artery - Most people are right dominant What does the posterior descending artery supply? ~~> Inferior portion of interventricular septum What is coronar...

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  • September 12, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • NUR228
  • NUR228
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MASTER01
1 | P a g e | © copyright 2024/2025 | Grade A+




NUR228 – Cardiovascular Questions &
100% Correct Answers
What is coronary arterial dominance?

✓ ~~> Refers to the coronary artery that supplies the most blood to the

posterior descending artery

- Most people are right dominant




What does the posterior descending artery supply?

✓ ~~> Inferior portion of interventricular septum




What is coronary artery disease?

✓ ~~> Narrowing or blockage of the coronary arteries d/t build up of

plaque




Describe coronary artery perfusion.

✓ ~~> When the valves close (diastole), the coronary arteries fill up with

blood




What is myocardial ischemia?




Master01 | September, 2024/2025 | Latest update

, 2 | P a g e | © copyright 2024/2025 | Grade A+



✓ ~~> Reduced blood flow to the myocardium, reducing the muscle's

ability to pump blood

(d/t narrowed/blocked valves from CAD)




What is heart failure?

✓ ~~> When the heart is no longer able to pump blood to sustain the

body's metabolic needs




What are non-cardiac related reasons for ischemia?

✓ ~~> Anemia (low RBC count)

Hypotension (not enough pressure to get oxygenated blood to myocardium)

Hypoxia (oxygen deprivation)




What are modifiable risk factors?

✓ ~~> Hypertension

Hyperlipidemia

Diet (less sodium and cholesterol)

Smoking

Obesity/inactivity

Depression/stress




Master01 | September, 2024/2025 | Latest update

, 3 | P a g e | © copyright 2024/2025 | Grade A+




What are non-modifiable risk factors?

✓ ~~> Age

Gender

Race/ethnicity

Family history




What is endothelial dysfunction?

✓ ~~> Type of CAD that results in narrowing of arteries, but there are no

blockages formed




What is endothelial dysfunction caused by?

✓ ~~> Uncontrolled diabetes

Hypertension

Hypercholesterolemia

Smoking




How does cold weather affect your heart?




Master01 | September, 2024/2025 | Latest update

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