Exam (elaborations)
NUR228 CARDIOVASCULAR EXAM QUESTIONS AND ANSWERS
- Course
- Institution
NUR228 CARDIOVASCULAR EXAM QUESTIONS AND ANSWERS...
[Show more]
Content preview
NUR228 CARDIOVASCULAR EXAM QUESTIONSAND ANSWERS
What is the definition of coronary artery dominance? - ANSWER The coronary
artery that provides the majority of blood to the posterior descending artery is often
right dominant.
What does the posterior descending artery supply? - ANSWER the inferior part of
the interventricular septum.
What is Coronary Artery Disease? - ANSWER Narrowing or occlusion of coronary
arteries due to plaque buildup.
Describe coronary artery perfusion. - ANSWER When the valves collapse
(diastole), the coronary arteries fill with blood.
What is myocardial ischemia? - ANSWER Reduced blood supply to the
myocardium, limiting the muscle's ability to pump blood.
(d/t narrowed/blocked valves due to CAD)
What constitutes heart failure? - ANSWER When the heart can no longer pump
enough blood to meet the body's metabolic needs.
What are some non-cardiac explanations for ischemia? - ANSWER Anemia (lower
RBC count)
Hypotension (insufficient pressure to provide oxygenated blood to the
myocardium).
Hypoxia (oxygen deficiency).
, What are the modifiable risk factors? - ANSWER Hypertension.
Hyperlipidemia
Diet (lower salt, cholesterol)
Smoking
Obesity/inactivity
Depression/stress
What are the non-modifiable risks? - Answer Age
Gender
Race/ethnicity
Family history.
What is endothelial dysfunction? - ANSWER Type of CAD in which arteries thin
but no blockages form.
What are the causes of endothelial dysfunction? - ANSWER Uncontrolled diabetes
Hypertension
Hypercholesterolemia
Smoking
How can cold weather affect the heart? - ANSWER It is working harder to pump
oxygenated blood into tissues (to stay warm).
- Worsens during activity.
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Boostertips. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.59. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73314 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now