If a dislodged blood clot becomes lodged in another vessel, what is that called?
~ thromboembolism
Pulmonary thromboembolism (PE)
~ -blockage of major artery in lungs
-causes shortness of breath and angina (chest pain)
Infarction
~ -blood vessel is entirely blocked
-causes tissue death in th...
Why is the cardiovascular system a closed circulatory system?
✓✓~ the fluid contents are pumped from the heart throughout the body and back to the heart
What are some functions of the cardiovascular system?
✓✓~ -Transportation of gases, nutrients waste
-prevents loss of blood from ruptured vessels
-helps fight off pathogens
What does the study of the cardiovascular system cover?
✓✓~ -muscular heart
-blood vessels
-blood
Where is the heart located?
✓✓~ Pericardial cavity within anterior portion of the mediastinum
What separates the thoracic cavity into 2 pleural cavities?
✓✓~ mediastinum
,Layers of the heart
✓✓~ -pericardium: double layered, surrounded by fluid
-myocardium: thickest layer
-endocardium: continuous with blood vessels
What anchors the heart to the diaphragm?
✓✓~ pericardium
Which layer of the heart wall is the contractile layer
✓✓~ Myocardium
4 chambers of the heart
✓✓~ -right & left atrium: receiving chamber, smaller
-right & left ventricle: sending chamber, larger
What separates the 4 chambers into a right and left?
✓✓~ Septum
What part of the heart is only present in fetuses?
✓✓~ Fossa Ovalis:
-opening btwn atria
-allows blood to move directly btwn atria, bypassing the lungs
, What is the purpose of having valves in the heart?
✓✓~ To regulate the direction of blood flow
Which valve sends blood out of the RV and into the pulmonary trunk?
✓✓~ Pulmonary valve
Which valve sends blood out of the LV into the aorta?
✓✓~ Aortic valve
Why does the aortic valve need to be stronger?
✓✓~ Because blood flow leaving the LV has a stronger presser
Which valve sends blood out of the RA and into the RV?
✓✓~ Tricuspid valve
Which valve sends blood from the LA into the LV?
✓✓~ Mitral valve (bicuspid)
blood pathway through heart valves
✓✓~ -RA through tricuspid valve
-RV through pulmonary valve
-pulmonary trunk to pulmonary arteries to lungs
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 MASTER01. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.
