Exam (elaborations)
PHGY 210 Cardiovascular Physiology Exam Questions And Accurate Answers
- Course
- Institution
PHGY 210 Cardiovascular Physiology Exam Questions And Accurate Answers...
[Show more]
Content preview
PHGY 210 Cardiovascular Physiology ExamQuestions And Accurate Answers
What does the cardiovascular system basically do? -Answer transportation of nutrients,
hormones, immune cells etc
Name 8 functions of cardiovascular systems? - Answer 1-intake of nutrients within the
body
2-delivery of fuel to the cells
3-removal of waste products
4-circulation of hormones
5-circulation of immune cells and antibodies
6-regulation of pH
7-water balance
8- thermoregulation
where and does the ameoba get its o2? - Answer from the water and by process of
diffusion since the [02] outside the cell is higher than inside
what is diffusion? - Answer spontaneous movement of particles caused by random
thermal motion
how can single cardiac cells survive on diffusion? - Answer bc the distance 02 has to
travel is very small
how capillaries per myocyte? - Answer 1
How is the heart very vascularized? - Answer bc the capillaries are very close to each
, heart cell, so they bring fuel and take away waste efficiently
What is Fick's Law? - Answer flow=Dx [ ] gradient x area
How can the concentration gradient be found? - Answer (cout-cin)/d
What 2 things does the diffusion coefficient depend on? - Answer 1-the substance
2-the medium thru which the substance is diffusing
Why 1 billion alveoli? - Answerto increase surface area to have more diffusion
What is a gradient? - Answer spacial rate of change of a variable
What is flux? - Answer flow/area
How many times bigger is the Dc02 compared to D02 in water? - Answer 20x so need
smaller change in [ ] to get the same flow
Explain the mechanisms of diffusion/convection to deliver 02 to the cells. (4 steps) -
Answer 1- 02 enters the lungs thru bulk flow/convective flow
2-02 diffuses thru the alveolus and then to the blood
3-02 is convected by blood to the tissue
4-02 diffuses from RBCS into the cell
Explain how C02 is eliminated - Answer 1-C02 diffuses into the blood capillary
2- Blood containing c02 is convected back to the lungs
3-C02 diffuses thru the alveolus
4-C02 is convected out by expiration
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 Stetson. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81633 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now