Exam (elaborations)
Bios 255 Final exam with correct answers.
- Course
- Institution
Bios 255 Final exam with correct answers.
[Show more]
Seller
Follow
Content preview
Bios 255 Final exam with correctanswers
Which of the typical blood vessels has a thin tunica tunica media dominated by collagen fibers? - correct
answer -veins
Capillaries surrounding the choroid plexus is of which type? - correct answer -Fenestrated capillaries
Blood flow through a capillary bed is passed by what structure? - correct answer -Atriovenous
Anastomosis
Blood flows toward the heart in the veins by? - correct answer --With the aid of contractions of the
adjacent skeletal muscles.
-Valves in the veins prevent the backflow of the blood
-Pressure at the venules is higher than the pressure at the venae cava
As the blood flows from venules toward the heart, what increases? - correct answer -Resistance
Blood volume is decreased by what two hormones? - correct answer -ANP & BNP
Which of the following is not a vasoconstrictor?
-Prostagladin
-Thromboxones
-Nitric Oxide - correct answer -Nitric Oxide
Vasodilation is achieved by adrenergic receptors. True or False - correct answer -False
Baroreceptors are found in what sinus? - correct answer -Carotid Sinuses
, Which of the typical blood vessels has thick tunica media dominated by smooth muscle cells and elastic
fibers? - correct answer -Arteries
Femoral artery is a type of what artery? - correct answer -Muscular Artery
Capillaries that have a complete lining are called what? - correct answer -Continuous Capillaries
Blood flow through a capillary is regulated by what? - correct answer -Precapillary Sphincter
As the blood flows from the aorta towards the cappilaries what increases? - correct answer -Resistance
Pressure gradient of water causes osmosis. True or False - correct answer -False
Which of the following is NOT a vasodilator? - correct answer -Prostagladin
Venous reserve is used during extreme blood loss. True or False - correct answer -True
Chemoreceptors are found in what? - correct answer -Aortic Bodies
Venous valves allow blood to flow in BOTH directs. True or False. - correct answer -False
The normal heart sounds are caused by what? - correct answer -The closure of the heart valves
The left ventricular wall of the heart is much thicker than the right wall in order to do what? - correct
answer -Pump blood against a greater pressure
Ventricular depolarization corresponds to what complex? - correct answer -QRS Complex
Blood within the pulmonary veins returns to the heart in what location? - correct answer -Left Atrium
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 Lectphilip. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79223 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now