Anatomy & Physiology B/C

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Re: Anatomy & Physiology B/C

Postby Eggo » February 17th, 2015, 4:04 pm

Correct! Your turn
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Re: Anatomy & Physiology B/C

Postby pandora_9999 » February 26th, 2015, 7:50 am

What three arteries branch off from the aorta (at the aortic arch)? Where do they supply blood to?

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Re: Anatomy & Physiology B/C

Postby 09821qh » February 26th, 2015, 2:52 pm

Ok so there's the brachiocephalic artery, which supplies blood to the right arm and the brain(it bifurcates into the right subclavian and right common carotid arteries right?)Then there's the left common carotid artery( also supplies blood to the brain) and the left subclavian artery (supplies blood to the left arm).

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Re: Anatomy & Physiology B/C

Postby pandora_9999 » February 26th, 2015, 3:49 pm

Ok so there's the brachiocephalic artery, which supplies blood to the right arm and the brain(it bifurcates into the right subclavian and right common carotid arteries right?)Then there's the left common carotid artery( also supplies blood to the brain) and the left subclavian artery (supplies blood to the left arm).
Correct, for the most part. I wouldn't say that the right common carotid supplies blood for just the brain. I would include that it supplies blood to the right portion of the head and neck. Also remember to hide your answer.

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Re: Anatomy & Physiology B/C

Postby 09821qh » February 26th, 2015, 7:31 pm

Ok thanks! I guess it's my turn...

Explain what causes the plateau phase in cardiac muscle contraction.

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Re: Anatomy & Physiology B/C

Postby Kuttan » February 27th, 2015, 2:49 pm

A balanced influx of calcium and outflow of potassium causes the plateau phase.
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Re: Anatomy & Physiology B/C

Postby 09821qh » February 27th, 2015, 5:52 pm

Yes that's correct! I would also add that it prolongs the action potential duration within the cardiac muscle. Your turn.

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Re: Anatomy & Physiology B/C

Postby Sciolapedia » March 3rd, 2015, 4:14 pm

Sorry, this is random.

Where do you guys study because you seem to know lots of material?

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Re: Anatomy & Physiology B/C

Postby Unome » March 3rd, 2015, 4:25 pm

Sorry, this is random.

Where do you guys study because you seem to know lots of material?
Probably should be on the Study Events forum, but personally I use a lot of Wikipedia.
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Re: Anatomy & Physiology B/C

Postby sciolylover13 » June 21st, 2015, 6:50 pm

Let's start this question marathon back up (using the projected systems for next year)!!
Ok first question... this is an easy one!! :lol:

What are the 2 functions of osteocytes?
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