Phosphate vs. Bicarbonate

[ZP3]

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As I was taking the 2009 DAT yesterday, I chose "Phosphate" as the major intracellular buffer. The answer in the back said it was "Bicarbontae." However, today I was taking a Bootcamp test, and they said that bicarbonate was the major extracellular buffer, and that phosphate was the main intracellular buffer. Who is right??

 

[okiedokeartichoke]

The 2009 DAT has some mistakes in their answer key. Here are at least some of the corrections: http://forums.studentdoctor.net/threads/2009-dat-sample-test-errors-confirmed-by-ada.828825/

As for the buffers, bicarbonate should be the main extracellular buffer and I believe phosphate would be the intracellular.

 

[ZP3]

The 2009 DAT has some mistakes in their answer key. Here are at least some of the corrections: http://forums.studentdoctor.net/threads/2009-dat-sample-test-errors-confirmed-by-ada.828825/

As for the buffers, bicarbonate should be the main extracellular buffer and I believe phosphate would be the intracellular.

That's what I thought. ADA sent a mistake sheet with the test, but that question wasn't listed. Good to know before my DAT tomorrow, lol.