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Author Question: The primary role of the carbonic-acid-bicarbonate buffer system is to A) buffer stomach acid. B) ... (Read 142 times)

Pea0909berry

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on: Feb 27, 2019
The primary role of the carbonic-acid-bicarbonate buffer system is to
 A) buffer stomach acid.
  B) buffer carbonic acid formed by carbon dioxide.
  C) limit pH changes caused by metabolic and fixed acids.
  D) buffer the urine.
  E) increase ventilation.

Question 2

In cardiac muscle, the fast depolarization phase of the action potential is the result of
 A) increased membrane permeability to sodium ions.
  B) increased membrane permeability to potassium ions.
  C) decreased membrane permeability to calcium ions.
  D) decreased membrane permeability to sodium ions.
  E) increased membrane permeability to chloride ions.


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tennis14576

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Reply #1 on: Feb 27, 2019
Answer to Question 1

C

Answer to Question 2

A


Pea0909berry

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Reply 2 on: Feb 27, 2019
Excellent

kjohnson

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Reply 3 on: Yesterday
Wow, this really help

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