A(n) ________ acid is an acid that can leave solution and enter ...

[audie]

A(n) ________ acid is an acid that can leave solution and enter the atmosphere.
 A) respiratory
  B) volatile
  C) metabolic
  D) inorganic
  E) fixed

Question 2

The long plateau phase of the cardiac muscle action potential is due to
 A) movement of fewer sodium ions across the cell membrane.
  B) calcium channels remaining open.
  C) increased membrane permeability to potassium ion.
  D) decrease in the amount of calcium diffusing across the membrane.
  E) increased membrane permeability to sodium ions.

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Answer to Question 1

B

Answer to Question 2

B

[audie]

Excellent

[ghepp]

Gracias!