In response to respiratory alkalosis, the
A) respiratory rate increases.
B) tidal volume increases.
C) kidneys conserve bicarbonate.
D) kidneys secrete more hydrogen ions.
E) kidneys retain more hydrogen ions.
Question 2
The P wave of the electrocardiogram is a signal from
A) the SA node.
B) depolarization of the AV node.
C) depolarization of the atria.
D) repolarization of the atria.
E) depolarization of the ventricles.