When water is lost, but electrolytes are retained,
A) the osmolarity of the ECF falls.
B) osmosis moves water from the ICF to the ECF.
C) both the ECF and the ICF become more dilute.
D) there is an increase in the volume of the ICF.
E) aldosterone is secreted.
Question 2
The ________ is an important ridge of muscle extending horizontally around the right ventricle from the interventricular septum to the base of the anterior papillary muscle containing part of the conducting system.
A) auricle
B) pectinate muscle
C) trabeculae carneae
D) moderator band
E) conus arteriosus