Table 40.1 -The Intercellular Concentration of Three Electrolytes Is Compared with the with the Concentration

Multiple Choice

Table 40.1
-The intercellular concentration of three electrolytes is compared with the concentration of these electrolytes in fluid eliminated from the shark rectal gland in Table 40.1. Based on the data, which of the following is a likely function of the rectal gland?

A) The rectal gland eliminates metabolic waste.
B) The rectal gland is able to concentrate Na⁺, K⁺, and Cl^- .
C) There is very little potassium in sharks.
D) Chloride levels in seawater are similar to those in shark tissues.