Read the Two Statements and Use the Following Key to Answer

Multiple Choice

Read the two statements and use the following key to answer them.
(1) Blood Ca²⁺ levels if parathyroid secretion decreases
(2) Blood Ca²⁺ levels if parathyroid hormone secretion increases

A) The first item is greater than the second item.
B) The first item is less than the second item.
C) The first item is equal or nearly equal to the second item.