Broken bones should be aligned as well as possible before being immobilized with a splint

Which gland controls the activity of the pituitary gland?

A) Thyroid B) Parathyroid C) Hypothalamus D) Adrenal

The initial phase, commonly referred to as the __________ study, is limited to 10 to 100 human participants

Fill in the blank(s) with the appropriate word(s).