Which phase of FDA approval of a new drug is described as "Several doses are used in order to determine which dosage works best with the least amount of side effects"?

A patient has fallen in his upstairs bathroom and is on the floor when you arrive. Your assessment shows no immediate threat to his airway, breathing or circulatory status, however, he does have deformity and bruising to his left hip

He complains of excruciating pain to the same area. In this situation, you should recognize the need for what category of move? A) Emergency B) Urgent C) Critical D) Non-urgent

The residual volume is about?

A) ?500 mL. B) ?1200 mL. C) ?2400 mL. D) ?none of the above