Approximately _____ of the animals still used in testing are rats and mice

The gastrointestinal system begins to break down food FIRST in the:

A) stomach with secretion of hydrochloric acid. B) duodenum with the secretion of chime. C) small intestine using peristaltic contractions. D) mouth with the secretion of enzymes.

A patient receiving mechanical ventilation is experiencing bronchospasm. The physician has ordered 5 mg of albuterol every 20 minutes for three doses. Which of the following forms of medication delivery should the therapist select?

A. metered-dose inhaler B. small-volume nebulizer C. dry powder inhaler D. direct instillation