Low-expansion foam protection is used in the protection of truck loading racks and is designed in accordance with ______________

This gland secretes T3, T4, and calcitonin

a. Thyroid b. Pituitary c. Parathyroid d. Pancreas

What is the purpose of a tracheostomy tube obturator?

a. To minimize trauma to the tracheal muco-sal during insertion b. To provide a patent airway should the tube become obstructed c. To help ascertain the proper tube position by radiograph d. To provide a means to inflate and deflate the tube cuff