A letter will create a favorable impression if it arouses the reader's interest with the first sentence

Which muscle acts to maintain an erect spinal column and head?

A) Spinalis B) Iliocostalis C) Longissimus D) All of the above

Indications for warming inspired gases include which of the following?

1. Treating a patient whose airways are reactive to cold 2. Providing humidification when the upper airway is bypassed 3. Treating a patient with a low body temperature (hypothermia) 4. Reducing upper airway inflammation or swelling a. 1 and 3 only b. 1, 2, and 3 only c. 3 and 4 only d. 2, 3, and 4 only