Which of the following is an example of a progestin?

The respiratory region possesses three scroll-like bones known as ________

A) polyps B) vibrissae C) bronchioles D) turbinates

What is an actual agreement between the parties, the terms of which are openly stated in distinct and explicit language, either verbally or in writing?

a. An implied contract b. A warranty c. An express contract d. A health care proxy