Anatomy and Physiology Quiz 1

1. Which of these structures marks the beginning of the respiratory zone of the airway?

2. Why is the hyoid bone called a floating bone?

3. Not all animals have the same type of digestive system. In cows and other ruminants, several different stomachs are part of the digestive system. Why do different animals have different digestive systems?

4. What can high levels of blood urea nitrogen indicate?

5. How will darkness affect melatonin secretion? Choose the best answer.

6. How will light affect melatonin secretion? Choose the best answer.

7. If you are working around patients with tuberculosis, why is it important that you get vaccinated for the disease?