Concerning the pericardial sac, the part that is in direct contact with the pleura is termed:

When intubating a patient, you note a leaf-shaped structure that covers the opening of the larynx. You recognize that it is which one of the following structures?

A) Esophagus B) Vallecula C) Cricoid cartilage D) Epiglottis

Pancytopenia is a term that means:

a. Decrease in red cells, white cells, and platelets b. Increase in red and white cells c. Decrease in any two blood cell lines d. Increase in white cells and platelets