The patient is placed in semi-Fowler's position to perform a _____ bronchoscopy

The characteristics of ground substance consist of all but:

a. Provides lubrication b. Transports substances c. Mostly interstitial fluid d. Mostly cytoplasm

Which term describes the origin of a tumor (primary site) that involves two adjacent sites?

a. benign tumor b. contiguous sites c. primary malignancy d. uncertain behavior