The majority of ground cover fires are extinguished with which item?

Gastritis and esophageal varices are likely causes of ________________________ GI bleeding

Fill in the blank(s) with correct word

Cholesteatoma, eustachian tube dysfunction, neoplasm, or congenital malformation of the middle ear may block airflow to the mastoid and cause chronic ________

A. mastoiditis B. labyrinthitis