Which of the following is the ideal size of a helicopter landing zone during daytime conditions?

A 24-year-old patient presents with a persistent firm asymptomatic submucosal mass (1 x 1 cm) in her lower lip. The mass fluctuates in size and occasionally drains a cloudy, sticky fluid. This would most likely be which of the following?

a. Mucous extravasation phenomenon b. Necrotizing sialometaplasia c. Traumatic fibroma d. Soft tissue myxoma e. Ectopic lymphoid tissue

The part of the inner ear that is connected with the semicircular canals is the?

A) ?utricle. B) ?eustachian tube. C) ?oval window. D) ?tympanic membrane.