The Body Structure That Provides a Route by Which Infections

question 47

Multiple Choice

The body structure that provides a route by which infections organisms can enter the middle ear to cause otitis media is the

• A)nasopharynx.
• B)eustachian tube.
• C)tympanic membrane.
• D)sinus cavity.

Recognize the role of observation and practice in learning within non-formal educational settings.

Understand the educational challenges and needs of children from culturally and linguistically diverse backgrounds.

Understand the relationship between home discourse and educational achievement.

Grasp the concept of formal and informal education systems.

---

Definitions:

Vestibule

An entrance or enclosed antechamber between the outside and the interior of a building or space.

Incus

A small anvil-shaped bone in the middle ear that, along with the malleus and stapes, helps transmit sound vibrations to the inner ear.

Stapes

The smallest bone in the human body, located in the middle ear, transmitting sound vibrations from the incus to the inner ear.

Malleus

A small bone in the middle ear that transmits sound vibrations from the eardrum to the incus; part of the auditory ossicles.