Quiz on Ear Anatomy and Functions

What is the function of the auricle (pinna)?

• Balance

• Detect sound frequencies

• Collect air vibrations

• Equalize pressure

The auricle is primarily made up of:

• Bone

• Muscle

• Elastic cartilage

• Fibrous tissue

The external auditory meatus extends from the auricle to the:

• Cochlea

• Tympanic membrane

• Oval window

• Round window

The outer third of the external auditory meatus contains:

• Muscle fibers

• Cartilage, hairs, and glands

• Bone and lymph

• Tendons and ligaments

Ceruminous glands are modified:

• Sebaceous glands

• Apocrine glands

• Sweat glands

• Salivary glands

What is the primary function of ceruminous glands?

• Secrete enzymes

• Trap and prevent foreign bodies

• Transmit sound

• Equalize pressure

Sensory innervation of the external auditory meatus is provided by the:

• Trigeminal nerve

• Facial nerve

• Vagus nerve

• Glossopharyngeal nerve

The middle ear is an air-filled cavity located in the:

• Mandible

• Occipital bone

• Petrous part of the temporal bone

• Zygomatic bone

Which membrane lines the middle ear cavity?

• Periosteum

• Serous membrane

• Mucous membrane

• Synovial membrane

The auditory ossicles include all except:

• Malleus

• Incus

• Cochlea

• Stapes