Which Structure Pushes on the Oval Window of the Inner

question 5

Multiple Choice

Which structure pushes on the oval window of the inner ear to stimulate the auditory receptors?

• A) malleus
• B) tympanic membrane
• C) stapes
• D) incus

---

Definitions:

Cervical

Relating to the neck or the cervix, which is the lower part of the uterus opening into the vagina.

Thoracic

Pertaining to the chest region in vertebrates, containing vital organs such as the heart and lungs.

Lumbar

Referring to the lower back region of the spine, encompassing the five vertebrae between the rib cage and the pelvis.

Sacrum

A large, triangular bone at the base of the spine and at the upper and back part of the pelvic cavity, formed by the fusion of five vertebrae.