Intermediate Auditory Ossicles Quiz

Q1. Which muscle inserts on the handle of the malleus?

• Tensor veli palatini
• Stapedius
• Tensor tympani
• Levator veli palatini

Q2. Which cranial nerve division supplies the tensor tympani muscle?

• Facial nerve, CN VII
• Mandibular division of CN V
• Glossopharyngeal nerve, CN IX
• Vagus nerve, CN X

Q3. Which muscle inserts on the neck of the stapes?

• Salpingopharyngeus
• Posterior auricular muscle
• Stapedius
• Tensor tympani

Q4. Which cranial nerve supplies the stapedius muscle?

• Glossopharyngeal nerve, CN IX
• Facial nerve, CN VII
• Vestibulocochlear nerve, CN VIII
• Trigeminal nerve, CN V1

Q5. Which joint connects the incus to the stapes?

• Incudostapedial joint
• Sphenopetrosal joint
• Incudomalleolar joint
• Temporomandibular joint

Q6. Which ligament surrounds the stapes footplate at the oval window?

• Superior ligament of the incus
• Spiral ligament
• Anterior ligament of the malleus
• Annular ligament of the stapes

Q7. Which ossicular structure projects into the epitympanic recess and articulates with the incus?

• Handle of the malleus
• Footplate of the stapes
• Long process of the incus
• Head of the malleus

Q8. Which part of the incus helps anchor it to the posterior wall of the tympanic cavity?

• Body of the malleus
• Lenticular process
• Long process of the incus
• Short process of the incus

Q9. Which artery provides an important blood supply to the ossicles and tympanic cavity through its tympanic branches?

• Dorsal lingual artery
• Anterior tympanic artery
• Central retinal artery
• Superior thyroid artery

Q10. From which pharyngeal arch is the stapes classically derived?

• Second pharyngeal arch
• Third pharyngeal arch
• First pharyngeal arch only
• Fourth pharyngeal arch