Special Sensory Organs MCQ Quiz | Gross Anatomy

Welcome to the Gross Anatomy quiz on Special Sensory Organs. This quiz is specifically designed for MBBS students to test and reinforce their understanding of the intricate structures of the eye, ear, nose, and tongue. Covering key topics from innervation and blood supply to the functional anatomy of sensory receptors, these 25 multiple-choice questions will challenge your recall and application of anatomical knowledge. After completing the quiz, you can submit your answers to see your score, review the correct responses, and identify areas for further study. For your convenience, an option to download all the questions along with their correct answers in a PDF format is also available. Good luck!

1. The superior oblique muscle, responsible for intorsion and depression of the eyeball, is innervated by which cranial nerve?

2. The lacrimal gland is primarily situated in which quadrant of the orbit?

3. The fovea centralis, the area of highest visual acuity, is located within the center of the:

4. Contraction of the ciliary muscle leads to:

5. The central retinal artery, which supplies the inner retinal layers, is a branch of the:

6. The stapes, the smallest auditory ossicle, transmits vibrations to the inner ear via the:

7. The tensor tympani muscle is innervated by a branch of which cranial nerve?

8. The auditory (Eustachian) tube connects the middle ear cavity with the:

9. The organ of Corti, the receptor organ for hearing, is situated on the basilar membrane within the:

10. The sensory receptors in the semicircular canals, known as cristae ampullares, are primarily responsible for detecting:

11. Perilymph fills which of the following compartments of the inner ear?

12. The maculae, found in the utricle and saccule, are sensory receptors for:

13. The vestibulocochlear nerve (CN VIII) enters the cranial cavity through which foramen?

14. The olfactory epithelium, containing the receptors for the sense of smell, is located in the:

15. The posterior ethmoidal air cells drain into which part of the nasal cavity?

16. Kiesselbach’s plexus, a common site for epistaxis, is located in which region of the nasal septum?

17. Which of the following lingual papillae are the most numerous and lack taste buds?

18. Taste sensation from the anterior two-thirds of the tongue is transmitted via which nerve?

19. All muscles of the tongue, both intrinsic and extrinsic, are innervated by the hypoglossal nerve (CN XII) EXCEPT for the:

20. General somatic sensation (touch, pain, temperature) from the posterior one-third of the tongue is carried by which cranial nerve?

21. Which bone does NOT contribute to the formation of the medial wall of the orbit?

22. The posterior chamber of the eye is the space located between the:

23. The optic nerve is uniquely covered by which of the following structures along its course to the optic chiasm?

24. The bony labyrinth of the inner ear is located within which part of the temporal bone?

25. The nasolacrimal duct, which drains tears from the lacrimal sac, opens into the: