Organs of Special Senses Quiz

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Questions and Answers

Which segment of the ear captures air vibrations and directs them towards the tympanic membrane?

  • External ear (correct)
  • Middle ear
  • Auricle (pinna)
  • Inner ear

What are the main parts of the external ear?

  • Auricle (pinna)
  • Vertical canal
  • Horizontal canal
  • All of the above (correct)

Which segment of the ear is responsible for sound modulation?

  • Middle ear (correct)
  • Inner ear
  • External ear
  • Tympanic membrane

What connects the tympanic membrane (ear drum) to the oval window in the middle ear?

<p>Auditory ossicles (C)</p> Signup and view all the answers

Which segment of the ear communicates with the pharynx via the auditory tube?

<p>Middle ear (C)</p> Signup and view all the answers

What are the main functions of the middle ear?

<p>All of the above (D)</p> Signup and view all the answers

Which segment of the ear is located in the tympanic part of the temporal bone of the skull?

<p>Middle ear (B)</p> Signup and view all the answers

What are the 3 non-communicating segments of the ear?

<p>External ear, middle ear, inner ear (C)</p> Signup and view all the answers

What is the main function of the external ear?

<p>Capturing air vibrations (A)</p> Signup and view all the answers

What is the main function of the inner ear?

<p>Balance (D)</p> Signup and view all the answers

Which cranial nerve is responsible for both hearing and balance?

<p>Cranial nerve VIII (C)</p> Signup and view all the answers

What is the function of the cochlea?

<p>Organ for hearing (D)</p> Signup and view all the answers

Which part of the eye is known as the 'white of the eye'?

<p>Sclera (A)</p> Signup and view all the answers

What is the function of the choroid?

<p>Provides blood supply and innervation (D)</p> Signup and view all the answers

What is the function of the ciliary body?

<p>Changes the shape of the lens for focusing (C)</p> Signup and view all the answers

Which part of the eye is responsible for constricting and dilating the pupil?

<p>Iris (D)</p> Signup and view all the answers

Which layer of the eye contains photoreceptors and connects to the optic nerve?

<p>Nervous tunic (A)</p> Signup and view all the answers

What is the region where axons emerge from the eye bulb called?

<p>Optic disk (D)</p> Signup and view all the answers

What is the function of the ciliary muscles?

<p>Changes the shape of the lens for focusing (D)</p> Signup and view all the answers

Which tunic of the eye is responsible for allowing light to enter the eye?

<p>Fibrous tunic (D)</p> Signup and view all the answers

Which muscles in the iris regulate the amount of light?

<p>Both Constrictor pupillae and Dilator pupillae (C)</p> Signup and view all the answers

Which of the following statements about the extrinsic muscles of the eye is true?

<p>They are under voluntary control (A)</p> Signup and view all the answers

Which chamber of the eye contains the vitreous humor?

<p>None of the above (D)</p> Signup and view all the answers

What is the function of the lacrimal gland?

<p>To produce tears and keep the surface of the eye moist (C)</p> Signup and view all the answers

Where is the lacrimal gland located?

<p>Dorso-lateral to the eye (C)</p> Signup and view all the answers

What is the main function of the tongue?

<p>To pick up food and facilitate swallowing (A)</p> Signup and view all the answers

Where are taste buds located on the tongue?

<p>On vallate, foliate, and fungiform papillae (C)</p> Signup and view all the answers

Which cranial nerve is responsible for the taste and touch sensations on the caudal one-third of the tongue?

<p>Glossopharyngeal nerve (A)</p> Signup and view all the answers

Where is the olfactory mucosa located in relation to the nasal cavity?

<p>In the caudal region of the nasal cavity (D)</p> Signup and view all the answers

What is the olfactory nerve made up of?

<p>Axons that arise in the olfactory mucosa (B)</p> Signup and view all the answers

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