NSC216

Category: NSC216

ATTENTION:

Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.

Good luck!

NSC216

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1. Taste is mainly a function of the _____ in the mouth

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2. The ______ of the eye is so named because it contains most of the blood vessels of the eye

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3. ______ can produce strong emotional reactions, memories, and other responses

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4. The external and middle ears are involved in ______only

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5. ______ is distortion in odour perception (includes parosmia and phantosmia)

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6. The ______________ is a thin membrane separating the external ear from the middle ear.

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7. _____ of the hairs toward the kinocilium results in depolarization of the hair cell.

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8. A slight oscillatory movement of the eyes, called _____ occurs.

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9. MSG stands for_______

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10. Light enters the eye through the _______

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11. Pitch is measured in ______________

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12. The _____ is the firm, opaque, white, outer layer of the posterior fivesixths of the eyeball.

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13. The iris contains ______ groups of smooth muscles

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14.

The ______________ muscle is attached to the malleus and is innervated by the trigeminal
nerve
(V).

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15. The fleshy part of the external ear on the outside of the head is called_____

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16. The auricle collects sound waves and directs them into the external_____________.

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17.

The wide varieties of detectable odours are actually combinations of a smaller number of
______odours.

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18.

A ______ pathway allows the maintenance of visual fixation on an object while the head is in
motion.

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19.

The _____________ or loudness, of sound is a function of wave amplitude, or height,
measured in decibels.

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20.

Each taste cell has several taste hairs extending from its apex into a tiny opening in the
epithelium called the______

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21. The middle ear contains ______________auditory ossicles

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22. Sounds louder than _____________ db are painful to the ear

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23. The remaining two nonsensory cell types are basal cells and_____

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24.

Olfactory neurons are ______ neurons with dendrites extending to the epithelial surface of
the nasal cavity.

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25.

The fibrous layer consists of the sclera and cornea; the _____consists of the choroid, ciliary
body, and iris.

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26. Receptors on the hairs detect ______

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27. The ______ is a branch of the facial nerve carrying taste impulses from the anterior twothirds of the tongue.

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28. The ______ is a set of fluid-filled chambers medial to the middle ear.

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29. A condition in which there is enhanced smell sensitivity is called_____

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30.

The _____ functions as two separate nerves carrying information from two separate but
closely related structures.

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31. The odorants must first be dissolved in fluid in order to reach the olfactory receptors.

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32.

The ______ is continuous anteriorly with the ciliary body, which consists of an outer ciliary
ring and an inner group of ciliary processes.

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33. There are _____ semicircular canals placed at nearly right angles to one another.

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34. Substances called ______ dissolve in saliv

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35.

The _____opens into the pharynx and enables air pressure to be equalised between the
outside air and the middle ear cavity.

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36.

The auditory tube opens into the _____________ and enables air pressure to be equalised
between the outside air and the middle ear cavity.

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37.

The cochlear nerve joins the vestibular nerve to become the_____, which traverses the
internal acoustic meatus and enters the cranial cavity.

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38.

_____ neurons are bipolar neurons with dendrites extending to the epithelial surface of the
nasal cavity.

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39. The _____ interprets the higher frequency of action potentials as a louder sound.

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40. The binding of tastants to receptors on the taste hairs activates ______

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41. The bony labyrinth is lined with_______.

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42. The ______cells of each taste bud consist of about 50 taste cells.

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43. Static balance is associated with the utricle and the saccule of the______.

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44. The brain interprets the higher frequency of action potentials as a _____sound.

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45. _________ smell perception with no external stimulus

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46. _____ consist of taste cells, basilar cells, and supporting cells.

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47. Sound waves travel relatively slowly in air ____________ m/s

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48. Food served at the wrong ______ is perceived as distasteful.

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49. The _____ regulates the amount of light by controlling the size of the pupil.

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50.

Each of the ______ taste buds on a person’s tongue consists of three major types of
specialised epithelial cells

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