NSC216





Category: NSC216

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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

1 / 50

1.

_____ attach the ciliary ring and processes to the lens of the eye, and contraction of the
ciliary muscles can change the shape of the lens.

2 / 50

2. The brain interprets the higher _____ of action potentials as a louder sound.

3 / 50

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

4 / 50

4. Axons from olfactory neurons form the _______

5 / 50

5. The sensory cells of each taste bud consist of about 50______.

6 / 50

6.

The “hairs” of the hair cells consist of numerous microvilli, called stereocilia, and one cilium,
called a______.

7 / 50

7.

The fibrous layer consists of the sclera and cornea; the vascular layer consists of the choroid,
ciliary body, and_____.

8 / 50

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

9 / 50

9.

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

10 / 50

10. When an odorant binds to its receptor, a______associated with the receptor is activated.

11 / 50

11. _____ is mainly a function of the taste buds in the mouth

12 / 50

12.

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

13 / 50

13. The term _____ refers to the cochlea of the inner ear, which is involved in hearing

14 / 50

14.

_______________ of the inner hair cells by the nervous system stimulates the contraction of
actin filaments within the hair cells causing them to shorten.

15 / 50

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

16 / 50

16. ______ is a complex process not simply confined to one type of input.

17 / 50

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

18 / 50

18. The range of normal human speech is ___

19 / 50

19. Each taste cell has several microvilli, called ______

20 / 50

20.

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

21 / 50

21. The middle ear contains three auditory ossicles: the malleus, incus, and_____________.

22 / 50

22. The higher the frequency is, the higher the pitch.

23 / 50

23. The _____ contains the sensory organs for hearing and balance

24 / 50

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

25 / 50

25. The brain interprets the higher frequency of action potentials as a ______________sound

26 / 50

26. The sclera is continuous with the_____, the anterior sixth of the eyeball.

27 / 50

27.

_____ is associated with the semicircular canals and is involved in evaluating changes in the
direction and rate of head movements.

28 / 50

28.

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

29 / 50

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

30 / 50

30. The basilar membrane is not uniform throughout its length.

31 / 50

31.

______ is associated with the vestibule and is involved in evaluating the position of the head
relative to gravity.

32 / 50

32. Distortion of the ______ membrane can make sounds seem muffled and stimulate pain

33 / 50

33. The external ear is the part extending from the outside of the head to the_____

34 / 50

34.

Olfactory neurons are bipolar neurons with dendrites extending to the epithelial surface of the
_______

35 / 50

35. The ciliary ring and the base of the ciliary processes contain smooth muscle called_____.

36 / 50

36. A small superior part of the nasal cavity is lined with______.

37 / 50

37.

The ______ consists of interconnecting, fluid-filled tunnels and chambers within the temporal
bone called the bony labyrinth.

38 / 50

38. The _____________ is attached to the medial surface of the tympanic membrane.

39 / 50

39. Deflection of the hairs toward the ______ results in depolarization of the hair cell.

40 / 50

40. The ______ interprets the higher frequency of action potentials as a louder sound.

41 / 50

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

42 / 50

42.

Each of the 10,000 taste buds on a person’s tongue consists of _______ major types of
specialised epithelial cells

43 / 50

43.

The _____ stimulate action potentials in the sensory neurons which are conducted to the brain
where the sense of taste is perceived.

44 / 50

44.

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

45 / 50

45. Substances called ______ dissolve in saliv

46 / 50

46.

Axons from olfactory neurons form the olfactory nerves which pass through the olfactory
foramina of the cribriform plate and enter the______

47 / 50

47.

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

48 / 50

48. Deflection of the _____ toward the kinocilium results in depolarization of the hair cell.

49 / 50

49. The ______ is an air-filled chamber medial to the tympanic membrane.

50 / 50

50.

Swallowing, yawning, chewing, and holding the nose and mouth shut while gently trying to
force air out of the lungs are methods used to open the______

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