CRANIAL NERVES

1. 1The cranial nerve nuclei listed below have the following descending tracts terminating on them:

   1. Aa) The inferior salivatory nucleus of the glossopharyngeal nerve receives descending tracts from the thalamus.
   2. Bb) The nucleus of the abducens nerve receives only crossed corticobulbar tracts.
   3. Cc) The nucleus of the facial nerve supplying the muscles of the lower part of the face receives only crossed cortlcobulbar tracts.
   4. Dd) The trigemlnal motor nucleus receives only uncrossed corticobulbar tracts.
   5. Ee) The nucleus of the trochlear nerve receives only crossed corticobulbar tracts.
2. 2The nuclei associated with the facial nerve include the following:

   1. Aa) Spinal nucleus
   2. Bb) Inferior salivatory nucleus
   3. Cc) Nucleus ambiguus
   4. Dd) Main sensory nucleus
   5. Ee) Lacrimal nucleus
3. 3A patient with unilateral upper motor neuron paral￾ysis of the facial muscles can smile with both sides of his face in response to a joke but not voluntarily. This can be explained by the following facts:

   1. Aa) The main corticobulbar fibers controlling voluntary movement of the facial muscles have
      been preserved.
   2. Bb) Reticular fibers, possibly originating in the hypothalamus and descending to the motor nuclei of the facial nerves, are damaged.
   3. Cc) The facial nerves are damaged.
   4. Dd) The muscles producing mimetic movements
      of the face are innervated by corticobulbar fibers that have a course separate from the main corticobulbar fibers.
   5. EA lesion involving the lower motor neurons is present.
4. 4Which of the following structures participates in the reception of sound?

   1. Aa) Trapezoid body
   2. Bb) Medial lemniscus
   3. Cc) Nucleus of the trigeminal lemniscus
   4. Dd) Inferior temporal gyrus
   5. Ee) Lateral geniculate body
5. 5The cerebral cortex is necessary for which of the following visual reflexes?

   1. Aa) Corneal reflex
   2. Bb) Accommodation reflex
   3. Cc) Consensual light reflex
   4. Dd) Pupillary light reflex
   5. Ee) Visual body reflex
6. 6The nasal field of the right eye is projected to the:

   1. Aa) left lateral geniculate body.
   2. Bb) both banks of the left calcarine fissure
   3. Cc) left optic tract
   4. Dd) temporal retina of the right eye
   5. Ee) left optic radiation
7. 7Right pupillary constriction associated with light directed at the left eye requires the:

   1. Aa) right optic radiation
   2. Bb) left optic nerve
   3. Cc) left Edinger-Westphal nucleus.
   4. Dd) left oculomotor nerve
   5. Ee) right optic nerve
8. 8Select the lettered statement concerning the hypo￾glossal nerve that is correct:

   1. Aa) A lesion involving the hypoglossal nerve will result in deviation of the tongue toward the same side as the lesion when the tongue is protruded
   2. Bb) The hypoglossal nerve conducts taste impulses from the posterior third of the tongue
   3. Cc) The hypoglossal nerve emerges from the brainstem between the olive and the inferior cerebellar peduncle.
   4. Dd) The hypoglossal nerve carries with it fibers from the third and fourth cervical nerves.
   5. Ee) The fibers of the accessory nerve wind around the motor nucleus of the hypoglossal nerve beneath the floor of the fourth ventricle.
9. 9Select the lettered statement concerning the trigem￾inal nuclei that is correct:
   

   1. Aa) The main sensory nucleus lies within the
      medulla oblongata.
   2. Bb) The spinal nucleus extends Inferiorly as far as
      the fifth cervical segment.
   3. Cc) Proprioceptive Impulses from the muscles of
      mastication reach the mesencephalic nucleus along fibers that are part of the unipolar neurons of the nucleus.
   4. Dd) The sensations of pain and temperature terminate In the main sensory nucleus.
   5. Ee) The trigeminal lemniscus contains only efferent fibers from the ipsilateral sensory nuclei of the trigeminal nerve.
10. 10The cranial nerves listed below are associated with the following functions:

    1. Aa) The spinal part of the accessory nerve shrugs the shoulder.
    2. Bb) The oculomotor nerve closes the eye.
    3. Cc) The trigeminal nerve Is responsible for swallowing.
    4. Dd) The facial nerve receives the sensation of taste from the posterior two-thirds of the tongue.
    5. Ee) The glossopharyngeal nerve receives the sensation of touch from the anterior third of the tongue.

11. 11The following statements concern the cranial nerves involved in the process of vision:

    1. Aa) The nerve fibers of the optic nerve are surrounded by Schwann cells.
    2. Bb) The optic nerve is surrounded by an extension of the subarachnoid space.
    3. Cc) Internal ophthalmoplegia is a condition in which the oculomotor nerve supply to the dilator pupillae is lost, but the innervation of the extraocular muscles is spared.
    4. Dd) External ophthalmoplegla is a condition in which the oculomotor nerve supply to the extraocular muscles is spared, but the innervation of the sphincter pupillae and the ciliary muscle is lost.
    5. Ee) The optic nerve leaves the orbital cavity through the optic canal in the greater wing of the sphenoid bone.
12. 12The following statements concern the cranial nerves listed below:

    1. Aa) The main sensory nucleus of the trigeminal nerve Iies In the brainstem medial to the motor nucleus.
    2. Bb) Proprioceptive Impulses from the facial muscles end in the mesencephalic nucleus of the facial nerve.
    3. Cc) The facial nerve leaves the posterior cranial fossa with the vestibulocochlear nerve by passing through the stylomastoid foramen.
    4. Dd) The superior salivatory nucleus of the facial nerve Innervates the parotid salivary gland.
    5. Ee) The olfactory receptor cells are located ln the mucous membrane of the nasal cavity above the level of the superior concha.
13. 13A 64-year-old man visited his physician because he had noticed a swelling on the right side of his neck. He mentioned that he had suffered from a chronic cough for 6 months and was rapidly losing weight.
    
    On physical examination, the following possible signs emerged except:
    

    1. Aa) The right half of his tongue was wrinkled and wasted.
    2. Bb) When he was asked to protrude his tongue, it turned to the right.
    3. Cc) The swelling on the right side of his neck was high up deep to the right sternocleidomastoid muscle and was hard and fixed.
    4. Dd) A chest radiograph revealed an advanced bronchogenic carcinoma of the right lung.
    5. Ee) The patient had no taste sensation on the anterior two-thirds of the tongue on the right side.
14. 14A 64-year-old man visited his physician because he had noticed a swelling on the right side of his neck. He mentioned that he had suffered from a chronic cough for 6 months and was rapidly losing weight.
    
    The physician made the following correct conclusions except:
    

    1. Aa) The patient had numerous lung metastases in
       the deep cervical lymph nodes on the right side.
    2. Bb) A lesion of the right hypoglossal nerve existed at some point between the nucleus in the medulla oblongata and the tongue muscles supplied.
    3. Cc) One of the metastases had invaded the right hypoglossal nerve in the neck.
    4. Dd) The loss of weight could be explained by the presence of the advanced carcinoma in the lung.
    5. Ee) The tongue was wrinkled because the mucous membrane was atrophied.
15. 15Structure number 1 is the:

    

    1. Aa) olfactory tract
    2. Bb) olfactory nerve
    3. Cc) anterior cerebral artery
    4. Dd) olfactory bulb
    5. Ee) inferior frontal gyrus
16. 16Structure number 2 is the:

    

    1. Aa) inferior frontal gyrus
    2. Bb) lateral olfactory stria
    3. Cc) olfactory nerve
    4. Dd) olfactory bulb
    5. Ee) olfactory tract
17. 17Structure number 3 is the:
    

    

    1. Aa) optic nerve
    2. Bb) optic chiasma
    3. Cc) anterior perforating substance
    4. Dd) optic tract
    5. Ee) oculomotor nerve
18. 18Structure number 4 is the:

    

    1. Aa) optic nerve
    2. Bb) optic tract
    3. Cc) optic chiasma
    4. Dd) hypophysis cerebri
    5. Ee) interpeduncular fossa
19. 19Structure number 5 is the:

    

    1. Aa) anterior perforated substance
    2. Bb) oculomotor nerve
    3. Cc) maxillary nerve
    4. Dd) middle cerebral artery
    5. Ee) optic tract
20. 20Structure number 6 is the:

    

    1. Aa) vertebral artery
    2. Bb) spinal part of the accessory nerve
    3. Cc) hypoglossal nerve
    4. Dd) glossopharyngeal nerve
    5. Ee) first cervical nerve
21. 21Structure number 7 is the:

    

    1. Aa) ophthalmic nerve.
    2. Bb) motor root of the trigeminal nerve
    3. Cc) sensory root of the trigeminal nerve.
    4. Dd) flocculus of the cerebellum
    5. Ee) vestibulocochlear nerve
22. 22Structure number 8 is the

    

    1. Aa) motor root of the trigeminal nerve
    2. Bb) sensory root of the trigeminal nerve.
    3. Cc) vestibular part of the eighth cranial nerve
    4. Dd) maxillary nerve
    5. Ee) abducens nerve
23. 23Structure number 9 is the:

    

    1. Aa) trochlear nerve
    2. Bb) abducens nerve
    3. Cc) facial nerve
    4. Dd) oculomotor nerve
    5. Ee) vestibulocochlear nerve
24. 24Structure number 1 is the location of the nucleus of the:
    

    

    1. Aa) abducens nerve
    2. Bb) trochlear nerve
    3. Cc) trigeminal nerve.
    4. Dd) facial nerve
    5. Ee) oculomotor nerve
25. 25Structure number 2 is the location of the nucleus of the:
    

    

    1. Aa) trigeminal nerve
    2. Bb) trochlear nerve
    3. Cc) abducens nerve
    4. Dd) oculomotor nerve
    5. Ee) vestibulocochlear nerve
26. 26Structure number 3 is the:

    

    1. Aa) oculomotor nerve
    2. Bb) trochlear nerve
    3. Cc) trigeminal nerve
    4. Dd) abducens nerve
    5. Ee) facial nerve
27. 27Structure number 4 ls the:
    

    

    1. Aa) trochlear nerve
    2. Bb) oculomotor nerve
    3. Cc) trigeminal nerve
    4. Dd) facial nerve
    5. Ee) abducens nerve
28. 28Structure number 5 is the:

    

    1. Aa) lamina terminalis
    2. Bb) oculomotor nerve
    3. Cc) trochlear nerve
    4. Dd) abducens nerve
    5. Ee) optic chiasma
29. 29Structure number 6 is the:

    

    1. Aa) olfactory bulb
    2. Bb) Crista galli
    3. Cc) olfactory stria
    4. Dd) anterior cerebral artery
    5. Ee) inferior frontal gyrus

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Test sobre CRANIAL NERVES, creado por NEURO QUIZ el 06/11/2021.

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