nerve anatomy mcqs

Question 1

the brainstem of the central nervous system consists of which structures?

Answer 1

medulla, pons and midbrain

Question 2

the central nervous system consists of which two of the following structures?

Answer 2

brain and spinal cord

Question 3

which of the following is a CORRECT statement concerning neurotransmitters within the nervous system?

Answer 3

discharged with the arrival of the action potential

Question 4

to what division of the nervous system does a nerve cell belong if it leads from the eye to the brain carrying visual information?

Answer 4

afferent nervous system

Question 5

an efferent nerve with the nervous system is known to carry information:

Answer 5

away from the brain (or spinal cord) to the periphery of the body

Question 6

to which of the following structures does the posterior superior alveolar nerve and its branches supply?

Answer 6

maxillary posterior teeth

Question 7

through which of the following foramina does the facial nerve pass through the skull?

Answer 7

stylomastoid foramen

Question 8

which of the following cranial nerves is directly involved in Bell Palsy?

Answer 8

facial nerve

Question 9

which of the following nerve and muscle pairs is a CORRECT match?

Answer 9

hypoglossal nerve and intrinsic tongue muscles

Question 10

which of the following nerve and innervation pairs is a CORRECT match? (2)

Answer 10

chorda tympani and sublingual salivary gland

Question 11

which of the following cranial nerves has fibers that provide crossover-innervation to the contralateral side in the skull before continuing into the brain?

Answer 11

optic nerve

Question 12

which of the following cranial nerves carries taste sensation for the base of the tongue?

Answer 12

glossopharyngeal

Question 13

in which of the following regions of the head and neck is the trigeminal ganglion located?

Answer 13

anterior surface of the petrous part of the temporal bone

Question 14

sensory information is supplied for the soft palate by which of the following?

Answer 14

lesser palatine nerve

Question 15

the posterior belly of the digastric muscle is innervated by branches from which of the following nerves?

Answer 15

facial

Question 16

which of the following nerves within the head and neck may show crossover-innervation from the contralateral side in a patient?

Answer 16

anterior superior alveolar nerve

Question 17

which of the following nerves listed below is considered part of the ophthalmic nerve?

Answer 17

nasociliary nerve

Question 18

which of the following anatomic names is also used for cranial nerve X?

Answer 18

vagus nerve

Question 19

which of the following nerves is located within the mandibular canal?

Answer 19

inferior alveolar nerve

Question 20

which of the following nerves exits the foramen ovale of the sphenoid bone?

Answer 20

motor root of the trigeminal nerve

Question 21

which of the following cranial nerves and its motor function is involved when a patient protrudes the tongue and a deviation to the right side is noted?

Answer 21

hypoglossal nerve (12th)

Question 22

which of the following nerves exits the skill through the foramen ovale?

Answer 22

mandibular

Question 23

which of the following nerves serves the pulp of the mandibular molars?

Answer 23

inferior alveolar

Question 24

which of the following is considered the loss of feeling or sensation resulting from the use of certain drugs or gases that serve as inhibitory neurotransmitters?

Answer 24

paresthesisa

Question 25

which nerve may in some cases also serve as an afferent nerve for the mandibular first molar, which needs to be considered when there is failure of the inferior alveolar local anesthetic block?

Answer 25

mylohyoid nerve