nerve anatomy mcqs Flashcards
the brainstem of the central nervous system consists of which structures?
medulla, pons and midbrain
the central nervous system consists of which two of the following structures?
brain and spinal cord
which of the following is a CORRECT statement concerning neurotransmitters within the nervous system?
discharged with the arrival of the action potential
to what division of the nervous system does a nerve cell belong if it leads from the eye to the brain carrying visual information?
afferent nervous system
an efferent nerve with the nervous system is known to carry information:
away from the brain (or spinal cord) to the periphery of the body
to which of the following structures does the posterior superior alveolar nerve and its branches supply?
maxillary posterior teeth
through which of the following foramina does the facial nerve pass through the skull?
stylomastoid foramen
which of the following cranial nerves is directly involved in Bell Palsy?
facial nerve
which of the following nerve and muscle pairs is a CORRECT match?
hypoglossal nerve and intrinsic tongue muscles
which of the following nerve and innervation pairs is a CORRECT match? (2)
chorda tympani and sublingual salivary gland
which of the following cranial nerves has fibers that provide crossover-innervation to the contralateral side in the skull before continuing into the brain?
optic nerve
which of the following cranial nerves carries taste sensation for the base of the tongue?
glossopharyngeal
in which of the following regions of the head and neck is the trigeminal ganglion located?
anterior surface of the petrous part of the temporal bone
sensory information is supplied for the soft palate by which of the following?
lesser palatine nerve
the posterior belly of the digastric muscle is innervated by branches from which of the following nerves?
facial
which of the following nerves within the head and neck may show crossover-innervation from the contralateral side in a patient?
anterior superior alveolar nerve
which of the following nerves listed below is considered part of the ophthalmic nerve?
nasociliary nerve
which of the following anatomic names is also used for cranial nerve X?
vagus nerve
which of the following nerves is located within the mandibular canal?
inferior alveolar nerve
which of the following nerves exits the foramen ovale of the sphenoid bone?
motor root of the trigeminal nerve
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?
hypoglossal nerve (12th)
which of the following nerves exits the skill through the foramen ovale?
mandibular
which of the following nerves serves the pulp of the mandibular molars?
inferior alveolar
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?
paresthesisa
