Cranial Nerves
You are walking across campus when a bear jumps out in front of you from behind a dumpster. Which division of the autonomic nervous system is going to dominate when that bear startles you?!
Sympathetic
What is the difference between a nerve and a tract?
A bundle of axons in the CNS is called a tract, while in the PNS it is called a nerve.
A collection of neuronal cell bodies located in the peripheral nervous system is called
ganglion
The afferent division of the PNS __________.
conducts impulses to the CNS from sensory receptors
The "rest and digestion" division of the ANS is formally known as the __________ division.
parasympathetic division
Which of the following skull bones contains paranasal sinusus?
ethmoid
Which structure below is associated with the sphenoid bone
foramen ovale
What suture is located between the parietal bones and the occipital bone
lambdoidal suture
Which bones form the hard palate
Maxillae & palatine bone
Which of the following is a bone of the cranium
sphenoid
What bony feature is NOT part of the ethmoid bone
inferior nasal concha
Which passageway is INCORRECTLY paired with a structure that is transmitted through the passageway
Foramen ovale –maxillary division of trigeminal nerve
What bony feature is associated with a temporal bone
carotid canal
Which of the following cranial bones articulates with the condyle of the mandible
temporal
Which bones form the bridge of the nose
nasal bones
The auditory ossicles transmit vibrations from the tympanic membrane across the middle ear to the
Oval Window
Which of the following structure(s) are located in the inner ear
cochlea
Which nerve carries special sensory information from the posterior 1/3 of the tongue
glossopharyngeal
Olfactory receptor cells are examples of
chemoreceptors
GENERAL sensation to the anterior 2/3 of the tongue is supplied by a branch of the
trigeminal nerve
Which of the following is a part of the fibrous tunic of the eye
sclera
The primary auditory cortex is located in the _______ lobe
temporal
Which of the following cells are responsible for transduction in the eye
rods and cones
Walking from a dark room into a bright room normally causes the pupil to _______, activitiy which is produced by ______ stimulation. Which of the following words fill in the blanks in the proper order (
constrict; parasympathetic
Which of the following is INCORRECT about the visual pathway to the brain
If the left optic tract was cut, input from the entire visual field would still be able to reach the visual cortex via the right optic tract.
Which of the following cranial nerves does NOT travel through the superior orbital fissure
optic
How many cranial nerves pairs innervate the extrinsic muscles of the eye
3
The infraorbital nerve is a branch of the
maxillary division of the trigeminal nerve
Which cranial nerve innervates muscles of the tongue
hypoglosseal
How many cranial nerve pairs exit through the jugular foramen?
3
Which of the following cranial nerves are sensory ONLY
1,2,5
Which of the following cranial nerve carries parasympathetic fibers
glossopharyngeal
What skull structure(s) do the olfactory nerves pass through
cribiforamina
General sensation to the anterior 2/3 of the tongue is provided by a branch of the
mandibular
The muscle that closes the eyelid is the
orbicularis
If someone bilaterally contracts their medial rectus muscles of their eyes, they cause their two eyes to
adduct
The only muscle of mastication that depresses the mandible
pterygoid
What structure listed below is important in detecting changes in the concentration of oxygen in the blood
carotid body
The external jugular vein typically drains blood into the
subclavain