BIOL 2311 Exam 4

What do we call neuronal processes that transmit membrane potentials away from the neuronal cell body?

axon

What are clusters of neuronal cell bodies in the central nervous system called?

nuclei

Identify the indicated part of a nerve.

myelin sheath

Identify the indicated connective layer of a nerve.

perineurium

Identify the indicated space of the brain.

third ventricle

Identify the indicated lobe of the brain.

occipital lobe

Identify the indicated structure of the brain.

anterior commissure

Identify the indicated ridge of the brain.

postcentral gyrus

Identify the indicated lobe of the cerebellum.

anterior lobe

Identify the indicated portion of the cerebellum.

cerebellar cortex

Identify the indicated structure.

optic tract

Identify the indicated cranial nerve.

facial

Is the indicated cranial nerve sensory only, motor only, or both sensory and motor?

motor

both

Is the indicated cranial nerve sensory only, motor only, or both sensory and motor?

motor

Identify the indicated space.

cerebral aqueduct

Identify the indicated space.

fourth ventricle

Identify the indicated space.

subarachnoid space

Identify the indicated structure.

crista galli

Identify the indicated structure (be specific).

anterior funiculus

ventral funiculus

Identify the indicated layer of the meninges.

dura mater

Identify the indicated structures.

cervical spinal nerves

Identify the indicated structure.

conus medullaris

Identify the indicated structure.

fovea centralis

Identify the indicated space.

posterior segment

Identify the indicated layer.

palpebral conjunctiva

Identify the indicated structure.

lacrimal canaliculus

Identify the indicated structure.

nasolacrimal duct

Identify the indicated structure.

inferior rectus muscle

Identify the indicated structure.

trochlea

Identify the indicated layer of the retina.

bipolar layer

Identify the indicated layer of the retina.

ganglion cell layer

Identify the indicated structure.

stapes

Identify the indicated structure.

tympanic membrane

Identify the indicated region of the ear.

middle ear

Identify the indicated region of the ear.

outer ear

Identify the indicated structure.

utricle

Identify the indicated opening.

round window

What phenomenon do the indicated structures sense?

dynamic equilibrium

What phenomenon does the indicated structure sense?

hearing

Identify the indicated space.

scala tympani

Identify the indicated space.

scala vestibuli

What fluid fills the cochlear duct?

endolymph

What fluid fills the scala vestibuli?

perilymph

The inability of the eye to focus well on close objects as a result of abnormal shape of the eyeball is called:

hyperopia

The ability of the eye to focus on close objects is called:

accommodation

Which cranial nerve supplies the inferior oblique muscle of the eye?

occulomotor

Which cranial nerve supplies the lateral rectus muscle of the eye?

abducens

Which of the three tunics (layers) does the sclera belong to?

fibrous

To which portion of the ear (outer, middle, inner) does the cochlea belong?

inner ear

inner

With which sense (hearing, static equilibrium, dynamic equilibrium) is the tympanum associated?

hearing

What is the functional classification for neurons that carry information from peripheral receptors to the central nervous system?

sensory

Identify the indicated part of a nerve.

fascicle

Identify the indicated groove of the brain.

central sulcus

Identify the indicated structure of the brain.

corpus callosum

Identify the indicated structure of the brain.

pineal gland

Identify the indicated structure of the central nervous system.

spinal cord

Identify the indicated groove of the cerebellum.

horizontal fissure

Identify the indicated lobe of the cerebellum.

posterior lobe

Identify the indicated cranial nerve.

oculomotor

Identify the indicated cranial nerve.

optic nerve

Is the indicated cranial nerve sensory only, motor only, or both sensory and motor?

sensory

Identify the indicated space.

third ventricle

Identify the indicated space.

central canal

Identify the indicated structure.

falx cerebri

Identify the indicated structure.

arachnoid granulation

arachnoid villus

Identify the indicated groove.

anterior median sulcus

ventral median fissure

Identify the indicated structure (be specific).

dorsal horn

posterior horn

Identify the indicated structures.

sacral spinal nerves

Identify the indicated structure.

cervical enlargement

Identify the indicated structure.

iris

Identify the indicated structure.

lateral canthus

lateral commissure

Identify the indicated structure.

lacrimal gland

Identify the indicated structure.

superior oblique muscle

Identify the indicated layer of the retina.

photoreceptor cell layer

Identify the indicated space.

auditory tube

Eustachian tube

pharyngotympanic tube

Identify the indicated region of the ear.

inner ear

Identify the indicated region.

vestibule

Identify the indicated structures.

maculae

Identify the indicated structures.

hair cells

Identify the indicated structure.

basilar membrane

The inability of the eye to focus well on far objects is called:

myopia

Which cranial nerve supplies the superior oblique muscle of the eye?

trochlear

Which cranial nerve supplies the medial rectus muscle of the eye?

occulomotor

Which of the three tunics (layers) does the cornea belong to?

fibrous

To which portion of the ear (outer, middle, inner) does the acoustic meatus belong?

outer

outer ear

With which sense (hearing, static equilibrium, dynamic equilibrium) is the utricle associated?

static equilibrium

static

What is the functional classification for neurons that carry information from the central nervous system to peripheral effector organs?

motor

Identify the indicated connective layer of a nerve.

epineurium

Identify the indicated structure of the brain.

mammilary bodies

Identify the indicated space of the brain.

fourth ventricle

Identify the indicated portion of the cerebellum.

white matter

Identify the indicated cranial nerve.

abducens

Identify the indicated cranial nerve.

vagus

Is the indicated cranial nerve sensory only, motor only, or both sensory and motor?

both

Is the indicated cranial nerve sensory only, motor only, or both sensory and motor?

motor

Identify the indicated part of the coverings of the brain.

periosteal dura mater

Identify the indicated space.

superior sagittal sinus

Identify the indicated structure.

dorsal root ganglion

Identify the indicated groove.

posterior median sulcus

dorsal median sulcus

Identify the indicated structures.

thoracic spinal nerves