BIO 253 HONDROS TEST 2 EXAM WITH
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2025 – 2026
trigeminal nerve - ANSWERS-motor
sensations of head and face
chewing movements
proprioception
oculomotor nerve - ANSWERS-mvmt. of eyeball
raising eyelid
change in pupil size
cervical plexus - ANSWERS-phrenic nerve
--skin and muscles of the neck and shoulder, diaphragm are
innervated
lumbosacral - ANSWERS-femoral
obturator
,sciatic
pudendal
--skin and muscle of lower torso and lower extremities are
innervated
fascicle - ANSWERS-bundle of nerves
pons - ANSWERS-relays info (sensory and motor)
plays a role in respiration
medulla oblongata - ANSWERS-vital function (regulation of heart
rate, blood flow, blood pressure, respiratory centers)
reflex center for coughing, sneezing, swallowing, and vomiting
corpus callosum - ANSWERS-joins together cerebral hemispheres
white matter
allows right and light sides of the brain to communicate with each
other
Cranial nerves that control eye movement - ANSWERS-Oculomotor
Trochlear
Abducens
, Fovea Centralis - ANSWERS-Part of Retina that contains the highest
amount of photoreceptors
Optic Disc - ANSWERS-Optic nerve exits through here
Pt of retina the has NO photoreceptors
where blood vessels enter eye
Sound transmission in ear - ANSWERS-Pinna (auricle)--external
auditory canal--tympanic membrane (vibrates back and forth;
pushes on the ossicles)--malleolus, incus, stapes--fluid in the inner
ear becomes wavy and stimulates mechanoreceptors (hair cells) in
the cochlea
Which receptors never experience adaptation? - ANSWERS-
Nociceptors--Pain
Receptors controlled by being stretched or pushed on - ANSWERS-
Mechanoreceptors
ie-Bladder distention
The receptor of the nose - ANSWERS-chemoreceptors
Which structure contains tracts that carry nerve impulses to/from
brain? - ANSWERS-White matter
CORRECT ACTUAL QUESTIONS AND
CORRECTLY WELL DEFINED ANSWERS
LATEST ALREADY GRADED A+ 2025 – 2026
trigeminal nerve - ANSWERS-motor
sensations of head and face
chewing movements
proprioception
oculomotor nerve - ANSWERS-mvmt. of eyeball
raising eyelid
change in pupil size
cervical plexus - ANSWERS-phrenic nerve
--skin and muscles of the neck and shoulder, diaphragm are
innervated
lumbosacral - ANSWERS-femoral
obturator
,sciatic
pudendal
--skin and muscle of lower torso and lower extremities are
innervated
fascicle - ANSWERS-bundle of nerves
pons - ANSWERS-relays info (sensory and motor)
plays a role in respiration
medulla oblongata - ANSWERS-vital function (regulation of heart
rate, blood flow, blood pressure, respiratory centers)
reflex center for coughing, sneezing, swallowing, and vomiting
corpus callosum - ANSWERS-joins together cerebral hemispheres
white matter
allows right and light sides of the brain to communicate with each
other
Cranial nerves that control eye movement - ANSWERS-Oculomotor
Trochlear
Abducens
, Fovea Centralis - ANSWERS-Part of Retina that contains the highest
amount of photoreceptors
Optic Disc - ANSWERS-Optic nerve exits through here
Pt of retina the has NO photoreceptors
where blood vessels enter eye
Sound transmission in ear - ANSWERS-Pinna (auricle)--external
auditory canal--tympanic membrane (vibrates back and forth;
pushes on the ossicles)--malleolus, incus, stapes--fluid in the inner
ear becomes wavy and stimulates mechanoreceptors (hair cells) in
the cochlea
Which receptors never experience adaptation? - ANSWERS-
Nociceptors--Pain
Receptors controlled by being stretched or pushed on - ANSWERS-
Mechanoreceptors
ie-Bladder distention
The receptor of the nose - ANSWERS-chemoreceptors
Which structure contains tracts that carry nerve impulses to/from
brain? - ANSWERS-White matter
