Bio 253 Hondros Test 2 Exam, Most Recent Exam 2026 Actual
Comprehensive Real Exam Questions And Verified Answers ( 100%
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What does myelin sheath do? - ANSWER-covers white
matter
speeds up nerve impulses
NO myelin sheath in gray matter
Job of Auditory (Eustachian) tube - ANSWER-maintains
equal pressure on
both sides of tympanic
membrane
connects middle ear to
throat
Which receptors never experience adaptation? - ANSWER-
Nociceptors--Pain
Receptors controlled by being stretched or pushed
on – ANSWER-Mechanoreceptors ie-Bladder
distention
The receptor of the nose - ANSWER-chemoreceptors
,Which structure contains tracts that carry nerve impulses
to/from brain? -
ANSWER-White
matter
Are cranial/spinal nerves PNS or CNS? - ANSWER-PNS
Tunic layers of Eye - ANSWER-Fibrous outer layer-
sclera and cornea
Vascula middle layer-pigmented, cont.
blood vessels
Nervous inner layer-retina, rods
and cones
What are the ear stones? - ANSWER-Otoliths-help with
balance and
equilibrium
what are tracts? - ANSWER-white axons up and down the cord
(in CNS)
3 parts of Brain stem - ANSWER-midbrain--reflex center for
some cranial
nerves
pons--regulates
breathing
, medulla oblongata--drive to breath, cardia,
vasomotor(BP)
Receptors activated by specific action - ANSWER-
Thermoreceptors
Nociceptors
Mechanoreceptors
Cranial nerves that control eye movement - ANSWER-
Oculomotor
Trochlear
Abducens
Fovea Centralis - ANSWER-Part of Retina that contains the
highest amount of
photoreceptors
Optic Disc - ANSWER-Optic nerve exits
through here
Pt of retina the has NO
photoreceptors
where blood vessels
enter eye
Sound transmission in ear - ANSWER-Pinna (auricle)--external
auditory canal-
-tympanic membrane (vibrates back and forth; pushes on
the ossicles)--
Comprehensive Real Exam Questions And Verified Answers ( 100%
Correct Answers) Already Graded A+ | Guaranteed Success |
Newest EXAM | Just Released!!
What does myelin sheath do? - ANSWER-covers white
matter
speeds up nerve impulses
NO myelin sheath in gray matter
Job of Auditory (Eustachian) tube - ANSWER-maintains
equal pressure on
both sides of tympanic
membrane
connects middle ear to
throat
Which receptors never experience adaptation? - ANSWER-
Nociceptors--Pain
Receptors controlled by being stretched or pushed
on – ANSWER-Mechanoreceptors ie-Bladder
distention
The receptor of the nose - ANSWER-chemoreceptors
,Which structure contains tracts that carry nerve impulses
to/from brain? -
ANSWER-White
matter
Are cranial/spinal nerves PNS or CNS? - ANSWER-PNS
Tunic layers of Eye - ANSWER-Fibrous outer layer-
sclera and cornea
Vascula middle layer-pigmented, cont.
blood vessels
Nervous inner layer-retina, rods
and cones
What are the ear stones? - ANSWER-Otoliths-help with
balance and
equilibrium
what are tracts? - ANSWER-white axons up and down the cord
(in CNS)
3 parts of Brain stem - ANSWER-midbrain--reflex center for
some cranial
nerves
pons--regulates
breathing
, medulla oblongata--drive to breath, cardia,
vasomotor(BP)
Receptors activated by specific action - ANSWER-
Thermoreceptors
Nociceptors
Mechanoreceptors
Cranial nerves that control eye movement - ANSWER-
Oculomotor
Trochlear
Abducens
Fovea Centralis - ANSWER-Part of Retina that contains the
highest amount of
photoreceptors
Optic Disc - ANSWER-Optic nerve exits
through here
Pt of retina the has NO
photoreceptors
where blood vessels
enter eye
Sound transmission in ear - ANSWER-Pinna (auricle)--external
auditory canal-
-tympanic membrane (vibrates back and forth; pushes on
the ossicles)--
