BIO 253 HONDROS TEST 2 ACTUAL COMPLETE REAL EXAM
FULLY SOLVED & UPDATED 2026 QUESTIONS AND
CORRECT ANSWERS ( EXPERT VERIFIED AND DETAILED
ANSWERS) FOR QUARANTEED PASS | A+ GRADE
ASSURED | LATEST UPDATE 2026 !!! GET IT 100%
ACCURATE!! (JUST RELEASED)
Job of Auditory (Eustachian) tube - ANSWER-maintains equal pressure on
both sides of tympanic membrane connects middle ear to throat
Are cranial/spinal nerves PNS or CNS? - ANSWER-PNS
Tunic layers of Eye - ANSWER-Fibrous outer layer-sclera and cornea
Vascular 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
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)--malleolus, incus, stapes--fluid in the inner ear becomes wavy
and stimulates mechanoreceptors (hair cells) in the cochlea
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
FULLY SOLVED & UPDATED 2026 QUESTIONS AND
CORRECT ANSWERS ( EXPERT VERIFIED AND DETAILED
ANSWERS) FOR QUARANTEED PASS | A+ GRADE
ASSURED | LATEST UPDATE 2026 !!! GET IT 100%
ACCURATE!! (JUST RELEASED)
Job of Auditory (Eustachian) tube - ANSWER-maintains equal pressure on
both sides of tympanic membrane connects middle ear to throat
Are cranial/spinal nerves PNS or CNS? - ANSWER-PNS
Tunic layers of Eye - ANSWER-Fibrous outer layer-sclera and cornea
Vascular 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
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)--malleolus, incus, stapes--fluid in the inner ear becomes wavy
and stimulates mechanoreceptors (hair cells) in the cochlea
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
