Bio 253 Hondros Test 2 – Questions With Applicable Solutions

Bio 253 Hondros Test 2 – Questions With
Applicable Solutions

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Practice questions for this set


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sympathetic--Ach to norepinephrine (NE) pre/post
ganglia
fight or flight
parasympathetic--Ach to Ach pre/post ganglia



Choose an answer



1 autonomic nervous system 2 Job of Auditory (Eustachian) tube



Which structure contains tracts that
Receptors activated by specific
3 carry nerve impulses to/from 4
action
brain?



Don't know?




Terms in this set (93)

, maintains equal pressure on both sides of tympanic
Job of Auditory
membrane
(Eustachian) tube
connects middle ear to throat

Are cranial/spinal nerves PNS
PNS or CNS?

Fibrous outer layer-sclera and cornea
Vascula middle layer-pigmented, cont. blood
Tunic layers of Eye
vessels
Nervous inner layer-retina, rods and cones

What are the ear stones? Otoliths-help with balance and equilibrium

Thermoreceptors
Receptors activated by
Nociceptors
specific action
Mechanoreceptors

Oculomotor
Cranial nerves that
Trochlear
control eye movement
Abducens

Part of Retina that contains the highest amount of
Fovea Centralis
photoreceptors

Optic nerve exits through here
Optic Disc Pt of retina the has NO photoreceptors
where blood vessels enter eye

Pinna (auricle)--external auditory canal--tympanic
membrane (vibrates back and forth; pushes on the
Sound transmission in ear ossicles)--malleolus, incus, stapes--fluid in the inner
ear becomes wavy and stimulates
mechanoreceptors (hair cells) in the cochlea

Which receptors never Nociceptors--Pain
experience adaptation?

Receptors controlled by Mechanoreceptors
being stretched or ie-Bladder distention
pushed on

The receptor of the nose chemoreceptors