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Bio 211 TTC Test 1 Questions and Answers (100% Pass)
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Bio 211 TTC Test 1 Questions and Answers (100% Pass)
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©PREP4EXAMS @2024 [REAL EXAM DUMPS] Wednesday, July 17, 2024 1:27 AMBio 211 TTC Test 1 Questions and Answers (100% Pass)
Stimilus - ✔️✔️an event that provokes a change
sensation - ✔️✔️conscious awareness of a change to stimuli
receptors - ✔️✔️what detects the change from a stimulus
transducers - ✔️✔️transform stimulus energy to electrical energy
receptor distribution - ✔️✔️determine location: somatic receptors, visceral receptors, special
senses
receptor stimulus origin - ✔️✔️Where the stimulus originates: exteroceptors, interoceptors,
and proprioceptors
modality of stimulus - ✔️✔️What a stimulus is detecting: chemoreceptors, thermoreceptors,
photoreceptors, mechanoreceptors, baroreceptors, nociceptors
three cell types of nasal epithelium - ✔️✔️supporting cells, basal cells, and olfactory receptor
cells
vallate papillae - ✔️✔️largest taste buds with 8-12 forming "V" at back of tongue
foliate papillae - ✔️✔️located on lateral aspects of posterior tongue
filiform papillae - ✔️✔️ridges that help manipulate food, medial, temperature and texture, no
taste buds
fungiform papillae - ✔️✔️ridges on the tip and sides of the tongue with few taste buds
tastants - ✔️✔️chemicals the gustatory cells detect to taste
sweet - ✔️✔️detects glucose
salty - ✔️✔️detects metal ions
sour - ✔️✔️detects H+ acid
bitter - ✔️✔️detects bases
umami - ✔️✔️detects amino acid glutamate
conjunctiva - ✔️✔️mucous secreting epithelium lining the eyelids and covering the anterior
portion of the sclera
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, ©PREP4EXAMS @2024 [REAL EXAM DUMPS] Wednesday, July 17, 2024 1:27 AM
Protective structures of eye - ✔️✔️hairs, conjunctiva, and lacrimal apparatus
lacrimal fluid contains - ✔️✔️water, sodium, ions, antibodies, and antibacterial enzyme
(lysozyme)
lysozyme - ✔️✔️breaks down the cell wall of bacteria to keep bacteria out of the eye
fibrous tunic - ✔️✔️sclera and cornea
vascular tunic - ✔️✔️choroid, ciliary body, iris, pupil
Retina Tunic - ✔️✔️pigmented layer and neural layer
3 types of neurons in the neural layer of the retina - ✔️✔️photoreceptors, bipolar cells, and
ganglion cells
what happens to the pupil of the sphincter papillae contract? - ✔️✔️the pupil constricts
what happens to the pupil if the dilator papillae contract? - ✔️✔️the pupil dialates
accommodation - ✔️✔️change in the shape of the eye
focusing - ✔️✔️tensing or relaxing the ciliary muscle to flatten or thicken the lense
aqeous humor - ✔️✔️STRUCTURE:
- Watery, liquid substance inside anterior chamber
FUNCTION:
- Provides nutrients for lens & cornea
- Produced by ciliary epithelium
- Accounts for the pressure of the eye
vitreous humor - ✔️✔️a gelatinous liquid in the posterior cavity of the eyeball that gives shape
and support to the retina
refraction - ✔️✔️bending of light rays
external ear function - ✔️✔️detects sounds waves
bony labyrinth - ✔️✔️passageways in temporal bone
membranous labyrinth - ✔️✔️membrane-covered tubes inside the bony labyrinth
cochlea - ✔️✔️the snail-shaped tube where sound vibrations are converted into nerve impulses
by the Organ of Corti inside the cochlear fluid
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