A&P2
Which structure in the diagram has a single long microvillus projecting to the external surface through the taste pore?
c, gustatory receptor cell
this darkly pigmented structure reduces light reflection within the eyeball
choroid
Which of the following molecules is capable of detecting light rays that strike the photopigments in the retina?
cis-retinal
This is a thin mucous membrane that protects the inner aspect of the eyelids and the portion of the sclera covering the anterior surface of the eyeball.
conjunctive
which sensory structure in the inner ear is capable of sensing rapid rotation of your head to the left
crista of a semicircular duct
the lens is made of layers of proteins called
crystallins
binocular vision
gives better depth perception
these receptor cells provide for the sense of taste
gustatory
the main function of this structure is to regulate the amount of light entering the eyeball through the pupil
iris
which of the following structure contains otoliths(ear stones)
macula if the saccule
Which of the following are structures of the membranous labyrinth of the inner that are involved in dynamic and static equilibrium?
more than one is correct
The vestibular nuclei of the brainstem that control equilibrium receives sensory information from all the following areas EXCEPT the
nociceptors in the distal limbs
the smell receptors that actually bind the odorants and begin signal transduction are located on the
olfactory hairs
olfactory receptors are found
only in the superior portion of the nasal cavity
which of the following is the space between the upper and lower eyelids
palpebral fissure
presbycusis refers to age-associated
progressive loss of hearing in both ears
this outer layer of dense connective tissue serves to protect the inner parts of the eyeball
sclera
Which of the following structures senses change in rotational acceleration of the head in order to help maintain dynamic equilibrium?
semicircular canalas
these cells provide physical support, nourishment and electrical insulation for olfactory receptor cells
supporting cells
Which of the following statements accurately describes the changes in the membrane potential of a photoreceptor cell when light rays strike its photopigments?
the photoreceptor cell undergoes hyperpolarization
taste buds are found on
the soft palate, the epiglottis, and the pharynx
when sounds waves strike this structure, they cause it to vibrate back and forth
tympanic membrane
which of the following nerves conducts impulses associated with the sense of gustation
vagus
which of the following structure carries action potentials generated by sound transduction
vestibulocochlear nerve
this lies between the lens and the retina
vitreous chamber
How many extrinsic eye muscles are responsible for moving each eye
6
where is the outer synaptic layer
A
which part of the diagram contains the olfactory bulb neurons
A, olfactory bulb
which structure in the diagram is an opening in the taste bud
A, taste pore
which of the labeled papilla houses 100-300 taste buds each?
A, vallate papilla
these are the auditory ossicles
A,B,J
where is the bipolar cell layer
B
which figure illustrates nearsightedness before it has been corrected
B
where in the diagram is the cribriform plate located
B,
which labelled structure is the blind spot of the eye
B, optic disc
which structure in the diagram produces mucus
C, olfactory gland
what figure illustrates farsightedness before it has been corrected
D
where in the internal auditory canal
D
where is the ganglion cell layer
D
where is the sclera
D
which of the labeled papilla have taste buds that degenerate in early childhood
D
Which cells in the diagram are the stem cells that develop into gustatory receptor cells?
D, basal cell
which cell in the diagram are the stem cells that develop into gustory receptor cells
D, basal cell
which cells are the precursor cells of the olfactory receptors
D, basal cells
which of the cells in the diagram is a developing olfactory receptor
E
Which of the cells in the diagram are the first order neurons of the olfactory pathway?
F, olfactory receptor cells
Which cell in the diagram is the supporting cell
G
what contains aqueous humor
G, Anterior cavity
Which of the cells in the diagram provide physical support, nourishment and electrical insulation for the olfactory receptors?
G, supporting cells
which structure in the diagram of a taste bud is a stratified squamous epithelial cell
H
which structure labeled in the diagram contains the receptors that bind the inhaled chemicals
I, olfactory cilia
which structure in the diagram is the olfactory epithelium
K
this structure is a thin semi-transparent partition between the external auditory canal and the middle ear
K, Tympanic membrane
which part of the diagram contains the axons from olfactory bulb neurons
L, olfactory tract
what is the correct order in the flow of tears
Lacrimal gland, lacrimal duct, superior or inferior lacrimal canal, lacrimal sac, nasolacrimal duct, nasal cavity.
infection of a sebaceous ciliary gland can result in
a sty
the first step in the visual transduction process that occurs in the retina is
absorption of light by photopigments
