BIO 136 Chapter 15 Quiz
The sensory layer of the eye.
Retina
The structure most responsible for focusing light rays that enter the eye.
Lens
Helps maintain the intraocular pressure; located in the anterior part of the eye.
Aqueous Humor
Area of greatest visual acuity.
Fovea Centralis
Otoliths are:
Ear Stone
Connects the middle ear with the nasopharynx.
Pharyngotympanic Tube
Separates external acoustic meatus from the middle ear.
Tympanic Membrane
Contains Uticle and Saccule
Vestibule
An inflammation of the lining of the middle ear
Otitis Media
A condition often leading to blindness due to increased intraocular pressure
Glaucoma
A condition of deafness that may result from otosclerosis
Conduction Deafness
TRUE OR FALSE:
The optic disc is the location where the optic nerve leaves the eyeball?
TRUE
TRUE OR FALSE:
The fluid contained within the membranous labyrinth is called perilymph?
FALSE
TRUE OR FALSE:
Sour taste receptors are stimulated by hydrogen ions of acidic food substances?
TRUE
TRUE OR FALSE:
The structure that allows equalization of the pressure in the middle ear with that outside the body is the external auditory meatus?
FALSE
TRUE OR FALSE:
In order for sound to reach the spiral organ (of Corti), the auditory ossicles must vibrate the oval window and set the endolymph in motion?
TRUE
TRUE OR FALSE:
Light passes through the entire thickness of the neural layer of the retina the excite the photoreceptors?
TRUE
TRUE OR FALSE:
Without a functioning crista ampullaris, the semicircular canals would not function?
TRUE
TRUE OR FALSE:
The function of the lens of the eye is to allow precise focusing of light on the retina?
TRUE
TRUE OR FALSE:
Odorants must be volatile to be smelled?
TRUE
What is the main function of the rods in the eye?
B. Vision in dim light
What structure regulates the amount of light passing to the visual receptors of the eye?
Iris
Receptors for hearing are located in the _________?
Cochlea
Farsightedness is more properly called _______?
Hyperopia
Seventy percent of all sensory receptors are located in the _______?
Eye
Another name for the primary visual cortex is _________?
Striate Cortex