22 Questions
What is the function of a sensory receptor?
Monitoring conditions in the body or environment
Which of the following is considered a special sense?
Equilibrium
What is the term for the conscious awareness of a sensation?
Perception
Which type of sensory receptor only responds to a single type of stimuli?
Phasic receptors
What is the term for the area monitored by sensory receptors?
Receptive field
Which type of sensory adaptation involves a receptor altering its level of activity?
Peripheral adaptation
What is the outermost layer of the eye called?
Sclera
Which type of photoreceptor is responsible for color vision?
Cones
What is the name of the small region at the center of the macula?
Fovea
Which cranial nerve carries visual information from the retina?
Optic nerve
What is the reason for each eye receiving slightly different images?
The fovea are 2-3 inches apart
What is the name of the structure where the optic nerves partially cross over?
Optic chiasm
Which of the following is NOT a component of the external ear?
Auditory ossicles
What is the primary function of the eustachian tube?
To equilibrate pressure between the middle and outer ear
Which part of the inner ear contains the sensory receptors for hearing?
Cochlea
What is the function of the tarsal glands associated with the eyelashes?
To secrete a lipid substance that prevents lashes from sticking together
What is the primary function of the conjunctiva?
To cover the inner surface of the eyelids and outer surface of the eye
Which of the following is NOT a component of the lacrimal apparatus?
Iris
What is the primary function of the retina?
To convert light into electrical signals
Which cranial nerve is primarily responsible for vision?
Optic nerve (CN II)
What is the primary function of the rods in the retina?
Low-light vision
Which part of the eye is responsible for focusing light onto the retina?
Lens
Test your knowledge on the anatomy of the eye and the organization of the retina. Learn about the different layers, cavities, and cells that make up the eye structure.
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