Eye Anatomy and Retinal Organization Quiz

Play an AI-generated podcast conversation about this lesson

What is the function of a sensory receptor?

Controlling involuntary muscle movements

Maintaining homeostasis in the body

Monitoring conditions in the body or environment (correct)

Generating action potentials in motor neurons

Which of the following is considered a special sense?

Pressure

Touch

Equilibrium (correct)

Pain

What is the term for the conscious awareness of a sensation?

Adaptation

Perception (correct)

Stimulation

Sensation

Which type of sensory receptor only responds to a single type of stimuli?

Phasic receptors Signup and view all the answers

What is the term for the area monitored by sensory receptors?

Receptive field Signup and view all the answers

Which type of sensory adaptation involves a receptor altering its level of activity?

Peripheral adaptation Signup and view all the answers

What is the outermost layer of the eye called?

Sclera Signup and view all the answers

Which type of photoreceptor is responsible for color vision?

Cones Signup and view all the answers

What is the name of the small region at the center of the macula?

Fovea Signup and view all the answers

Which cranial nerve carries visual information from the retina?

Optic nerve Signup and view all the answers

What is the reason for each eye receiving slightly different images?

The fovea are 2-3 inches apart Signup and view all the answers

What is the name of the structure where the optic nerves partially cross over?

Optic chiasm Signup and view all the answers

Which of the following is NOT a component of the external ear?

Auditory ossicles Signup and view all the answers

What is the primary function of the eustachian tube?

To equilibrate pressure between the middle and outer ear Signup and view all the answers

Which part of the inner ear contains the sensory receptors for hearing?

Cochlea Signup and view all the answers

What is the function of the tarsal glands associated with the eyelashes?

To secrete a lipid substance that prevents lashes from sticking together Signup and view all the answers

What is the primary function of the conjunctiva?

To cover the inner surface of the eyelids and outer surface of the eye Signup and view all the answers

Which of the following is NOT a component of the lacrimal apparatus?

Iris Signup and view all the answers

What is the primary function of the retina?

To convert light into electrical signals Signup and view all the answers

Which cranial nerve is primarily responsible for vision?

Optic nerve (CN II) Signup and view all the answers

What is the primary function of the rods in the retina?

Low-light vision Signup and view all the answers

Which part of the eye is responsible for focusing light onto the retina?

Lens Signup and view all the answers