senses

Accessory organs that protect the eye are the __ and ____ apparatus

eyelids lacrimal

What is the structure of the receptors that detect temperature?

free nerve endings

Touch, pressure, temperature, and pain are included in the

general

Sensations of touch, temperature, pressure, and pain are called the _______ senses, while taste, smell, vision, hearing and balance are referred to as the _____ senses

general special

The muscle that raises the upper eyelid for opening the eye is the Blank______ muscle.

levator palpebrae superioris

Pain is perceived by receptors called

nociceptors

Nerve fibers from the nasal (medial) half of each retina cross over to the other side of the brain at the X-shaped structure called the

optic chiasma

The muscle that closes the eyelids when it contracts is the Blank______ muscle.

orbicularis oculi

Which of the following are considered general senses?

pain, touch, pressure

The conscious awareness of stimuli is called Blank______.

perception

The interpretation by the brain of incoming sensory impulses is called _____ .

perception

Rods and cones contain light-sensitive that decompose when they absorb light energy, an example of which is rhodopsin.

photopigments

Indicate three visual accessory structures of the eye.

Extrinsic muscles Lacrimal apparatus Eyelids

Conductive hearing loss can be the result of:

plugging of the external acoustic meatus. damage to the eardrum. changes in the auditory ossicles.

Free nerve endings, tactile corpuscles, and lamellated corpuscles are receptors for which sense?

pressure

Sensors associated with skeletal muscle that provide information about body position are called Blank______.

propiroceptors

Muscle spindles and Golgi tendon organs are two types of ______ that provide information about body position.

proprioceptors

Rays of light enter the eye and an image of the object is focused on the retina. The phenomenon of bending the light rays during focusing is called

refraction

______ occurs when sensory impulses are sent to the brain; Blank______ occurs when the brain interprets those sensory impulses.

sensation perception

Damage to the cochlea, auditory nerve, or auditory pathways can cause Blank______ hearing loss.

sensorineural

You are usually unaware of the pressure of your clothing against your skin due to the phenomenon of ___ _____, by which your nervous system becomes less responsive to a maintained stimulus.

sensory adaptation

Nociceptors are found in the ______.

skin

Which of the following are chemoreceptors?

smell and taste

Receptors for touch and pressure are free nerve endings, _____ corpuscles, and ______corpuscles

tactile lamellated

The facial, glossopharyngeal and vagus nerves carry impulses involved in the special sense of Blank______.

taste

Chemoreceptors are stimulated by changes in Blank______, while pain receptors are stimulated by Blank______.

the concentration of chemicals; tissue damage

Sensory receptors that are stimulated by changes in temperature are called ____ , while receptors sensitive to changes in pressure or movement are called _____

thermoreceptor mechanoreceptors

The thermoreceptors in the skin are classified as ____ receptors and _____receptors.

warm cold

Describe the olfactory bulbs. Multiple choice question.

Site of synapses between olfactory receptor cells and cells of olfactory tract

The ability of the nervous system to become less responsive to a maintained stimulus is called sensory

adaptation

Inflammation of the nasal cavity lining due to respiratory infection, tobacco smoking, or cocaine use can cause a loss of smell called ______

anosmia

Some of the general senses include the ability to perceive:

body position, movement, and muscle stretching.

Olfactory receptors and taste receptors are examples of ______.

chemoreceptors

The labyrinth includes the Blank______.

cochlea, vestibule, and semicircular canals

The photoreceptors that provide color vision are called ____cells; the ones that provide black/gray/white vision are called ___ cell

cones rods

What is the location of the auditory tube?

connects tympanic cavity to nasopharynx

Where are the olfactory organs located?

Covering superior nasal conchae and part of nasal septum

List three components of the outer ear

Tympanic membrane Auricle External acoustic meatus

Which describe rods?

Vision in dim light. More sensitive to light.