Bio chp 16

Correctly match the letter to the photoreceptor or eye part.

A choroid B pigmented cell layer C outer segment D inner segment

Match the three distinct regions of the ear with the letter on the left using the image as your guide.

A external ear B middle ear C inner ear

Using the given image of the eye, match the letter and structure.

A pupil B sclera C iris D lateral palpebral commissure

Match the letter to the photoreceptor or photoreceptor part.

A rod B cone C cell body

Match the letter and the structure using the provided image of the spiral organ.

A tectorial membrane B stereocilia C cochlear nerve D basilar membrane

Match the letter with the region of the eye.

A: fibrous tunic B: vascular tunic C: retina

What region of the eye contains the ciliary body?

B

______ occurs when impulses from an organ are perceived as originating from the skin.

Referred pain

Which cavity of the eyeball is divided into an anterior and posterior chamber?

anterior cavity

What chamber is between the iris and cornea?

anterior chamber

Which are the characteristics of the cornea?

avascular transparent

When the ________ membrane moves, the ______ on the spiral organ hair cells distort because they are anchored by the tectorial membrane.

basilar stereocilia

Gustatory cells are found in taste _________.

buds or receptors

Gustatory cells are ______.

chemoreceptors

The auditory sensory axons of the _______ branch of cranial nerve number _______ terminate in the cochlear nucleus within the brainstem.

cochlear VIII or 8

The limbus is the junction between the sclera and the ______.

cornea

Light rays are refracted or bent when they pass through two media of different ______.

densities

Which is an accessory structure of the eye?

eyebrow

The sense of smell is called ______.

olfaction

A feature common to all receptors is ______.

ability to respond to a stimulus

Receptors of the human body convert stimulus energy into ______.

an electrical signal (impulses)

True or false: The eye is spherical, measuring about 5 centimeters in diameter, and most of it is receded into the orbit of the skull.

false Reason: The eye is about 2.5 cm

The external layer of the eyeball is the ______ tunic.

fibrous

Pain is an example of a ______ sense.

general

Optic tracts ultimately are directed to the primary visual cortex in the ______ lobe.

occipital

Fill in the blank question. The fat surrounding the eye is called ______ fat.

orbital or periorbital

Olfactory receptors ______.

perceive odors

The external ear is located mostly on the outside of the body, while the middle and inner ear areas are housed within the _______ part of the temporal bone.

petrous

What type of receptor can undergo adaptation?

phasic

Fill in the blank question. If stimulated over a period of time, ______ receptors lose eventually sensitivity.

phasic or adapting

Most of the eye is ______ the orbit of the skull.

receded into

The area that a receptor cell gathers information from is called the ______.

receptive field

Some individuals experience pain in their left shoulder during a heart attack. This is an example of ______.

referred pain

The apparent distortion of the spoon in the water glass is due to the phenomenon called ________.

refraction

Sensory receptors in which structures help monitor and adjust our equilibrium?

saccule semicircular ducts utricle

What structure is the "white" of the eye?

sclera

What structure makes up the posterior 5/6 of the fibrous tunic?

sclera

Which part of the eye is an attachment site for extrinsic eye muscles?

sclera

Receptors for general senses are usually ______.

simple structure

Localization and sensitivity are easily determined in a ______ receptive field.

small

Olfaction is the sense of ______.

smell

The middle and inner ear are in which bone?

temporal bone

Optic tracts extend to which structures after they leave the optic chiasm?

the lateral geniculate nucleus of the thalamus superior colliculi

The vascular tunic of the eye is also called the ______.

uvea

Which layer of the eye contains the blood and lymph vessels?

vascular tunic

Hearing and our sense of balance comes from the stimulation of which cranial nerve?

vestibulocochlear

Fill in the blank question. The term equilibrium refers to our awareness and monitoring of our _______ position.

head

The vestibulocochlear nerve transmits ______ information.

hearing and equilibrium

Mechanoreceptors located in the skin and mucous membranes are called ______ receptors.

tactile

What is the most numerous type of receptor?

tactile receptors

Gustation is the sense of ______

taste

What is the name of structure A in the picture of the spiral organ?

tectorial membrane