A&P Ch.16 Smartbook Questions

optic tracts extend to which structures after they leave the optic chasm? -the medial geniculate nucleus of the hypothalamus -superior colliculi -inferior colliculi -the lateral geniculate nucleus of the thalamus

-the lateral geniculate nucleus of the thalamus -superior colliculi

sensory receptors in which structures help monitor and adjust our equilibrium? -auditory tube -semicircular ducts -cochlea -utricle -saccule

-utricle -saccule -semicircular ducts

hearing and equilibrium are transmitted along which cranial nerve? -IX -VII -VIII -VI -X

VIII

correctly match the letter to the photoreceptor or eye part

a = choroid b = pigmented cell layer c = outer segment d = inner segment

receptors of the human body convert stimulus energy into a)chemicals b)an electrical signal c)mechanical energy

an electrical signal

when the - membrane moves, the - on the spiral organ hair cells distort because they are anchored by the tectorial membrane.

basilar, stereocilia

receptors initiate sensory input to the : a)organs b)central nervous system c) peripheral nervous system d)skin e) muscles

central nervous system

gustatory cells are a)mechanoreceptors b)chemoreceptors c)photoreceptors

chemoreceptors

A=choroid b=pigmented cell layer c=outer segment d=inner segment

correctly match the letter to the photoreceptor or eye part

light rays are refracted or bent when they pass through two media of different -. -solubilities -colors -molarities -densities

densities

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

false; the eye is about 2.5cm

the external layer of the eye is the - tunic. -nervous -fibrous -vascular

fibrous

the outermost layer of the eye is call the - tunic. a)fibrous b)vascular c)pigmented d)nervous

fibrous

the outermost layer of the eye is called the - tunic.

fibrous

a=tectorial membrane b=stereocilia c=cochlear nerve d=basilar membrane

match the letter and the structure using the provided image of the spiral organ

A= rod, b= cone, c= cell body

match the letter to the photoreceptor or photoreceptor set

a=fibrous tunic b=vascular tunic c=retina

match the letter with the region of the eye

a=external ear b=middle ear c=inner ear

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

tactile receptors are a type of a)mechanoreceptor b)nociceptor c)thermoreceptor d)chemorecptor

mechanoreceptor

optic tracts ultimately are directed to the primary visual cortex in the - lobe. -parietal -occipital -temporal -frontal

occipital

the sense of smell is called a) gustation b) proprioception c)nociception d) olfaction

olfaction

we use the sense of - to sample our environment for information about the food we will eat, the presence of other individuals in the room, or potential danger.

olfaction

the fat surrounding the eye is called - fat.

orbital

olfactory receptors - a)perceive sounds b)maintain coordination and balance c) perceive odors d) perceive tastes

perceive odors

the external ear is located mostly on the outside of the body, while the middle and inner ears are housed within the - part of the temporal lobe.

petrous

what type of receptor can undergo adaptation? tonic or phasic

phasic

if stimulated over a period of time, - receptors eventually lose sensitivity.

phasic receptors

what structure makes of the posterior 5/6 of the fibrous tunic?

sclera

which are part of the fibrous tunic? -iris -sclera -cornea

sclera and cornea

receptors for general senses are usually a) found in specialized sensory organs b) complex in structure c) simple in structure

simple in structure

localization and sensitivity are easily determined in a - receptive field. large or small

small

mechanoreceptors located in the skin and mucous membranes are called - receptors. a)tactile b)chemical c) visceral

tactile

gustation is the sense of

taste

gustatory cells are found in

taste receptors

Tectorial Membrane of the cochlea

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

b, vascular tunic

which region of the eye contains the ciliary body?

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

cochlear ; VIII

pain is an example of a - sense. special or general

general

the term equilibrium refers to our awareness and monitoring of - position.

head

the vestibulocochlear nerve transmits - information -smell and taste -taste and hearing -hearing and equilibrium

hearing and equilibrium

the area that a receptor cell gathers information from is called a) tonic receptor b) phasic receptor c)receptive field d)stimulus

receptive field

- occurs when impulses from an organ are perceived as originating from the skin. phantom or referred pain

referred pain

some individuals experience pain in their left shoulder during a heart attack. this is an example of -. phantom or referred pain

referred pain

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

refraction