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