12 Jun MD BIOL 362 – sense is one that is distributed throughout the body
Question
1.____________sense is one that is distributed throughout the body and has receptor cells embedded
within internal organs
a)vision
b)taste
c)specialized
d)hearing
e)general
2.sweet, bitter and umami taste submodalities result from___________
a)diffusion of sodium ions into gustatory cells
b)lowered ph due to increased hydrogen ion concentration in saliva
c)food molecules binding directly to a protein receptor
3.
Use the image above to answer the following question
The membrane labeled as ________(number) in the image above represents the membrane that slides
across the stereo cilia on the hair cells, causing the ion channels to open in hair cell membranes(that is,
sensory transduction in the auditory system)
a)1
b)2
c)3
d)4
e)5
4.__________ is the area of a sensory sheet that modulates the responsiveness of a sensory neuron. It
can have both excitatory and inhibitory regions
a) detection center
b)receptive field
c)hot spot
d)command center
5.
Use the image to answer the following question
Which sensation has the smallest receptive field?
a)pain
b)touch
c)vibration
d)warm
e)medial
6. A disproportionate number of neurons in somatosensory cerebral cortex are associated with areas of
the body having _____________
a)a higher density and higher number of neurons present in those body regions
b)larger neurons in those body areas
c)specialized (not general ) sense types of neurons in those body areas
d)a lower density and low number of neurons in those areas of the body
7. In the retina, _________will have the highest density of cone photoreceptors
a) cornea
b) pupil
c)lens
d)fovea
8. which one of the following receptor types is associated with the largest receptive field size? Receptor
types that are sensitive to____________
a)pain
b)touch
c)warm
d)vibration(mechanical)
9.The visible electromagnetic spectrum has a range from 400-700 nanometers(nm). Wavelengths
perceived as red are in ________nm range and wavelengths perceived as blue in the ________nm range.
a)475;650
b)550;700
c)650;475
d)700;650
10._________is the sensory system receptive to volatile chemical molecules
a)vision
b)audition
c)olfaction(smell)
d)gustatory(taste)
e)somatosensation (touch, pressure, temperature, pain)
f)proprioception (body and limb position sense)
g)vestibular (head position sense)
11)__________is the sensory system that encodes pitch and amplitude (intensity) as well as the speed
and direction of the stimulus
a)vision
b)audition
c)olfaction(smell)
d)gustatory(taste)
e)somatosensation (touch, pressure, temperature, pain)
f)proprioception (body and limb position sense)
g)vestibular (head position sense)
12. _________is the sensory system that encodes muscle stretch
a)vision
b)audition
c)olfaction(smell)
d)gustatory(taste)
e)somatosensation (touch, pressure, temperature, pain)
f)proprioception (body and limb position sense)
g)vestibular (head position sense)
13. which of the processes below is NOT a feature of sensory transduction
a)physical stimulus interacts with specialized protein receptors
b)interaction between chemical molecule and sensory receptor can lead to ion flow in the receptor
channel
c) interaction between chemical molecule and sensory receptor can lead to neurotransmitter release
d)mechanical activation of receptors in the skin inhibits a response in the afferent axon associated with
that sensory receptor
e)stimulation of nociceptors (pain receptors) lead to sustained action potentials in A-delta and C-type
axon fibers
14. Sensory transduction results in conversation of the properties of an environment stimulus by a
sensory neuron into _________that are signals meaningful to the nervous system.
a)action potential
b)physical movements
c)chemical reactions
15._____________ is an important group of neurons in the brain of relaying sensory information to
specific sensory areas of cerebral cortex
a)cerebellum
b)pons
c)thalamus
d)basal ganglia
16.In the auditory system features of physical sound waves are transduced through interaction with the
tympanic membrane which is attached to the ________which in turn push against the fluid in the canal
of the cochlea
a)ossicles
b)external acoustic (auditory)meatus
c)basilar membrane
d)organ of corti
e)tectorial membrane
17.
Which of the letter identifies the fovea?
a)A
b)C
c)D
d)F
e)H
f)G
g)J
18.
Which letter identifies the lens?
a)A
b)C
c)D
d)F
e)H
f)G
g)J
19.
Which layer is located closer to incoming light rays
a)A
b)C
c)D
d)E
e)F
20.
__________cells reside in/at layer E
a)amacrine
b)photoreceptors
c)only cones
d)horizontal cells
e)bipolar cells
21.
Proteins called opsins (which are involved in visual transduction) are present in cells found in layer
a)A
b)C
c)D
d)E
e)F
22.
Axons of cells in this layer of the retina will convey visual sensory information to the brain. Identify the
letter of the layer
a)A
b)C
c)D
d)E
e)F
23.
Ganglion cells in layer __________give rise to the optic nerve
a)A
b)C
c)D
d)E
e)F
24. The vestibular system encodes information about angular acceleration in the _______ and linear
acceleration in the __________
a)cochlear nucleus, basal ganglia
b)superior; otolith organs
c)crista; otolith organs
d)cochlear nucleus; superior colliculus
e)cochlear nucleus; basal ganglia
25.
The _______and ______systems collectively contribute to the enjoyment of food and contribute to poor
nutrition in the elderly as their sensitivity declines during aging
a)vision, taste
b) olfactory, taste
c)auditory, vision
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