Sensory Systems
Which of the following best describes an example of sensory adaptation?
a) after getting an IV in your arm, your arm hurts worse over time
b) after jumping into the cold pool, overtime you get used to the cold
c) after sitting in the uncomfortable chair, you feel more back pain over time
d) after eating hot cheetos, they become more spicy the more chips you eat
b) after jumping into the cold pool, overtime you get used to the cold
Damage to which lobe would lead to changes to the somatosensory system?
a) temporal
b) frontal
c) occipital
d) parietal
d) parietal
Which of the following explains the reason why it is easier to identify the color of objects in the center of our visual field?
a) complex cells in the primary visual cortex respond strongly to moving stimulus
b) there is a higher concentration of cones in the fovea
c) rods respond to a wider range of light intensities
d) there are three main cones (red, blue, green)
b) there is a higher concentration of cones in the fovea
Which of the following show the correct path of the visual pathway?
a) visual cortex-->thalamus-->optic nerve-->optic chaism-->retina --> lateral geniculate nucleus
b) retina-->optic nerve-->optic chaism--> visual cortex --> lateral geniculate nucleus--> photoreceptors
c) lateral geniculate nucleus --> optic tract --> retina -->optic chaism-- -->photoreceptors
d) retina-->optic nerve-- -->optic chaism-->optic tract--> lateral geniculate nucleus-->visual cortex
d) retina-->optic nerve-->optic chaism-->optic tract--> lateral geniculate nucleus-->visual cortex
The body receives information from cutaneous receptors on the skin, which of the following is not an example of information we receive through these receptors?
a) walking on uneven ground without looking down
b) the pressure of a rock on your foot
c) the vibrations of guitar strings on your finger
d) the feeling of the hot door handle on your hand
a) walking on uneven ground without looking down
Which of the following describes dermatones?
a) all spinal nerves that send information to the spinal cord
b) the cranial nerves that go from the face to the brain
c) the stomach is innervated by only the thoracic spinal nerve
d) the face is innervated by sacral and lumbar spinal nerves
c) the stomach is innervated by only the thoracic spinal nerve
If there is damage to the ciliary muscles, which of the following would not be affected?
a) the amount of photoreceptors in the retina
b) the amount of light reaching the fovea
c) close distance vision
d) the shape of the lens
a) the amount of photoreceptors in the retina
Which of the following is true of processes in the retina?
a) ganglion cells generate local graded potentials
b) amacrine cells generate action potentials
c) bipolar cells receive input from photoreceptors and synapse on ganglion cells
d) accomodation takes place
c) bipolar cells receive input from photoreceptors and synapse on ganglion cells
Susie works at a day care and deals with a lot of sick children during the winter, one morning she notices that her throat is sore and feels very cold. Which of the following best represents these sensations?
a) interoceptive senses
b) cutaneous senses
c) exteroceptive senses
d) prosopagnosia
a) interoceptive senses
Which of the following is not a type of somatosensory information?
a) proprioception
b) interoception
c) accomodation
d) exteroception
c) accomodation
Which of the following is true of myopia?
a) the eyeball is too short so the objects reach the back of the retina
b) it cannot be corrected with glasses
c) it is when people are far-sighted
d) the eyeball is too long and the objects focus infront of the retina
d) the eyeball is too long and the objects focus infront of the retina
What is true of the blind spot?
a) there are a lot of cones in the optic disc
b) there are no photoreceptors, it is where the ganglion cells leave the eye
c) it is where photoreceptors receive photons
d) it is where the horizontal cells leave the eye
b) there are no photoreceptors, it is where the ganglion cells leave the eye
Which of the following is an example of transduction?
a) the retina translating photons into action potentials
b) the process of sensory information being interpreted from previous experiences
c) not being able to track the movement of a basketball
d) photoreceptors detecting photons
a) the retina translating photons into action potentials
Which fiber conduct information for the first initial sharp pain when you step on a pushpin?
a) a delta fibers
b) slow twitch fibers
c) c fibers
d) fast twitch fibers
a) a delta fibers
If a person is able to see and recognize an object but cannot tell what color it is, what part of the visual system is most likely damaged?
a) the lateral geniculate nucleus
b) ganglion cells
c) photoreceptors
d) secondary visual cortex
c) photoreceptors
If someone had damage to their ventral stream, which of the following symptoms would they most likely experience?
a) impairment of tracking the frisbee as it flies through the air
b) not being able to recognize the faces of people you have never met
c) impairment in reaching for a pen on the desk
d) inability to recognize the stuffed animal you have had since you were 4
d) inability to recognize the stuffed animal you have had since you were 4
a) touch & olfactory
b) photons & photoreceptors
c) odorants & somatosensory
d) pressure & gustatory
b) photons & photoreceptors
Which of the following human body parts has the smallest representation in the somatosensory cortex?
a) hands
b) lips
c) face
d) hip
d) hip
Which of the following is not a mechanism of the visual pathway to handle the range of light intensities?
a) ganglion cells converge to make the optic nerve
b) pupil contracts
c) photoreceptor accomodation
d) different types of visual receptors handle different intensities
a) ganglion cells converge to make the optic nerve
Which of the following parts of the visual pathway would be damaged if someone had difficulty recognizing the faces of familiar people?
a) retina
b) dorsal stream
c) ventral stream
d) lateral geniculate nucleus
c) ventral stream