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Quiz von Jennifer Gay, aktualisiert more than 1 year ago
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Erstellt von Jennifer Gay
vor mehr als 6 Jahre
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Frage 1
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Collections of axons that connect different parts of the cortex within the same hemisphere are called commissural pathways.
Antworten
- True
- False
Frage 2
Frage
Choose the correct order of membranes that cover the surface of the brain and spinal cord, from most superficial to deep
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arachnoid mater, dura mater, pia mater
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dura mater, pia mater, arachnoid mater
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dura mater, arachnoid mater, pia mater
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pia mater, arachnoid mater, dura mater
Frage 3
Frage
[blank_start]Subarachnoid hemorrhage[blank_end] occurs between the arachnoid and pial membranes, typically due to the rupture of an aneurysm
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Subdural hemorrhage
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Subarachnoid hemorrhate
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Epidural hemorrhage
Frage 4
Frage
[blank_start]Hydrocephalus[blank_end] is the result of an obstruction the the flow of cerebral spinal fluid causing enlarged ventricles
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Hydrocephalus
Frage 5
Frage
The cortex is uniform throughout the surface of the brain.
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- True
- False
Frage 6
Frage
The frontal lobe is responsible for: (select all that apply)
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initiation of motor movement
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higher order language functions
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executive function
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planning movement
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processing auditory information
Frage 7
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Each hemisphere of the brain processes sensory information from, and controls motor activity of
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the ipsilateral side
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the contralateral side
Frage 8
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The following are perceived by the somatosensory system (select all that apply)
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pain
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vibration
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smell
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proprioception
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taste
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discriminitive touch
Frage 9
Frage
Pain is felt when [blank_start]free nerve endings[blank_end] are stimulated.
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free nerve endings
Frage 10
Frage
Meissner's corpuscles are receptors that are responsible for discriminative touch.
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- True
- False
Frage 11
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The spinal cord
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is made up of 4 levels: cervical, thoracic, lumbar, and sacral
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Contains 25 nerves
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is comprised of central white matter and peripheral gray matter
Frage 12
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The spinal cord only relays all of the motor information from the brain to the body
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- True
- False
Frage 13
Frage
[blank_start]Motor[blank_end] pathways in the spinal cord are [blank_start]two[blank_end] neuron pathways. [blank_start]Sensory[blank_end] pathways are [blank_start]three[blank_end] neuron pathways.
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two
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Sensory
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Motor
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three
Frage 14
Frage
Which is true about the sensory pathways of the spinal cord
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The dorsal columns are responsible for discriminative touch, vibration, and proprioception and the lateral spinothalamic tracts are responsible for pain and temperature.
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The dorsal columns are responsible for discriminative touch, pain, and proprioception and the lateral spinothalamic tracts are responsible for vibration and touch.
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The dorsal columns are responsible for pain and vibration, and the lateral spinothalamic tracts are responsible for discriminative touch, proprioception and temperature.
Frage 15
Frage
Conscious proprioception receptors are [blank_start]muscle spindles[blank_end], [blank_start]Golgi tendon organs[blank_end], and [blank_start]Pacinian corpuscles[blank_end]
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muscle spindles
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Golgi tendon organs
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Pacinian corpuscles
Frage 16
Frage
The dorsal column pathways is a two-neuron sensory pathway
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- True
- False
Frage 17
Frage
In the dorsal columns, the fasciculus cuneatus is laterally located and the fasciculus gracilis is medially located.
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- True
- False
Frage 18
Frage
When do the central processes of the fibers travel within the fasciculus cuneatus
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T3 and above
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S1 and above
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C6 and above
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T6 and above
Frage 19
Frage
An easy way to remember which pathway travels to the upper and lower extremities is:
[blank_start]cuneAtus[blank_end] - Arm
[blank_start]graciLis[blank_end] - Leg
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cuneAtus
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graciLis
Frage 20
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A lesion of the dorsal columns causes [blank_start]ipsilateral[blank_end] deficits in discriminative touch, vibration, and conscious proprioception.
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ipsilateral
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contralateral
Frage 21
Frage
A lesion involving the ascending sensory information after it has crossed in the brainstem will result in ipsilateral deficits to discriminative touch, vibration, and conscious proprioception
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- True
- False
Frage 22
Frage
Abnormal sensory perception , such as numbness or tingling, is referred to as [blank_start]paresthesias[blank_end].
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paresthesias
Frage 23
Frage
Sharp, localized pain is conveyed by
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unmyelinated C fibers
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Lightly myelinated A-delta fibers
Frage 24
Frage
A lesion of the lateral spinothalamic tract will results in deficits in pain and temperature sensation on the [blank_start]contralateral[blank_end] side of the body below the level of the lesion.
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ipsilateral
-
contralateral
Frage 25
Frage
The thalamus is the sensory relay station for virtually all incoming sensory input heading to the cortex
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- True
- False
Frage 26
Frage
A map of the body along the surface of both the primary motor and somatosensory areas of the cortex is called a [blank_start]homunculus[blank_end].
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homunculus
Frage 27
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On the homunculus, the largest areas (the areas of highest sensory acuity) are:
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the lips
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the face
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the fingertips
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the toes
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the hands
Frage 28
Frage
The function of the eye is to focus photons onto the retina
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- True
- False
Frage 29
Frage
The [blank_start]fovea[blank_end] is the area of highest visual acuity.
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fovea
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macula
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retina
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pupil
Frage 30
Frage
As ambiet light increases, the pupils
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increase in circumference
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decrease in circumference
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undergo no change in circumference
Frage 31
Frage
When looking at objects off in the distance, the lens
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widens
-
narrows
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stays the same
Frage 32
Frage
Rods are sensitive to both light and color.
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- True
- False
Frage 33
Frage
after light hits the photoreceptors of the retina, the information is sent to [blank_start]retinal ganglion cells[blank_end].
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retinal ganglion cells
Frage 34
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Which three interneurons lie between the photoreceptors and the retinal ganglion cells?
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horizontal
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bipolar
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psudounipolar
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amacrine
Frage 35
Frage
What is the function or horizontal and amacrine cells?
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to receive information from the photo receptors and transmit the information onto retinal ganglion cells
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to sharpen or focus the connections between the photoreceptors, bipolar cells, and retinal ganglion cells
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to project the information to a number of nuclei in the brain
Frage 36
Frage
What is the lateral geniculate nucleus?
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the nucleus that projects axons to the occipital cortex
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the nucleus that relays information to the primary visual cortex
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the specific nucleus in the thalamus that receives information from the retinal ganglion cells
Frage 37
Frage
The [blank_start]left LGN[blank_end] receives visual input from the right visual field, and the [blank_start]right LGN[blank_end] receives visual input from the left visual field.
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left LGN
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right LGN
Frage 38
Frage
A lesion involving the LGN or occipital cortex on the right will result in
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loss of vision in the left eye
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loss of vision in the left visual field of both eyes
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loss of vision in the right eye
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loss of vision in the right visual field of both eyes
Frage 39
Frage
The retinal ganglion cells in the fovea send information about contour, contrast, edges, form, and color
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- True
- False
Frage 40
Frage
Rods, or the retinal ganglion cells in the periphery of the retina, send information about light only.
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- True
- False
Frage 41
Frage
A lesion involving the optic nerve results in loss of vision of [blank_start]one eye[blank_end].
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one eye
Frage 42
Frage
What is visual agnosia?
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lack of insight
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inability to form normal visual percepts
Frage 43
Frage
[blank_start]Prosopagnosia[blank_end] is the inability to identify faces as a result of a lesion in the temporal lobe.
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Asterognosia
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Prosopagnosia
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Anosognosia
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