12237060
Descripción
Test por Jennifer Gay, actualizado hace más de 1 año
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Creado por Jennifer Gay
hace más de 6 años
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Pregunta 1
Pregunta
Collections of axons that connect different parts of the cortex within the same hemisphere are called commissural pathways.
Respuesta
- True
- False
Pregunta 2
Pregunta
Choose the correct order of membranes that cover the surface of the brain and spinal cord, from most superficial to deep
Respuesta
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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
Pregunta 3
Pregunta
[blank_start]Subarachnoid hemorrhage[blank_end] occurs between the arachnoid and pial membranes, typically due to the rupture of an aneurysm
Respuesta
-
Subdural hemorrhage
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Subarachnoid hemorrhate
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Epidural hemorrhage
Pregunta 4
Pregunta
[blank_start]Hydrocephalus[blank_end] is the result of an obstruction the the flow of cerebral spinal fluid causing enlarged ventricles
Respuesta
-
Hydrocephalus
Pregunta 5
Pregunta
The cortex is uniform throughout the surface of the brain.
Respuesta
- True
- False
Pregunta 6
Pregunta
The frontal lobe is responsible for: (select all that apply)
Respuesta
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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
Pregunta 7
Pregunta
Each hemisphere of the brain processes sensory information from, and controls motor activity of
Respuesta
-
the ipsilateral side
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the contralateral side
Pregunta 8
Pregunta
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
Pregunta 9
Pregunta
Pain is felt when [blank_start]free nerve endings[blank_end] are stimulated.
Respuesta
-
free nerve endings
Pregunta 10
Pregunta
Meissner's corpuscles are receptors that are responsible for discriminative touch.
Respuesta
- True
- False
Pregunta 11
Pregunta
The spinal cord
Respuesta
-
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
Pregunta 12
Pregunta
The spinal cord only relays all of the motor information from the brain to the body
Respuesta
- True
- False
Pregunta 13
Pregunta
[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.
Respuesta
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two
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Sensory
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Motor
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three
Pregunta 14
Pregunta
Which is true about the sensory pathways of the spinal cord
Respuesta
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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.
Pregunta 15
Pregunta
Conscious proprioception receptors are [blank_start]muscle spindles[blank_end], [blank_start]Golgi tendon organs[blank_end], and [blank_start]Pacinian corpuscles[blank_end]
Respuesta
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muscle spindles
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Golgi tendon organs
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Pacinian corpuscles
Pregunta 16
Pregunta
The dorsal column pathways is a two-neuron sensory pathway
Respuesta
- True
- False
Pregunta 17
Pregunta
In the dorsal columns, the fasciculus cuneatus is laterally located and the fasciculus gracilis is medially located.
Respuesta
- True
- False
Pregunta 18
Pregunta
When do the central processes of the fibers travel within the fasciculus cuneatus
Respuesta
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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
Pregunta 19
Pregunta
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
Respuesta
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cuneAtus
-
graciLis
Pregunta 20
Pregunta
A lesion of the dorsal columns causes [blank_start]ipsilateral[blank_end] deficits in discriminative touch, vibration, and conscious proprioception.
Respuesta
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ipsilateral
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contralateral
Pregunta 21
Pregunta
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
Respuesta
- True
- False
Pregunta 22
Pregunta
Abnormal sensory perception , such as numbness or tingling, is referred to as [blank_start]paresthesias[blank_end].
Respuesta
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paresthesias
Pregunta 23
Pregunta
Sharp, localized pain is conveyed by
Respuesta
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unmyelinated C fibers
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Lightly myelinated A-delta fibers
Pregunta 24
Pregunta
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.
Respuesta
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ipsilateral
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contralateral
Pregunta 25
Pregunta
The thalamus is the sensory relay station for virtually all incoming sensory input heading to the cortex
Respuesta
- True
- False
Pregunta 26
Pregunta
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].
Respuesta
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homunculus
Pregunta 27
Pregunta
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
Pregunta 28
Pregunta
The function of the eye is to focus photons onto the retina
Respuesta
- True
- False
Pregunta 29
Pregunta
The [blank_start]fovea[blank_end] is the area of highest visual acuity.
Respuesta
-
fovea
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macula
-
retina
-
pupil
Pregunta 30
Pregunta
As ambiet light increases, the pupils
Respuesta
-
increase in circumference
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decrease in circumference
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undergo no change in circumference
Pregunta 31
Pregunta
When looking at objects off in the distance, the lens
Respuesta
-
widens
-
narrows
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stays the same
Pregunta 32
Pregunta
Rods are sensitive to both light and color.
Respuesta
- True
- False
Pregunta 33
Pregunta
after light hits the photoreceptors of the retina, the information is sent to [blank_start]retinal ganglion cells[blank_end].
Respuesta
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retinal ganglion cells
Pregunta 34
Pregunta
Which three interneurons lie between the photoreceptors and the retinal ganglion cells?
Respuesta
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horizontal
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bipolar
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psudounipolar
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amacrine
Pregunta 35
Pregunta
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
Pregunta 36
Pregunta
What is the lateral geniculate nucleus?
Respuesta
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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
Pregunta 37
Pregunta
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.
Respuesta
-
left LGN
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right LGN
Pregunta 38
Pregunta
A lesion involving the LGN or occipital cortex on the right will result in
Respuesta
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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
Pregunta 39
Pregunta
The retinal ganglion cells in the fovea send information about contour, contrast, edges, form, and color
Respuesta
- True
- False
Pregunta 40
Pregunta
Rods, or the retinal ganglion cells in the periphery of the retina, send information about light only.
Respuesta
- True
- False
Pregunta 41
Pregunta
A lesion involving the optic nerve results in loss of vision of [blank_start]one eye[blank_end].
Respuesta
-
one eye
Pregunta 42
Pregunta
What is visual agnosia?
Respuesta
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lack of insight
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inability to form normal visual percepts
Pregunta 43
Pregunta
[blank_start]Prosopagnosia[blank_end] is the inability to identify faces as a result of a lesion in the temporal lobe.
Respuesta
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Asterognosia
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Prosopagnosia
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Anosognosia
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