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Intro to Nervous System/Sensory System

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- Neuro (Midterm ) Quiz sobre Intro to Nervous System/Sensory System, criado por Jennifer Gay em 13-02-2018.
Jennifer Gay
Quiz por Jennifer Gay, atualizado more than 1 year ago
Jennifer Gay
Criado por Jennifer Gay mais de 6 anos atrás
18
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Resumo de Recurso

Questão 1

Questão
Collections of axons that connect different parts of the cortex within the same hemisphere are called commissural pathways.
Responda
  • True
  • False

Questão 2

Questão
Choose the correct order of membranes that cover the surface of the brain and spinal cord, from most superficial to deep
Responda
  • arachnoid mater, dura mater, pia mater
  • dura mater, pia mater, arachnoid mater
  • dura mater, arachnoid mater, pia mater
  • pia mater, arachnoid mater, dura mater

Questão 3

Questão
[blank_start]Subarachnoid hemorrhage[blank_end] occurs between the arachnoid and pial membranes, typically due to the rupture of an aneurysm
Responda
  • Subdural hemorrhage
  • Subarachnoid hemorrhate
  • Epidural hemorrhage

Questão 4

Questão
[blank_start]Hydrocephalus[blank_end] is the result of an obstruction the the flow of cerebral spinal fluid causing enlarged ventricles
Responda
  • Hydrocephalus

Questão 5

Questão
The cortex is uniform throughout the surface of the brain.
Responda
  • True
  • False

Questão 6

Questão
The frontal lobe is responsible for: (select all that apply)
Responda
  • initiation of motor movement
  • higher order language functions
  • executive function
  • planning movement
  • processing auditory information

Questão 7

Questão
Each hemisphere of the brain processes sensory information from, and controls motor activity of
Responda
  • the ipsilateral side
  • the contralateral side

Questão 8

Questão
The following are perceived by the somatosensory system (select all that apply)
Responda
  • pain
  • vibration
  • smell
  • proprioception
  • taste
  • discriminitive touch

Questão 9

Questão
Pain is felt when [blank_start]free nerve endings[blank_end] are stimulated.
Responda
  • free nerve endings

Questão 10

Questão
Meissner's corpuscles are receptors that are responsible for discriminative touch.
Responda
  • True
  • False

Questão 11

Questão
The spinal cord
Responda
  • is made up of 4 levels: cervical, thoracic, lumbar, and sacral
  • Contains 25 nerves
  • is comprised of central white matter and peripheral gray matter

Questão 12

Questão
The spinal cord only relays all of the motor information from the brain to the body
Responda
  • True
  • False

Questão 13

Questão
[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.
Responda
  • two
  • Sensory
  • Motor
  • three

Questão 14

Questão
Which is true about the sensory pathways of the spinal cord
Responda
  • The dorsal columns are responsible for discriminative touch, vibration, and proprioception and the lateral spinothalamic tracts are responsible for pain and temperature.
  • The dorsal columns are responsible for discriminative touch, pain, and proprioception and the lateral spinothalamic tracts are responsible for vibration and touch.
  • The dorsal columns are responsible for pain and vibration, and the lateral spinothalamic tracts are responsible for discriminative touch, proprioception and temperature.

Questão 15

Questão
Conscious proprioception receptors are [blank_start]muscle spindles[blank_end], [blank_start]Golgi tendon organs[blank_end], and [blank_start]Pacinian corpuscles[blank_end]
Responda
  • muscle spindles
  • Golgi tendon organs
  • Pacinian corpuscles

Questão 16

Questão
The dorsal column pathways is a two-neuron sensory pathway
Responda
  • True
  • False

Questão 17

Questão
In the dorsal columns, the fasciculus cuneatus is laterally located and the fasciculus gracilis is medially located.
Responda
  • True
  • False

Questão 18

Questão
When do the central processes of the fibers travel within the fasciculus cuneatus
Responda
  • T3 and above
  • S1 and above
  • C6 and above
  • T6 and above

Questão 19

Questão
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
Responda
  • cuneAtus
  • graciLis

Questão 20

Questão
A lesion of the dorsal columns causes [blank_start]ipsilateral[blank_end] deficits in discriminative touch, vibration, and conscious proprioception.
Responda
  • ipsilateral
  • contralateral

Questão 21

Questão
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
Responda
  • True
  • False

Questão 22

Questão
Abnormal sensory perception , such as numbness or tingling, is referred to as [blank_start]paresthesias[blank_end].
Responda
  • paresthesias

Questão 23

Questão
Sharp, localized pain is conveyed by
Responda
  • unmyelinated C fibers
  • Lightly myelinated A-delta fibers

Questão 24

Questão
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.
Responda
  • ipsilateral
  • contralateral

Questão 25

Questão
The thalamus is the sensory relay station for virtually all incoming sensory input heading to the cortex
Responda
  • True
  • False

Questão 26

Questão
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].
Responda
  • homunculus

Questão 27

Questão
On the homunculus, the largest areas (the areas of highest sensory acuity) are:
Responda
  • the lips
  • the face
  • the fingertips
  • the toes
  • the hands

Questão 28

Questão
The function of the eye is to focus photons onto the retina
Responda
  • True
  • False

Questão 29

Questão
The [blank_start]fovea[blank_end] is the area of highest visual acuity.
Responda
  • fovea
  • macula
  • retina
  • pupil

Questão 30

Questão
As ambiet light increases, the pupils
Responda
  • increase in circumference
  • decrease in circumference
  • undergo no change in circumference

Questão 31

Questão
When looking at objects off in the distance, the lens
Responda
  • widens
  • narrows
  • stays the same

Questão 32

Questão
Rods are sensitive to both light and color.
Responda
  • True
  • False

Questão 33

Questão
after light hits the photoreceptors of the retina, the information is sent to [blank_start]retinal ganglion cells[blank_end].
Responda
  • retinal ganglion cells

Questão 34

Questão
Which three interneurons lie between the photoreceptors and the retinal ganglion cells?
Responda
  • horizontal
  • bipolar
  • psudounipolar
  • amacrine

Questão 35

Questão
What is the function or horizontal and amacrine cells?
Responda
  • to receive information from the photo receptors and transmit the information onto retinal ganglion cells
  • to sharpen or focus the connections between the photoreceptors, bipolar cells, and retinal ganglion cells
  • to project the information to a number of nuclei in the brain

Questão 36

Questão
What is the lateral geniculate nucleus?
Responda
  • the nucleus that projects axons to the occipital cortex
  • the nucleus that relays information to the primary visual cortex
  • the specific nucleus in the thalamus that receives information from the retinal ganglion cells

Questão 37

Questão
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.
Responda
  • left LGN
  • right LGN

Questão 38

Questão
A lesion involving the LGN or occipital cortex on the right will result in
Responda
  • loss of vision in the left eye
  • loss of vision in the left visual field of both eyes
  • loss of vision in the right eye
  • loss of vision in the right visual field of both eyes

Questão 39

Questão
The retinal ganglion cells in the fovea send information about contour, contrast, edges, form, and color
Responda
  • True
  • False

Questão 40

Questão
Rods, or the retinal ganglion cells in the periphery of the retina, send information about light only.
Responda
  • True
  • False

Questão 41

Questão
A lesion involving the optic nerve results in loss of vision of [blank_start]one eye[blank_end].
Responda
  • one eye

Questão 42

Questão
What is visual agnosia?
Responda
  • lack of insight
  • inability to form normal visual percepts

Questão 43

Questão
[blank_start]Prosopagnosia[blank_end] is the inability to identify faces as a result of a lesion in the temporal lobe.
Responda
  • Asterognosia
  • Prosopagnosia
  • Anosognosia

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