Jennifer Gay
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- Neuro (Midterm ) Quiz on Intro to Nervous System/Sensory System, created by Jennifer Gay on 13/02/2018.

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Jennifer Gay
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Intro to Nervous System/Sensory System

Question 1 of 43

1

Collections of axons that connect different parts of the cortex within the same hemisphere are called commissural pathways.

Select one of the following:

  • True
  • False

Explanation

Question 2 of 43

1

Choose the correct order of membranes that cover the surface of the brain and spinal cord, from most superficial to deep

Select one of the following:

  • arachnoid mater, dura mater, pia mater

  • dura mater, pia mater, arachnoid mater

  • dura mater, arachnoid mater, pia mater

  • pia mater, arachnoid mater, dura mater

Explanation

Question 3 of 43

1

Select from the dropdown list to complete the text.

( Subdural hemorrhage, Subarachnoid hemorrhate, Epidural hemorrhage ) occurs between the arachnoid and pial membranes, typically due to the rupture of an aneurysm

Explanation

Question 4 of 43

1

Fill the blank space to complete the text.

is the result of an obstruction the the flow of cerebral spinal fluid causing enlarged ventricles

Explanation

Question 5 of 43

1

The cortex is uniform throughout the surface of the brain.

Select one of the following:

  • True
  • False

Explanation

Question 6 of 43

1

The frontal lobe is responsible for: (select all that apply)

Select one or more of the following:

  • initiation of motor movement

  • higher order language functions

  • executive function

  • planning movement

  • processing auditory information

Explanation

Question 7 of 43

1

Each hemisphere of the brain processes sensory information from, and controls motor activity of

Select one of the following:

  • the ipsilateral side

  • the contralateral side

Explanation

Question 8 of 43

1

The following are perceived by the somatosensory system (select all that apply)

Select one or more of the following:

  • pain

  • vibration

  • smell

  • proprioception

  • taste

  • discriminitive touch

Explanation

Question 9 of 43

1

Fill the blank space to complete the text.

Pain is felt when are stimulated.

Explanation

Question 10 of 43

1

Meissner's corpuscles are receptors that are responsible for discriminative touch.

Select one of the following:

  • True
  • False

Explanation

Question 11 of 43

1

The spinal cord

Select one of the following:

  • is made up of 4 levels: cervical, thoracic, lumbar, and sacral

  • Contains 25 nerves

  • is comprised of central white matter and peripheral gray matter

Explanation

Question 12 of 43

1

The spinal cord only relays all of the motor information from the brain to the body

Select one of the following:

  • True
  • False

Explanation

Question 13 of 43

1

pathways in the spinal cord are neuron pathways. pathways are neuron pathways.

Drag and drop to complete the text.

    two
    Sensory
    Motor
    three

Explanation

Question 14 of 43

1

Which is true about the sensory pathways of the spinal cord

Select one of the following:

  • 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.

Explanation

Question 15 of 43

1

Fill the blank spaces to complete the text.

Conscious proprioception receptors are , , and

Explanation

Question 16 of 43

1

The dorsal column pathways is a two-neuron sensory pathway

Select one of the following:

  • True
  • False

Explanation

Question 17 of 43

1

In the dorsal columns, the fasciculus cuneatus is laterally located and the fasciculus gracilis is medially located.

Select one of the following:

  • True
  • False

Explanation

Question 18 of 43

1

When do the central processes of the fibers travel within the fasciculus cuneatus

Select one of the following:

  • T3 and above

  • S1 and above

  • C6 and above

  • T6 and above

Explanation

Question 19 of 43

1

Fill the blank spaces to complete the text.

An easy way to remember which pathway travels to the upper and lower extremities is:
- Arm
- Leg

Explanation

Question 20 of 43

1

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A lesion of the dorsal columns causes ( ipsilateral, contralateral ) deficits in discriminative touch, vibration, and conscious proprioception.

Explanation

Question 21 of 43

1

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

Select one of the following:

  • True
  • False

Explanation

Question 22 of 43

1

Fill the blank space to complete the text.

Abnormal sensory perception , such as numbness or tingling, is referred to as .

Explanation

Question 23 of 43

1

Sharp, localized pain is conveyed by

Select one of the following:

  • unmyelinated C fibers

  • Lightly myelinated A-delta fibers

Explanation

Question 24 of 43

1

Select from the dropdown list to complete the text.

A lesion of the lateral spinothalamic tract will results in deficits in pain and temperature sensation on the ( ipsilateral, contralateral ) side of the body below the level of the lesion.

Explanation

Question 25 of 43

1

The thalamus is the sensory relay station for virtually all incoming sensory input heading to the cortex

Select one of the following:

  • True
  • False

Explanation

Question 26 of 43

1

Fill the blank space to complete the text.

A map of the body along the surface of both the primary motor and somatosensory areas of the cortex is called a .

Explanation

Question 27 of 43

1

On the homunculus, the largest areas (the areas of highest sensory acuity) are:

Select one or more of the following:

  • the lips

  • the face

  • the fingertips

  • the toes

  • the hands

Explanation

Question 28 of 43

1

The function of the eye is to focus photons onto the retina

Select one of the following:

  • True
  • False

Explanation

Question 29 of 43

1

Select from the dropdown list to complete the text.

The ( fovea, macula, retina, pupil ) is the area of highest visual acuity.

Explanation

Question 30 of 43

1

As ambiet light increases, the pupils

Select one of the following:

  • increase in circumference

  • decrease in circumference

  • undergo no change in circumference

Explanation

Question 31 of 43

1

When looking at objects off in the distance, the lens

Select one of the following:

  • widens

  • narrows

  • stays the same

Explanation

Question 32 of 43

1

Rods are sensitive to both light and color.

Select one of the following:

  • True
  • False

Explanation

Question 33 of 43

1

Fill the blank space to complete the text.

after light hits the photoreceptors of the retina, the information is sent to .

Explanation

Question 34 of 43

1

Which three interneurons lie between the photoreceptors and the retinal ganglion cells?

Select one or more of the following:

  • horizontal

  • bipolar

  • psudounipolar

  • amacrine

Explanation

Question 35 of 43

1

What is the function or horizontal and amacrine cells?

Select one of the following:

  • 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

Explanation

Question 36 of 43

1

What is the lateral geniculate nucleus?

Select one of the following:

  • 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

Explanation

Question 37 of 43

1

The receives visual input from the right visual field, and the receives visual input from the left visual field.

Drag and drop to complete the text.

    left LGN
    right LGN

Explanation

Question 38 of 43

1

A lesion involving the LGN or occipital cortex on the right will result in

Select one of the following:

  • 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

Explanation

Question 39 of 43

1

The retinal ganglion cells in the fovea send information about contour, contrast, edges, form, and color

Select one of the following:

  • True
  • False

Explanation

Question 40 of 43

1

Rods, or the retinal ganglion cells in the periphery of the retina, send information about light only.

Select one of the following:

  • True
  • False

Explanation

Question 41 of 43

1

Fill the blank space to complete the text.

A lesion involving the optic nerve results in loss of vision of .

Explanation

Question 42 of 43

1

What is visual agnosia?

Select one of the following:

  • lack of insight

  • inability to form normal visual percepts

Explanation

Question 43 of 43

1

Select from the dropdown list to complete the text.

( Asterognosia, Prosopagnosia, Anosognosia ) is the inability to identify faces as a result of a lesion in the temporal lobe.

Explanation

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