Catriona Wilds
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Quiz on Sensory Systems, created by Catriona Wilds on 21/02/2019.

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Catriona Wilds
Created by Catriona Wilds almost 6 years ago
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Sensory Systems

Sensory Systems

Question 1 of 15

1

Which of the following are NOT a component of the somatosenses?

Select one of the following:

  • Free nerve endings in the skin

  • Receptors located within limb joints

  • Hair cells within the cochlea

  • Encapsulated receptors within the skin

Explanation

Question 2 of 15

1

Damage to fibres containing the TRPV1 receptor would be expected to...

Select one of the following:

  • Impair touch sensation

  • Increase the emotional response to a painful stimulus

  • Alter reactivity to high-temperature stimuli

  • Alter reactivity to mechanical stimuli

Explanation

Question 3 of 15

1

After damage to her somatosensory association cortex, Patient E.C. experienced...

Select one of the following:

  • Visual agnosia

  • A difficulty in differentiating objects by texture cues

  • A loss of tactile sensitivity

  • Difficulty in recognizing common objects by touch

Explanation

Question 4 of 15

1

Our reaction to painful stimulation may be modified by...

Select one of the following:

  • Consumption of placebo pill

  • Hypnosis

  • Opiate administration

  • All of the above are correct

Explanation

Question 5 of 15

1

Imaging studies suggest that the unpleasant aspect of pain involves the...

Select one of the following:

  • Temporal cortex

  • Primary somatosensory cortex

  • Amygdala

  • Anterior cingulate cortex

Explanation

Question 6 of 15

1

The process of vaginal stimulation induces analgesia through...

Select one of the following:

  • The release of naloxone from sensory nerve endings

  • Neural inhibition of the spinal cord

  • The production of a hypnotic state

  • Endogenous opiate release

Explanation

Question 7 of 15

1

A person is administered a placebo "pain-relieving" skin cream just before receiving a painful electric shock. Imaging studies suggest that the placebo effect is due to...

Select one of the following:

  • Decreased activity within the prefrontal cortex an periaqueductal gray

  • Decreased activity within the somatosensory cortex

  • Increased activity within the prefrontal cortex and periaqueductal gray

  • Blockade of opiate receptors with the spinal cord

Explanation

Question 8 of 15

1

Cutaneous sensory information from below the head is sent to the brain via...

Select one of the following:

  • Cranial nerves

  • Spinal nerves

  • The blood stream

  • the internal organs

Explanation

Question 9 of 15

1

Sharp pain is conducted by ____ and dull pain is conducted by ____ axons.

Select one of the following:

  • Thinly myelinated; unmyelinated

  • Unmyelinated; thinly myelinated

  • Densely myelinated; thinly myelinated

  • Thinly myelinated; densely myelinated

Explanation

Question 10 of 15

1

If glutamate receptors in the spinal cord were blocked, what would happen to pain sensation?

Select one of the following:

  • Intense pain would feel mild

  • There would be no effect on the sensation of pain

  • Mild to moderate pain would be eliminated

  • Mild to moderate pain would be intensified

Explanation

Question 11 of 15

1

Eisenberger, Lieberman & Williams (2003) found that social rejection increased activity in the...

Select one of the following:

  • Somatosensory cortex

  • The temporal association cortex

  • Dorsal root ganglia

  • Anterior cingulate cortex

Explanation

Question 12 of 15

1

Opiate receptors act by blocking...

Select one of the following:

  • Glutamate release

  • Substance P release

  • Ion channels on dendrites of free nerve endings

  • The generation of a sensory neuron's action potential

Explanation

Question 13 of 15

1

Imagine that a person receives a cut that goes halfway through the spinal cord on the RIGHT side only. What would happen to pain sensation and touch sensation?

Select one of the following:

  • Pain sensation lost on right side; touch sensation lost on left side

  • Pain sensation lost on left side; touch sensation lost on right side

  • Pain and touch sensation lost on left side

  • Pain and touch sensation lost on right side

Explanation

Question 14 of 15

1

Imagine that you are suffering chronic pain from a medical condition that cannot be treated. In order to minimise the long-term emotional response to your pain, you wold choose a modification to your...

Select one of the following:

  • Parietal cortex

  • Primary somatosensory cortex

  • Dorsal lateral thalamus

  • Prefrontal cortex

Explanation

Question 15 of 15

1

Capsaicin is the active ingredient in which type of topical treatment?

Select one of the following:

  • Psoriasis cream

  • Deep freeze gel

  • Deep heat gel

  • Anti-ageing cream

Explanation

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