Which of the following are NOT a component of the somatosenses?
Answer
Free nerve endings in the skin
Receptors located within limb joints
Hair cells within the cochlea
Encapsulated receptors within the skin
Question 2
Question
Damage to fibres containing the TRPV1 receptor would be expected to...
Answer
Impair touch sensation
Increase the emotional response to a painful stimulus
Alter reactivity to high-temperature stimuli
Alter reactivity to mechanical stimuli
Question 3
Question
After damage to her somatosensory association cortex, Patient E.C. experienced...
Answer
Visual agnosia
A difficulty in differentiating objects by texture cues
A loss of tactile sensitivity
Difficulty in recognizing common objects by touch
Question 4
Question
Our reaction to painful stimulation may be modified by...
Answer
Consumption of placebo pill
Hypnosis
Opiate administration
All of the above are correct
Question 5
Question
Imaging studies suggest that the unpleasant aspect of pain involves the...
Answer
Temporal cortex
Primary somatosensory cortex
Amygdala
Anterior cingulate cortex
Question 6
Question
The process of vaginal stimulation induces analgesia through...
Answer
The release of naloxone from sensory nerve endings
Neural inhibition of the spinal cord
The production of a hypnotic state
Endogenous opiate release
Question 7
Question
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...
Answer
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
Question 8
Question
Cutaneous sensory information from below the head is sent to the brain via...
Answer
Cranial nerves
Spinal nerves
The blood stream
the internal organs
Question 9
Question
Sharp pain is conducted by ____ and dull pain is conducted by ____ axons.
Answer
Thinly myelinated; unmyelinated
Unmyelinated; thinly myelinated
Densely myelinated; thinly myelinated
Thinly myelinated; densely myelinated
Question 10
Question
If glutamate receptors in the spinal cord were blocked, what would happen to pain sensation?
Answer
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
Question 11
Question
Eisenberger, Lieberman & Williams (2003) found that social rejection increased activity in the...
Answer
Somatosensory cortex
The temporal association cortex
Dorsal root ganglia
Anterior cingulate cortex
Question 12
Question
Opiate receptors act by blocking...
Answer
Glutamate release
Substance P release
Ion channels on dendrites of free nerve endings
The generation of a sensory neuron's action potential
Question 13
Question
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?
Answer
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
Question 14
Question
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...
Answer
Parietal cortex
Primary somatosensory cortex
Dorsal lateral thalamus
Prefrontal cortex
Question 15
Question
Capsaicin is the active ingredient in which type of topical treatment?