Podcast
Questions and Answers
Which of the following is a possible reason why hitting your thumb with a hammer may cause you to scream or cry in agony?
Which of the following is a possible reason why hitting your thumb with a hammer may cause you to scream or cry in agony?
- Activation of the insula and cingulate cortex (correct)
- Activation of Aβ-fibres in the dorsal horn
- Activation of the hippocampus and amygdala
- Activation of interneurons in the somatosensory cortex
What is the mechanism behind rubbing the area reducing pain after hitting your thumb with a hammer?
What is the mechanism behind rubbing the area reducing pain after hitting your thumb with a hammer?
- Activation of Aδ-fibres
- Activation of Aβ-fibres (correct)
- Activation of spinothalamic neurons
- Activation of C-fibres
What symptom are you likely suffering from if taking a hot shower becomes painful after a day of sunbathing?
What symptom are you likely suffering from if taking a hot shower becomes painful after a day of sunbathing?
- Hypothermia
- Hyperalgesia (correct)
- Hypertension
- Hypoesthesia
Which group of ion channels are activated by a hot shower after sunbathing?
Which group of ion channels are activated by a hot shower after sunbathing?
What is the underlying mechanism that causes the pain during a hot shower after sunbathing?
What is the underlying mechanism that causes the pain during a hot shower after sunbathing?
What type of pain are you experiencing if you have shooting pains in your arm and a persistent dull ache after putting your hand through a pane of glass?
What type of pain are you experiencing if you have shooting pains in your arm and a persistent dull ache after putting your hand through a pane of glass?
Which cutaneous nerve endings are activated when light brushing of clothes against your arm causes excruciating pain?
Which cutaneous nerve endings are activated when light brushing of clothes against your arm causes excruciating pain?
What is the mechanism behind feeling excruciating pain when the wind blows against your arm after putting your hand through a pane of glass?
What is the mechanism behind feeling excruciating pain when the wind blows against your arm after putting your hand through a pane of glass?
Which ascending pathways are activated when experiencing pain in response to a non-noxious stimulus?
Which ascending pathways are activated when experiencing pain in response to a non-noxious stimulus?
Which centrally acting medications could be used for treating shooting pains and persistent dull ache after an injury?
Which centrally acting medications could be used for treating shooting pains and persistent dull ache after an injury?
Scenario one Q1. What is the most likely first response when stepping on a nail with your left foot?
Scenario one Q1. What is the most likely first response when stepping on a nail with your left foot?
Scenario one Q2. What type of nerve fibers are triggered by stepping on the nail, and what is the purpose of each response?
Scenario one Q2. What type of nerve fibers are triggered by stepping on the nail, and what is the purpose of each response?
Scenario one Q3. Which spinal pathway would be activated when stepping on the nail, and on which side of the spinal cord would the axons of this pathway run?
Scenario one Q3. Which spinal pathway would be activated when stepping on the nail, and on which side of the spinal cord would the axons of this pathway run?
Scenario one Q4. What is the purpose of the second order neurons in the spinothalamic tract?
Scenario one Q4. What is the purpose of the second order neurons in the spinothalamic tract?
What is the purpose of the withdrawal reflex when stepping on a nail?
What is the purpose of the withdrawal reflex when stepping on a nail?
Which nerve fibers enable precise localization of pain when stepping on a nail?
Which nerve fibers enable precise localization of pain when stepping on a nail?
Which side of the spinal cord do the axons of the spinothalamic tract run when stepping on a nail with the left foot?
Which side of the spinal cord do the axons of the spinothalamic tract run when stepping on a nail with the left foot?
What is the role of the spinothalamic tract in the perception of pain?
What is the role of the spinothalamic tract in the perception of pain?
What is the purpose of the second order neurons in the spinothalamic tract?
What is the purpose of the second order neurons in the spinothalamic tract?
What type of pain sensation is associated with the activation of C-fibers?
What type of pain sensation is associated with the activation of C-fibers?
Q1. What is the likely cause of spontaneous pain in scenario four?
Q1. What is the likely cause of spontaneous pain in scenario four?
Q2. What mechanism allows the individual in scenario five to carry on running despite the pain?
Q2. What mechanism allows the individual in scenario five to carry on running despite the pain?
Q3. What medication would be initially used to treat the pain in the calf muscles after the race in scenario five?
Q3. What medication would be initially used to treat the pain in the calf muscles after the race in scenario five?
Q4. How do non-steroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen and aspirin work?
Q4. How do non-steroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen and aspirin work?
Q5. What is the likely cause of the pain in the leg during the race in scenario five?
Q5. What is the likely cause of the pain in the leg during the race in scenario five?
Q6. Which medications could be used if non-steroidal anti-inflammatory drugs (NSAIDs) are ineffective for treating the pain in the calf muscles after the race in scenario five?
Q6. Which medications could be used if non-steroidal anti-inflammatory drugs (NSAIDs) are ineffective for treating the pain in the calf muscles after the race in scenario five?
Q7. How do opioids such as tramadol or codeine work to relieve pain?
Q7. How do opioids such as tramadol or codeine work to relieve pain?
Q8. What is the likely cause of the spontaneous pain in the muscles of the left arm in scenario four?
Q8. What is the likely cause of the spontaneous pain in the muscles of the left arm in scenario four?
Q9. Which medications could be used to treat spontaneous pain in the left arm in scenario four?
Q9. Which medications could be used to treat spontaneous pain in the left arm in scenario four?
Q10. How do amitriptyline or duloxetine work to relieve pain?
Q10. How do amitriptyline or duloxetine work to relieve pain?