Podcast
Questions and Answers
According to the text, what is the definition of pain?
According to the text, what is the definition of pain?
- A pleasant sensory experience
- A reflex triggered by touching something hot
- An unpleasant sensory experience associated with injuring tissues (correct)
- A signal that goes into the somatosensory cortex
What is the purpose of feeling pain, according to the text?
What is the purpose of feeling pain, according to the text?
- To warn us of harmful situations (correct)
- To trigger a reflex response
- To prevent injury
- To provide a pleasant sensory experience
What can happen to individuals who cannot feel pain?
What can happen to individuals who cannot feel pain?
- They experience more intense pain
- They have a mutation in a sodium channel associated with motion sensors (correct)
- They have a longer lifespan
- They have a higher pain tolerance
Which region of the spinal cord is known as the substantial gelatinous?
Which region of the spinal cord is known as the substantial gelatinous?
What are the layers one and two of the spinal cord's grey matter called?
What are the layers one and two of the spinal cord's grey matter called?
Which neurotransmitters are released when the second order neurons in the dorsal horn are activated?
Which neurotransmitters are released when the second order neurons in the dorsal horn are activated?
What can activate motion sensors?
What can activate motion sensors?
What are the peripheral transduction mechanisms?
What are the peripheral transduction mechanisms?
Which ion channel responds to very hot temperatures?
Which ion channel responds to very hot temperatures?
What chemical activates the V one receptor and makes curries feel hot?
What chemical activates the V one receptor and makes curries feel hot?
Which of the following can directly activate motion sensors and switch on the pain pathway?
Which of the following can directly activate motion sensors and switch on the pain pathway?
What term is used to describe a painful response that is exaggerated compared to the stimulus?
What term is used to describe a painful response that is exaggerated compared to the stimulus?
What term is used to describe a stimulus that is not painful but produces a painful response?
What term is used to describe a stimulus that is not painful but produces a painful response?
What is the main cause of neurogenic inflammation?
What is the main cause of neurogenic inflammation?
Which nerve fibers respond predominantly to light touch?
Which nerve fibers respond predominantly to light touch?
What type of nerve fibers are responsible for a sharp pricking sensation when activated?
What type of nerve fibers are responsible for a sharp pricking sensation when activated?
Which type of nerve fibers are responsible for a slow, dull ache when activated?
Which type of nerve fibers are responsible for a slow, dull ache when activated?
Which type of nerve fibers are poorly localized and innovating the organs of the body?
Which type of nerve fibers are poorly localized and innovating the organs of the body?
What are the two main types of pain classified in the text?
What are the two main types of pain classified in the text?
What are the characteristics of alpha and beta nerve fibers mentioned in the text?
What are the characteristics of alpha and beta nerve fibers mentioned in the text?
What is the average conduction speed of C fibers mentioned in the text?
What is the average conduction speed of C fibers mentioned in the text?
What is the relationship between itch and pain pathways mentioned in the text?
What is the relationship between itch and pain pathways mentioned in the text?
What is peripheral sensitisation triggered by?
What is peripheral sensitisation triggered by?
What is the major mechanism in neuropathic pain?
What is the major mechanism in neuropathic pain?
What is the purpose of hyperalgesia or hypersensitivity?
What is the purpose of hyperalgesia or hypersensitivity?
What causes an exaggerated pain response in peripheral sensitisation?
What causes an exaggerated pain response in peripheral sensitisation?
What is the average conduction speed of A delta fibers mentioned in the text?
What is the average conduction speed of A delta fibers mentioned in the text?
What is the purpose of itch, according to the text?
What is the purpose of itch, according to the text?
What are the two main types of pain classified in the text?
What are the two main types of pain classified in the text?
What is the major mechanism in peripheral sensitization, according to the text?
What is the major mechanism in peripheral sensitization, according to the text?
What is the term used to describe a painful response that is exaggerated compared to the stimulus?
What is the term used to describe a painful response that is exaggerated compared to the stimulus?
What chemical can directly activate motion sensors and switch on the pain pathway?
What chemical can directly activate motion sensors and switch on the pain pathway?
What is the major cause of neurogenic inflammation?
What is the major cause of neurogenic inflammation?
What is the purpose of hyperalgesia or hypersensitivity?
What is the purpose of hyperalgesia or hypersensitivity?
What type of nerve fibers are responsible for a sharp pricking sensation when activated?
What type of nerve fibers are responsible for a sharp pricking sensation when activated?
What is the purpose of feeling pain, according to the text?
What is the purpose of feeling pain, according to the text?
Which region of the spinal cord is known as the substantial gelatinous?
Which region of the spinal cord is known as the substantial gelatinous?
What are the two main types of pain classified in the text?
What are the two main types of pain classified in the text?
According to the text, what is the purpose of feeling pain?
According to the text, what is the purpose of feeling pain?
What is the relationship between itch and pain pathways mentioned in the text?
What is the relationship between itch and pain pathways mentioned in the text?
What can happen to individuals who cannot feel pain, according to the text?
What can happen to individuals who cannot feel pain, according to the text?
What is the major mechanism in neuropathic pain, as mentioned in the text?
What is the major mechanism in neuropathic pain, as mentioned in the text?
What type of ion channels respond to acids and are also mechanically responsive?
What type of ion channels respond to acids and are also mechanically responsive?
Which channel responds to very hot temperatures and is also activated by capsaicin?
Which channel responds to very hot temperatures and is also activated by capsaicin?
What is the purpose of the transient receptor potential (TRP) family of channels?
What is the purpose of the transient receptor potential (TRP) family of channels?
What is the main characteristic of poly modal CE fiber nociceptors?
What is the main characteristic of poly modal CE fiber nociceptors?
Which type of pain is associated with peripheral sensitisation?
Which type of pain is associated with peripheral sensitisation?
What are the two major mechanisms of pain hypersensitivity mentioned in the text?
What are the two major mechanisms of pain hypersensitivity mentioned in the text?
What is the purpose of hyperalgesia or hypersensitivity, according to the text?
What is the purpose of hyperalgesia or hypersensitivity, according to the text?
What is the main cause of peripheral sensitisation?
What is the main cause of peripheral sensitisation?
Which region of the spinal cord is responsible for the activation of second order neurons in the dorsal horn?
Which region of the spinal cord is responsible for the activation of second order neurons in the dorsal horn?
What is the function of the lamina in the grey matter of the spinal cord?
What is the function of the lamina in the grey matter of the spinal cord?
Which neurotransmitters are released when the second order neurons in the dorsal horn are activated?
Which neurotransmitters are released when the second order neurons in the dorsal horn are activated?
What is the role of the second order neurons in the pain pathway?
What is the role of the second order neurons in the pain pathway?
What is the average conduction speed of C fibers mentioned in the text?
What is the average conduction speed of C fibers mentioned in the text?
What is the purpose of hyperalgesia or hypersensitivity?
What is the purpose of hyperalgesia or hypersensitivity?
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