Podcast
Questions and Answers
Which type of nerve fiber is responsible for transmitting the hot sensation?
Which type of nerve fiber is responsible for transmitting the hot sensation?
- A delta fiber
- C fiber (correct)
- Both A delta and C fibers
- None of the above
What is the main difference between the adaptation rate of cold and hot sensations?
What is the main difference between the adaptation rate of cold and hot sensations?
- Hot sensation adapts faster than cold sensation (correct)
- Cold sensation adapts faster than hot sensation
- Both cold and hot sensations have the same adaptation rate
- Cold sensation does not adapt at all, while hot sensation adapts moderately
Which tract is responsible for transmitting the crude-touch sensation?
Which tract is responsible for transmitting the crude-touch sensation?
- Both lateral and ventral spinothalamic tracts
- Neither lateral nor ventral spinothalamic tracts
- Ventral spinothalamic tract (correct)
- Lateral spinothalamic tract
Which receptor is responsible for the hair-end organ component of crude-touch sensation?
Which receptor is responsible for the hair-end organ component of crude-touch sensation?
What is the main difference in the adaptation rate between the hair end organ and free nerve endings for crude-touch sensation?
What is the main difference in the adaptation rate between the hair end organ and free nerve endings for crude-touch sensation?
What is the main purpose of touching the subject's skin with test tubes containing cold water at 15°C and hot water at 40°C?
What is the main purpose of touching the subject's skin with test tubes containing cold water at 15°C and hot water at 40°C?
What is the receptor involved in point localization and tactile discrimination?
What is the receptor involved in point localization and tactile discrimination?
Which type of nerve fiber afferent is responsible for fine touch sensation?
Which type of nerve fiber afferent is responsible for fine touch sensation?
Which part of the nervous system is responsible for processing tactile localization information?
Which part of the nervous system is responsible for processing tactile localization information?
How is point localization tested?
How is point localization tested?
Which test assesses the ability to feel two separate points simultaneously on the skin?
Which test assesses the ability to feel two separate points simultaneously on the skin?
Which body parts are mentioned as having more accurate tactile localization and discrimination?
Which body parts are mentioned as having more accurate tactile localization and discrimination?
Which tract is responsible for transmitting fine touch, vibration, and proprioceptive sensations?
Which tract is responsible for transmitting fine touch, vibration, and proprioceptive sensations?
Which condition can cause degeneration and demyelination of the dorsal column tract, leading to sensory deficits?
Which condition can cause degeneration and demyelination of the dorsal column tract, leading to sensory deficits?
Which condition is characterized by degeneration of myelinated fibers in the dorsal column, resulting in loss of proprioception, vibration, and tactile discrimination?
Which condition is characterized by degeneration of myelinated fibers in the dorsal column, resulting in loss of proprioception, vibration, and tactile discrimination?
Which syndrome is characterized by a hemisection of the spinal cord, resulting in a specific pattern of sensory and motor deficits?
Which syndrome is characterized by a hemisection of the spinal cord, resulting in a specific pattern of sensory and motor deficits?
Which anatomical structure's lesion can lead to loss of all sensations on the contralateral side of the body?
Which anatomical structure's lesion can lead to loss of all sensations on the contralateral side of the body?
Which brain region's lesion can result in loss of sensations at the representative area on the contralateral side of the body?
Which brain region's lesion can result in loss of sensations at the representative area on the contralateral side of the body?