10 Questions
Where are the cell bodies of first-order neurons located?
Dorsal root ganglia
What type of information does the dorsal column pathway transmit?
Pressure, fine touch, vibration, and proprioception
Where do second-order neurons synapse after receiving signals from first-order neurons?
Ipsilateral dorsal horn or medulla
What type of information does the anterolateral pathway transmit?
Pain, temperature, itch, pressure, and crude touch
What is the function of first-order neurons?
Detect sensory information and carry signals from the periphery to the spinal cord
What is the extent of the pharynx?
From the base of the skull down to the 6th cervical vertebra
What is the structure of the pharyngeal wall from inside outwards?
Mucous membrane, fibrous layer, muscular coat
What is the special feature of the nasopharynx?
Pharyngeal opening of the Eustachian tube
What is produced by the cartilage of the Eustachian tube in the nasopharynx?
Tubal elevation
What muscle produces the salpingeo-pharyngeal fold in the nasopharynx?
Salpingeo-pharyngeus muscle
Test your knowledge of somatic sensations and the anterolateral pathway with this quiz. Learn about how information on pain, temperature, itch, pressure, and crude touch is transmitted, and explore the components and characteristics of somatosensory pathways.
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