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Somatic Sensations and Anterolateral Pathway Quiz

10 Questions

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Somatic Sensations and Anterolateral Pathway Quiz

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Questions and Answers

Where are the cell bodies of first-order neurons located?

Dorsal root ganglia (correct)

Ventral root ganglia

Cerebellum

Spinal cord white matter

What type of information does the dorsal column pathway transmit?

Motor signals

Visual information

Pain, temperature, itch, and crude touch

Pressure, fine touch, vibration, and proprioception (correct)

Where do second-order neurons synapse after receiving signals from first-order neurons?

Ipsilateral dorsal horn or medulla (correct)

Contralateral dorsal horn or medulla

Cerebellum

Thalamus

What type of information does the anterolateral pathway transmit?

Pain, temperature, itch, pressure, and crude touch Signup and view all the answers

What is the function of first-order neurons?

Detect sensory information and carry signals from the periphery to the spinal cord Signup and view all the answers

What is the extent of the pharynx?

From the base of the skull down to the 6th cervical vertebra Signup and view all the answers

What is the structure of the pharyngeal wall from inside outwards?

Mucous membrane, fibrous layer, muscular coat Signup and view all the answers

What is the special feature of the nasopharynx?

Pharyngeal opening of the Eustachian tube Signup and view all the answers

What is produced by the cartilage of the Eustachian tube in the nasopharynx?

Tubal elevation Signup and view all the answers

What muscle produces the salpingeo-pharyngeal fold in the nasopharynx?

Salpingeo-pharyngeus muscle Signup and view all the answers