OSMT (Ontario Society of Medical Technologists) Practice Exam

Question: 1 / 400

The spinal nerve root that is made of sensory neurons is the:

a. Internal root

b. External root

c. Ventral root

d. Dorsal root

The correct answer is the dorsal root. The dorsal root of the spinal nerve is made up of sensory neurons, primarily responsible for carrying sensory information such as touch, temperature, and pain from the peripheral sensory organs to the central nervous system (spinal cord). In contrast, the ventral root contains motor neurons responsible for carrying motor signals from the central nervous system to the muscles and glands. The internal and external roots are not standard terminologies used to describe spinal nerve roots in this context.

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