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Questions and Answers
Which sensory pathway consists of smaller sensory neurons with unmyelinated or thinly myelinated axons?
Which sensory pathway consists of smaller sensory neurons with unmyelinated or thinly myelinated axons?
- Medulla
- Posterior columns
- Spinothalamic tract (correct)
- Dorsal root ganglia
Where do the peripheral large-fiber projections of the dorsal root ganglia transmit the sensations of vibration, proprioception, kinesthesia, pressure, and fine touch?
Where do the peripheral large-fiber projections of the dorsal root ganglia transmit the sensations of vibration, proprioception, kinesthesia, pressure, and fine touch?
- Medulla
- Thalamus
- Spinothalamic tract
- Posterior columns (correct)
Where do the sensory impulses travel to the sensory cortex of the brain via one of two pathways?
Where do the sensory impulses travel to the sensory cortex of the brain via one of two pathways?
- Posterior root ganglia
- Spinal cord
- Peripheral projections
- Thalamus (correct)
Where do the secondary neurons in the small-fiber spinothalamic tract synapse with secondary neurons?
Where do the secondary neurons in the small-fiber spinothalamic tract synapse with secondary neurons?
What relays impulses from skin, mucous membranes, muscles, tendons, and viscera that travel through peripheral projections into the posterior root ganglia?
What relays impulses from skin, mucous membranes, muscles, tendons, and viscera that travel through peripheral projections into the posterior root ganglia?
Where do the peripheral projections relay impulses into before directing them centrally into the spinal cord?
Where do the peripheral projections relay impulses into before directing them centrally into the spinal cord?
Which type of neuropathy in diabetic patients is associated with sharp, burning, or shooting foot pain?
Which type of neuropathy in diabetic patients is associated with sharp, burning, or shooting foot pain?
At which level do the fibers projecting from the secondary neurons cross to the opposite side?
At which level do the fibers projecting from the secondary neurons cross to the opposite side?
Which area in the thalamus is responsible for perceiving the general quality of sensation (e.g., pain, cold, pleasant, unpleasant)?
Which area in the thalamus is responsible for perceiving the general quality of sensation (e.g., pain, cold, pleasant, unpleasant)?
What type of reflex is associated with the biceps muscle?
What type of reflex is associated with the biceps muscle?
Which sensory neurons send impulses from the thalamus to the sensory cortex of the brain for full perception?
Which sensory neurons send impulses from the thalamus to the sensory cortex of the brain for full perception?
Which type of sensory pathway is responsible for transmitting information related to pain and temperature?
Which type of sensory pathway is responsible for transmitting information related to pain and temperature?
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