Chapter 47: Somatic Sensations: I. General Organization, the Tactile and Position Senses

Chapter 47: Somatic Sensations: I. General Organization, the Tactile and Position Senses

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

Choose the best answer.

1. For a sensory nerve fiber that is connected to a Pacinian corpuscle located on the palmer surface of the right hand, the synaptic connection with the next neuron in the appropriate sensory pathway is located in:
2. The right dorsal column nucleus
3. The left dorsal column nucleus
4. The dorsal horn of the right side of the spinal cord
5. The dorsal horn of the left side of the spinal cord

ANS: A

2. For a sensory nerve fiber that is connected to a free nerve ending located on the left hand, the synaptic connection with the next neuron in the appropriate sensory pathway is located in:
3. The right dorsal column nucleus
4. The dorsal horn of the right side of the spinal cord
5. The left dorsal column nucleus
6. The dorsal horn of the left side of the spinal cord

ANS: B

3. The second neuron in the appropriate sensory pathway that connects a Meissner’s corpuscle in the left palm to the somatosensory cortex travels in the:
4. The contralateral lateral lemniscus
5. The ipsilateral anterolateral column
6. The ipsilateral medial lemniscus
7. The contralateral medial lemniscus

ANS: D

4. The second neuron in the appropriate sensory pathway that connects a free nerve ending in the left thumb to the somatosensory cortex travels in the:
5. The ipsilateral anterolateral column
6. The ipsilateral medial lemniscus
7. The contralateral anterolateral column
8. The contralateral medial lemniscus

ANS: C