Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

13. The Peripheral Nervous System

Organization of Sensory Pathways

Anatomy & Physiology

13. The Peripheral Nervous System

Organization of Sensory Pathways

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Multiple Choice

Neurons in the somatosensory cortex receive somatic sensory information from which of the following?

the spinal cord dorsal horn

the cerebellum

the thalamus

the motor cortex

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Verified step by step guidance

Understand the role of the somatosensory cortex: It is the region of the brain responsible for processing sensory information such as touch, pressure, pain, and temperature from the body.

Identify the pathway of somatic sensory information: Sensory signals from the body are transmitted via peripheral nerves to the spinal cord and then relayed to higher brain centers.

Learn the role of the thalamus: The thalamus acts as a relay station for sensory information, receiving input from the spinal cord and other sensory pathways before sending it to the somatosensory cortex for processing.

Clarify why the spinal cord dorsal horn and cerebellum are not directly involved: The spinal cord dorsal horn is where sensory signals first enter the central nervous system, but it does not directly send information to the somatosensory cortex. The cerebellum is primarily involved in motor coordination, not sensory processing.

Understand the relationship between the thalamus and somatosensory cortex: The thalamus filters and organizes sensory information before transmitting it to the somatosensory cortex, making it the correct answer in this context.