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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

4. Tissues & Histology

Nervous Tissue: The Neuron

Anatomy & Physiology

4. Tissues & Histology

Nervous Tissue: The Neuron

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Multiple Choice

Which of the following is the most likely path of an electrical signal travelling through a neuron and arriving at a muscle?

Neuroglia → dendrites → a cell body → axon → muscle.

Dendrites → cell body → axon → muscle.

Dendrites → axon → cell body → muscle.

Axon → cell body → dendrites → muscle.

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Verified step by step guidance

Understand the structure of a neuron: Neurons have dendrites, a cell body (soma), and an axon. Dendrites receive signals, the cell body processes them, and the axon transmits them.

Identify the starting point of the signal: Electrical signals typically begin at the dendrites, which receive input from other neurons or sensory stimuli.

Trace the path through the neuron: After the dendrites, the signal moves to the cell body, where it is integrated and processed.

Follow the signal to the axon: The processed signal is then transmitted down the axon, which is responsible for carrying the signal away from the cell body.

Determine the endpoint: The axon ends at the synapse, where the signal is transferred to the muscle, causing contraction. Therefore, the correct path is dendrites → cell body → axon → muscle.