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

Introduction to Reflex Arcs

Anatomy & Physiology

13. The Peripheral Nervous System

Introduction to Reflex Arcs

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Multiple Choice

Which of the following is a characteristic of somatic reflexes rather than autonomic reflexes?

They control smooth muscle and glands.

They are generally not consciously perceived.

They regulate heart rate and digestion.

They involve skeletal muscle as the effector.

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Verified step by step guidance

Understand the difference between somatic and autonomic reflexes: Somatic reflexes involve voluntary control and skeletal muscles as effectors, while autonomic reflexes regulate involuntary functions such as heart rate, digestion, and smooth muscle or gland activity.

Identify the effector type: Somatic reflexes specifically involve skeletal muscles as the effector, which are under voluntary control, whereas autonomic reflexes involve smooth muscles, cardiac muscles, or glands.

Analyze the options provided: The first three options describe characteristics of autonomic reflexes, such as controlling smooth muscle and glands, being generally not consciously perceived, and regulating heart rate and digestion.

Focus on the correct characteristic: The last option, 'They involve skeletal muscle as the effector,' is the defining feature of somatic reflexes, distinguishing them from autonomic reflexes.

Conclude the reasoning: Based on the definitions and characteristics, somatic reflexes are characterized by their involvement of skeletal muscles as the effector, making this the correct answer.