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

1. Introduction to Anatomy & Physiology

Feedback Loops: Negative Feedback

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Feedback Loops: Negative Feedback

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Multiple Choice

Which of the following statements correctly describes a negative feedback mechanism?

It amplifies the original stimulus to accelerate a response.

It causes a system to move further away from its set point.

It is only involved in processes that require rapid change.

It reduces the effect of a stimulus to maintain homeostasis.

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Verified step by step guidance

Understand the concept of negative feedback mechanisms: Negative feedback is a regulatory process in which a system responds to a change by initiating mechanisms that counteract the change, thereby maintaining homeostasis.

Identify the role of negative feedback in maintaining homeostasis: Negative feedback reduces the effect of a stimulus to bring the system back to its set point or equilibrium state.

Compare negative feedback to positive feedback: Positive feedback amplifies the original stimulus, leading to a greater deviation from the set point, whereas negative feedback works to restore balance by reducing the stimulus.

Analyze the given options: Evaluate each statement to determine whether it aligns with the definition and function of negative feedback mechanisms.

Select the correct statement: Based on the analysis, choose the statement that accurately describes negative feedback as reducing the effect of a stimulus to maintain homeostasis.