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

When does feedback inhibition occur in a negative feedback loop?

When the initial stimulus is amplified by the response

When the process continues without any regulation

When the response enhances the original stimulus

When the end product of a process inhibits the process itself

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Verified step by step guidance

Understand the concept of a negative feedback loop: A negative feedback loop is a regulatory mechanism in which a change in a system causes an output that counteracts the initial change, maintaining homeostasis.

Identify the role of feedback inhibition: Feedback inhibition is a specific type of negative feedback where the end product of a metabolic pathway inhibits an enzyme involved in the pathway, thus regulating the process.

Analyze the options provided: The options describe different scenarios of feedback mechanisms. In a negative feedback loop, the goal is to reduce or eliminate the initial stimulus, not to amplify or enhance it.

Relate feedback inhibition to the correct scenario: Feedback inhibition occurs when the end product of a process inhibits the process itself, preventing overproduction and maintaining balance.

Conclude with the correct understanding: In a negative feedback loop, feedback inhibition is the mechanism where the end product acts as an inhibitor to stop or slow down the process, ensuring the system remains stable.