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

16. The Endocrine System

Introduction to the Endocrine System

Anatomy & Physiology

16. The Endocrine System

Introduction to the Endocrine System

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Multiple Choice

Which hormone is secreted in response to high levels of glucose in the bloodstream?

Cortisol

Glucagon

Insulin

Adrenaline

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Verified step by step guidance

Step 1: Understand the role of glucose regulation in the body. The pancreas plays a key role in maintaining blood glucose levels through the secretion of hormones such as insulin and glucagon.

Step 2: Recall the function of insulin. Insulin is a hormone secreted by the beta cells of the pancreas in response to high levels of glucose in the bloodstream. Its primary function is to lower blood glucose levels by facilitating the uptake of glucose into cells and promoting glycogen synthesis in the liver.

Step 3: Differentiate insulin from other hormones listed in the problem. Cortisol is a stress hormone that increases blood glucose levels, glucagon is secreted in response to low blood glucose levels to raise it, and adrenaline (epinephrine) also increases blood glucose during stress. Insulin is the only hormone that lowers blood glucose levels.

Step 4: Connect the physiological response to the problem. When blood glucose levels are high, the body needs a mechanism to reduce them, and insulin is the hormone responsible for this action.

Step 5: Conclude that insulin is the correct answer based on its role in glucose regulation and its secretion in response to high blood glucose levels.