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 laboratory result supports a diagnosis of Cushing's syndrome?

Elevated cortisol levels

Increased insulin sensitivity

Low blood glucose levels

Decreased aldosterone levels

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Verified step by step guidance

Understand the role of cortisol in the body: Cortisol is a steroid hormone produced by the adrenal glands. It plays a crucial role in regulating metabolism, immune response, and stress. Elevated levels of cortisol can indicate an imbalance or disorder such as Cushing's syndrome.

Identify the symptoms and effects of Cushing's syndrome: Cushing's syndrome is characterized by excessive levels of cortisol in the blood. Common symptoms include weight gain, particularly around the abdomen and face, high blood pressure, and changes in skin appearance.

Analyze the laboratory results: Elevated cortisol levels are a key indicator of Cushing's syndrome. This is because the condition is directly related to the overproduction of cortisol by the adrenal glands.

Consider the other laboratory results: Increased insulin sensitivity, low blood glucose levels, and decreased aldosterone levels are not typically associated with Cushing's syndrome. In fact, Cushing's syndrome often leads to insulin resistance and high blood glucose levels.

Conclude which laboratory result supports the diagnosis: Elevated cortisol levels are the most relevant laboratory result supporting a diagnosis of Cushing's syndrome, as they directly reflect the hormonal imbalance characteristic of the condition.