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

Introduction to Organ Systems

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

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Multiple Choice

Which of the following is a component of the juxtaglomerular apparatus?

Macula densa

Bowman's capsule

Loop of Henle

Collecting duct

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Verified step by step guidance

Understand the anatomy of the nephron and its associated structures. The juxtaglomerular apparatus (JGA) is a specialized structure in the kidney that plays a role in regulating blood pressure and filtration rate.

Identify the components of the juxtaglomerular apparatus. The JGA consists of three main parts: the macula densa, juxtaglomerular cells, and extraglomerular mesangial cells.

Focus on the macula densa. The macula densa is a group of specialized cells located in the distal convoluted tubule, near the glomerulus. These cells detect sodium concentration in the filtrate and signal the juxtaglomerular cells to release renin if necessary.

Eliminate the incorrect options. Bowman's capsule, Loop of Henle, and Collecting duct are parts of the nephron but are not components of the juxtaglomerular apparatus. Bowman's capsule surrounds the glomerulus, the Loop of Henle is involved in concentration gradients, and the Collecting duct is responsible for water reabsorption.

Conclude that the macula densa is the correct answer because it is a key component of the juxtaglomerular apparatus, involved in monitoring and regulating kidney function.