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

23. The Digestive System

Introduction to the Digestive System

Anatomy & Physiology

23. The Digestive System

Introduction to the Digestive System

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Multiple Choice

Which of the following best describes the fundus of the stomach?

It is the central region where most gastric glands are found.

It is the dome-shaped region located superior to the esophageal opening.

It is the muscular valve that controls the passage of food into the stomach.

It is the narrow, distal region that connects to the small intestine.

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Verified step by step guidance

Step 1: Understand the anatomy of the stomach. The stomach is divided into several regions: the cardia, fundus, body, and pylorus. Each region has distinct characteristics and functions.

Step 2: Focus on the fundus of the stomach. The fundus is the dome-shaped region located superior to the esophageal opening. It is positioned above the body of the stomach and serves as a storage area for undigested food and gases produced during digestion.

Step 3: Compare the fundus to other regions of the stomach. For example, the body is the central region where most gastric glands are found, the pylorus is the narrow distal region connecting to the small intestine, and the cardia is the area near the esophageal opening.

Step 4: Eliminate incorrect options based on anatomical descriptions. For instance, the fundus is not the muscular valve controlling food passage (that is the lower esophageal sphincter or pyloric sphincter), nor is it the narrow distal region (which is the pylorus).

Step 5: Confirm that the correct description of the fundus is: 'It is the dome-shaped region located superior to the esophageal opening.' This matches the anatomical location and function of the fundus.