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 Anatomical Terms for Body Regions

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Anatomical Terms for Body Regions

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Multiple Choice

Which of the following muscles is located in the anterior abdominal wall and is responsible for flexing the vertebral column?

Rectus abdominis

Gluteus maximus

Trapezius

Latissimus dorsi

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Verified step by step guidance

Step 1: Begin by identifying the location of the muscles listed in the options. The anterior abdominal wall is the front part of the abdomen, so focus on muscles located in this region.

Step 2: Understand the function of the muscles listed. The rectus abdominis is a paired muscle running vertically on each side of the anterior abdominal wall and is primarily responsible for flexing the vertebral column. The gluteus maximus is located in the buttocks and is involved in hip extension. The trapezius is a large muscle in the upper back and neck, responsible for moving the scapula. The latissimus dorsi is a broad muscle in the lower back, involved in arm movement.

Step 3: Match the function of flexing the vertebral column to the correct muscle. The rectus abdominis is the muscle that performs this action by contracting and pulling the rib cage closer to the pelvis.

Step 4: Eliminate the incorrect options based on their location and function. Gluteus maximus, trapezius, and latissimus dorsi are not located in the anterior abdominal wall and do not flex the vertebral column.

Step 5: Conclude that the rectus abdominis is the correct answer, as it is located in the anterior abdominal wall and is responsible for flexing the vertebral column.