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

4. Tissues & Histology

Introduction to Muscle Tissue

Anatomy & Physiology

4. Tissues & Histology

Introduction to Muscle Tissue

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Multiple Choice

The deltoid muscle fibers are separated into __________.

deep and superficial layers

medial and lateral bundles

anterior, middle, and posterior sections

superior and inferior compartments

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Verified step by step guidance

Understand the anatomy of the deltoid muscle: The deltoid is a triangular-shaped muscle located on the shoulder. It is responsible for various movements of the arm, including abduction, flexion, extension, and rotation.

Learn about muscle fiber organization: Muscles are often divided into sections or compartments based on their function and anatomical location. The deltoid muscle is divided into three distinct sections based on the orientation of its fibers.

Identify the sections of the deltoid muscle: The deltoid muscle is separated into anterior, middle, and posterior sections. Each section has specific roles in arm movement. For example, the anterior fibers assist in flexion and medial rotation, the middle fibers are primarily responsible for abduction, and the posterior fibers contribute to extension and lateral rotation.

Compare the options provided in the question: Evaluate each option to determine which one accurately describes the division of the deltoid muscle fibers. The correct answer is 'anterior, middle, and posterior sections,' as this aligns with the anatomical structure of the deltoid.

Reinforce understanding: To solidify your knowledge, visualize the deltoid muscle using diagrams or models, and consider how each section contributes to shoulder and arm movements during different activities.