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

9. Muscle Tissue

Structure of a Skeletal Muscle

Anatomy & Physiology

9. Muscle Tissue

Structure of a Skeletal Muscle

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Multiple Choice

Which of the following correctly identifies the structure that surrounds each individual skeletal muscle fiber?

Sarcolemma

Endomysium

Perimysium

Epimysium

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Verified step by step guidance

Step 1: Begin by understanding the anatomy of skeletal muscle. Skeletal muscle is composed of bundles of muscle fibers, and each fiber is surrounded by connective tissue layers that provide support and protection.

Step 2: Learn the hierarchy of connective tissue layers in skeletal muscle. The three main layers are: (1) Epimysium, which surrounds the entire muscle; (2) Perimysium, which surrounds bundles of muscle fibers called fascicles; and (3) Endomysium, which surrounds each individual muscle fiber.

Step 3: Compare the options provided in the question. The sarcolemma is the plasma membrane of a muscle fiber, not a connective tissue layer. The epimysium surrounds the entire muscle, and the perimysium surrounds fascicles. The endomysium is the correct connective tissue layer that surrounds each individual muscle fiber.

Step 4: Understand the function of the endomysium. It provides structural support, contains capillaries and nerves that supply the muscle fiber, and helps transmit force generated by the muscle fibers to the tendons.

Step 5: Confirm the correct answer based on the explanation above. The structure that surrounds each individual skeletal muscle fiber is the endomysium.