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

In the context of skeletal muscle tissue, which structure in a typical diagram corresponds to a single skeletal muscle cell?

Muscle fiber

Sarcomere

Myofibril

Fascicle

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Verified step by step guidance

Understand the hierarchical organization of skeletal muscle tissue: Skeletal muscle is composed of bundles of muscle fibers (cells), which are further organized into smaller structures like myofibrils and sarcomeres.

Define the term 'muscle fiber': A muscle fiber is the anatomical term for a single skeletal muscle cell. It is elongated, multinucleated, and surrounded by a plasma membrane called the sarcolemma.

Differentiate between the options: A sarcomere is the smallest functional unit of a muscle fiber responsible for contraction, a myofibril is a bundle of sarcomeres within a muscle fiber, and a fascicle is a bundle of muscle fibers grouped together.

Locate the structure in a typical diagram: In a skeletal muscle diagram, the muscle fiber is the elongated structure that represents a single muscle cell, often shown surrounded by connective tissue called the endomysium.

Conclude the identification: Based on the definitions and diagram interpretation, the structure corresponding to a single skeletal muscle cell is the muscle fiber.