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

Which structure is characteristic of a skeletal muscle fiber?

Branched cells with intercalated discs

Multinucleated cylindrical cells

Spindle-shaped cells with a single nucleus

Cells lacking striations

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Verified step by step guidance

Step 1: Understand the characteristics of skeletal muscle fibers. Skeletal muscle fibers are specialized cells that are responsible for voluntary movements. They have distinct features such as being cylindrical in shape, multinucleated, and striated.

Step 2: Compare skeletal muscle fibers with other muscle types. Skeletal muscle fibers differ from cardiac muscle fibers, which are branched and have intercalated discs, and smooth muscle fibers, which are spindle-shaped and lack striations.

Step 3: Analyze the options provided in the question. Identify the features described in each option and match them to the known characteristics of skeletal muscle fibers.

Step 4: Eliminate incorrect options. For example, 'Branched cells with intercalated discs' describes cardiac muscle, and 'Spindle-shaped cells with a single nucleus' describes smooth muscle. 'Cells lacking striations' also refers to smooth muscle.

Step 5: Select the correct answer based on the defining features of skeletal muscle fibers. The correct answer is 'Multinucleated cylindrical cells,' as this matches the unique characteristics of skeletal muscle fibers.