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

Introduction to Muscles and Muscle Tissue

Anatomy & Physiology

9. Muscle Tissue

Introduction to Muscles and Muscle Tissue

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Multiple Choice

A muscle that inserts on the body of the mandible is probably involved in which of the following actions?

Blinking

Rotating the shoulder

Chewing

Flexing the wrist

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Verified step by step guidance

Step 1: Understand the anatomy of the mandible. The mandible is the lower jawbone, and muscles that insert on it are typically involved in movements of the jaw, such as opening, closing, or moving the jaw side-to-side.

Step 2: Identify the primary actions associated with the mandible. The mandible is crucial for chewing, speaking, and other jaw-related movements. Chewing involves the elevation and depression of the mandible, as well as lateral movements.

Step 3: Analyze the muscle insertion. Muscles that insert on the body of the mandible, such as the masseter and medial pterygoid, are responsible for elevating the mandible during chewing. These muscles generate the force needed to break down food.

Step 4: Eliminate unrelated actions. Blinking involves muscles around the eyes (e.g., orbicularis oculi), rotating the shoulder involves muscles like the deltoid and rotator cuff, and flexing the wrist involves forearm muscles. None of these actions are related to the mandible.

Step 5: Conclude that the correct action associated with a muscle inserting on the mandible is chewing, as this is the primary function of the mandible and its associated muscles.