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

10. Muscles

Muscle Naming

Anatomy & Physiology

10. Muscles

Muscle Naming

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2:34 minutes

Problem 7

Textbook Question

The strongest masticatory muscle is the
(a) Pterygoid
(b) Masseter
(c) Temporalis
(d) Mandible

Verified step by step guidance

Step 1: Understand the term 'masticatory muscle.' These are muscles involved in the process of mastication (chewing), which help move the jaw to break down food.

Step 2: Review the anatomy of the masticatory muscles. The primary muscles involved in mastication are the masseter, temporalis, medial pterygoid, and lateral pterygoid. The mandible is not a muscle but the lower jawbone.

Step 3: Focus on the masseter muscle. It is located on the side of the face and connects the zygomatic arch to the mandible. It is known for its strength and ability to exert significant force during chewing.

Step 4: Compare the masseter to other masticatory muscles. While the temporalis and pterygoid muscles contribute to jaw movement, the masseter is specifically recognized as the strongest muscle in terms of force generation.

Step 5: Conclude that the strongest masticatory muscle is the masseter, based on its anatomical structure and function in generating force during chewing.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Masticatory Muscles

Masticatory muscles are the group of muscles responsible for the movement of the jaw during chewing. They include the masseter, temporalis, and pterygoid muscles, each playing a distinct role in the process of mastication. Understanding these muscles is essential for identifying which one is the strongest.

Masseter Muscle

The masseter muscle is one of the primary muscles involved in chewing and is known for its strength. It is located at the back of the jaw and is responsible for elevating the mandible, allowing for powerful biting and grinding of food. Its anatomical structure contributes to its designation as the strongest masticatory muscle.

Temporalis Muscle

The temporalis muscle is another key masticatory muscle that assists in jaw movement. It is located on the side of the head and helps in elevating and retracting the mandible. While it is strong, it is generally considered less powerful than the masseter in terms of force exerted during chewing.

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