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

1. Introduction to Anatomy & Physiology

Anatomical Terms for the Head and Neck

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Anatomical Terms for the Head and Neck

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Multiple Choice

The entrance to the external acoustic meatus is located in which part of the temporal bone?

Tympanic part

Petrous part

Squamous part

Mastoid part

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Verified step by step guidance

Step 1: Begin by understanding the anatomy of the temporal bone, which is divided into four main parts: the squamous part, tympanic part, mastoid part, and petrous part. Each part has distinct features and functions.

Step 2: Focus on the external acoustic meatus, which is the canal leading to the eardrum and middle ear. It serves as the pathway for sound waves to reach the tympanic membrane.

Step 3: Identify which part of the temporal bone surrounds or contributes to the formation of the external acoustic meatus. The tympanic part of the temporal bone is specifically associated with the external acoustic meatus.

Step 4: Compare the other options (petrous, squamous, and mastoid parts) to confirm they do not directly form or surround the external acoustic meatus. For example, the petrous part houses the inner ear structures, the squamous part forms the flat portion of the temporal bone, and the mastoid part contains air cells.

Step 5: Conclude that the entrance to the external acoustic meatus is located in the tympanic part of the temporal bone, based on its anatomical relationship and function.