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

7. The Skeletal System

Introduction to the Skeleton

Anatomy & Physiology

7. The Skeletal System

Introduction to the Skeleton

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Multiple Choice

Which of the following bones is part of the floor of the cranium?

Lacrimal bone

Zygomatic bone

Nasal bone

Sphenoid bone

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Verified step by step guidance

Identify the location and function of the cranium in the human skull. The cranium is the part of the skull that encloses the brain, providing protection and support.

Understand the structure of the cranium, which consists of several bones that form the roof, sides, and floor of the cranial cavity.

Review the specific bones that make up the floor of the cranium. These include the sphenoid bone, which is centrally located and contributes to the base of the skull.

Differentiate between the bones listed in the problem: the lacrimal bone, zygomatic bone, and nasal bone are not part of the cranial floor. The lacrimal bone is part of the eye socket, the zygomatic bone forms the cheek, and the nasal bone is part of the nose structure.

Conclude that the sphenoid bone is the correct answer, as it is a key component of the cranial floor, providing structural support and housing important foramina for nerves and blood vessels.