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

Paranasal sinuses are found in which of the following facial bones?

Maxilla

Mandible

Zygomatic

Vomer

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Verified step by step guidance

Step 1: Begin by understanding the term 'paranasal sinuses.' These are air-filled spaces within certain bones of the skull that are connected to the nasal cavity. Their functions include lightening the weight of the skull, humidifying and warming inhaled air, and enhancing voice resonance.

Step 2: Recall the anatomy of the facial bones. The major facial bones include the maxilla, mandible, zygomatic, vomer, nasal bones, and others. Not all of these bones contain paranasal sinuses.

Step 3: Identify the bones that are known to house paranasal sinuses. These include the frontal bone, ethmoid bone, sphenoid bone, and maxilla. The maxilla specifically contains the maxillary sinuses, which are the largest of the paranasal sinuses.

Step 4: Eliminate the incorrect options. The mandible does not contain paranasal sinuses; it primarily houses the lower teeth and forms the jaw. The zygomatic bone (cheekbone) and vomer (part of the nasal septum) also do not contain paranasal sinuses.

Step 5: Conclude that the correct answer is the maxilla, as it is the only facial bone listed that contains paranasal sinuses (the maxillary sinuses).