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 Heart2h 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

The Skull

Anatomy & Physiology

7. The Skeletal System

The Skull

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Multiple Choice

Where would a dentist inject lidocaine to prevent pain in the lower teeth?

the mandibular foramen

the mental foramina

the mandibular condyle

the temporomandibular joint

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Verified step by step guidance

Understand the anatomy of the lower jaw, focusing on the mandibular nerve, which is a branch of the trigeminal nerve responsible for sensation in the lower teeth.

Identify the location of the mandibular foramen, which is an opening on the internal surface of the mandible where the inferior alveolar nerve enters the mandible to supply the lower teeth.

Consider the role of the mental foramina, which are openings on the anterior surface of the mandible that allow the passage of the mental nerve, a branch of the inferior alveolar nerve, providing sensation to the chin and lower lip.

Evaluate the function of the mandibular condyle, which is part of the temporomandibular joint (TMJ) and is involved in jaw movement, not directly in dental sensation.

Determine that the most effective site for injecting lidocaine to block sensation to the lower teeth is the mandibular foramen, as it targets the inferior alveolar nerve before it enters the mandible.