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

Introduction to Organ Systems

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

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Multiple Choice

Which of the following is NOT a bone of the middle ear?

Malleus

Mandible

Incus

Stapes

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Verified step by step guidance

Step 1: Begin by identifying the bones of the middle ear. The middle ear contains three small bones collectively known as the auditory ossicles: the malleus, incus, and stapes. These bones are essential for transmitting sound vibrations from the eardrum to the inner ear.

Step 2: Understand the function and location of the mandible. The mandible is the lower jawbone and is part of the facial skeleton, not the middle ear. It plays a role in chewing and forming the lower part of the jaw, but it is unrelated to hearing or the auditory ossicles.

Step 3: Compare the listed options to the bones of the middle ear. The malleus, incus, and stapes are all part of the middle ear, while the mandible is not.

Step 4: Recognize that the question is asking for the bone that is NOT part of the middle ear. Based on the comparison, the mandible is the correct answer because it is not one of the auditory ossicles.

Step 5: Conclude that the mandible is the correct choice as it is not anatomically or functionally related to the middle ear, unlike the malleus, incus, and stapes.