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 Directional Terms

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Directional Terms

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Multiple Choice

In which anatomical plane do shoulder horizontal adduction and abduction primarily occur?

Sagittal plane

Transverse plane

Oblique plane

Frontal (coronal) plane

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Verified step by step guidance

Understand the concept of anatomical planes: Anatomical planes are imaginary lines used to divide the body into sections. The main planes are sagittal (divides the body into left and right), frontal/coronal (divides the body into front and back), transverse (divides the body into top and bottom), and oblique (a diagonal plane).

Review the movements of horizontal adduction and abduction: Horizontal adduction refers to moving a limb toward the midline of the body in a horizontal direction, while horizontal abduction refers to moving it away from the midline in a horizontal direction.

Identify the plane in which these movements occur: Horizontal adduction and abduction involve movement parallel to the ground, which corresponds to the transverse plane. This plane divides the body into superior (upper) and inferior (lower) sections.

Compare the other options: The sagittal plane involves forward and backward movements (e.g., flexion and extension), the frontal/coronal plane involves side-to-side movements (e.g., abduction and adduction), and the oblique plane is a diagonal plane that is not typically associated with these specific movements.

Conclude that the transverse plane is the correct answer because it is the plane where shoulder horizontal adduction and abduction primarily occur, as these movements are parallel to the ground.