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 Arm and Hand

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Anatomical Terms for the Arm and Hand

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Multiple Choice

In anatomical diagrams of the arm and hand, which bone-associated structure is most likely indicated by an arrow in panel C if it points to the lateral bone of the forearm?

Humerus

Ulna

Radius

Scaphoid

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Verified step by step guidance

Identify the anatomical location being referenced in the question. The forearm consists of two primary bones: the radius and the ulna.

Understand the orientation of the forearm bones. The radius is the lateral bone (on the thumb side) when the body is in the standard anatomical position, while the ulna is medial (on the pinky side).

Review the anatomical diagrams of the arm and hand. If the arrow in panel C points to the lateral bone of the forearm, it is most likely indicating the radius.

Differentiate the radius from other bones mentioned in the options. The humerus is the upper arm bone, the ulna is the medial forearm bone, and the scaphoid is a carpal bone in the wrist, not part of the forearm.

Conclude that the correct answer is the radius, as it matches the description of the lateral bone of the forearm in the anatomical position.