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 Position

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Anatomical Position

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Multiple Choice

In the anatomical position, where is the ulna located in reference to the humerus?

Lateral to the humerus

Medial to the humerus

Proximal to the humerus

Distal to the humerus

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Verified step by step guidance

Step 1: Begin by understanding the anatomical position. In this position, the body is standing upright, facing forward, with arms at the sides and palms facing forward. This is the standard reference point for describing anatomical relationships.

Step 2: Identify the humerus and ulna. The humerus is the bone of the upper arm, while the ulna is one of the two bones in the forearm (the other being the radius). The ulna is located on the medial side of the forearm when in anatomical position.

Step 3: Understand the term 'distal.' In anatomy, 'distal' refers to a position farther away from the trunk or point of origin. Conversely, 'proximal' refers to a position closer to the trunk or point of origin.

Step 4: Compare the locations of the humerus and ulna. The humerus is located in the upper arm, closer to the trunk, while the ulna is located in the forearm, farther away from the trunk. This means the ulna is distal to the humerus.

Step 5: Confirm the relationship. Based on the definitions and anatomical positions, the ulna is correctly described as distal to the humerus.