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

Which of the following best describes the anatomical arrangement of the visual system in terms of directional terms?

The eyes are located posterior to the brain and inferior to the mouth.

The eyes are located anterior to the brain and superior to the mouth.

The eyes are located dorsal to the brain and proximal to the neck.

The eyes are located lateral to the ears and medial to the nose.

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Verified step by step guidance

Step 1: Begin by understanding the directional terms used in anatomy. These terms describe the location of structures relative to one another. Key terms include: anterior (toward the front), posterior (toward the back), superior (above), inferior (below), medial (toward the midline), lateral (away from the midline), dorsal (toward the back), and proximal (closer to the point of attachment).

Step 2: Analyze the anatomical arrangement of the visual system. The eyes are located in the front of the head, which corresponds to the term 'anterior' relative to the brain. Additionally, the eyes are positioned above the mouth, which corresponds to the term 'superior' relative to the mouth.

Step 3: Evaluate the other options provided in the question. For example, the term 'posterior' is incorrect because the eyes are not located behind the brain. Similarly, 'inferior' is incorrect because the eyes are not below the mouth. The term 'dorsal' is also incorrect because it refers to the back side of the body, and 'proximal' is not appropriate in this context.

Step 4: Consider the terms 'lateral' and 'medial' in the context of the eyes. The eyes are lateral to the nose (away from the midline) and medial to the ears (closer to the midline). This description is anatomically accurate.

Step 5: Compare all the options and identify the correct anatomical description based on the directional terms. The correct answer is: 'The eyes are located anterior to the brain and superior to the mouth.' This aligns with the anatomical arrangement of the visual system.