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 hyperextension in relation to flexion?

It moves a limb away from the midline of the body.

It bends a joint beyond its normal range of motion in the opposite direction of flexion.

It rotates a limb toward the body's midline.

It decreases the angle between two bones at a joint.

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Verified step by step guidance

Step 1: Begin by understanding the term 'flexion.' Flexion refers to a movement that decreases the angle between two bones at a joint, such as bending the elbow or knee.

Step 2: Next, consider the term 'hyperextension.' Hyperextension occurs when a joint is extended beyond its normal range of motion, typically in the opposite direction of flexion. This movement can sometimes lead to injury if excessive.

Step 3: Compare hyperextension to other movements mentioned in the options. For example, moving a limb away from the midline of the body is called 'abduction,' and rotating a limb toward the body's midline is referred to as 'medial rotation.' These are distinct from hyperextension.

Step 4: Eliminate incorrect options by matching the definitions of the movements provided. Hyperextension specifically involves bending a joint beyond its normal range of motion in the opposite direction of flexion, which aligns with the correct answer.

Step 5: Conclude that the correct description of hyperextension in relation to flexion is: 'It bends a joint beyond its normal range of motion in the opposite direction of flexion.' This is the most accurate definition based on anatomical terminology.