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

What is Anatomy & Physiology?

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

What is Anatomy & Physiology?

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Multiple Choice

Which of the following is the origin of the rectus femoris muscle of the thigh?

Ischial tuberosity

Greater trochanter of the femur

Linea aspera of the femur

Anterior inferior iliac spine

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Verified step by step guidance

Understand the anatomy of the rectus femoris muscle: It is one of the four muscles that make up the quadriceps group, located in the anterior compartment of the thigh. Its primary functions include hip flexion and knee extension.

Review the concept of muscle origin: The origin of a muscle is the point where it attaches to a stationary bone, typically closer to the body's midline. This attachment does not move during muscle contraction.

Identify the anatomical landmarks mentioned in the options: The ischial tuberosity is part of the pelvis and serves as the origin for hamstring muscles. The greater trochanter and linea aspera are features of the femur, associated with other muscle attachments.

Focus on the anterior inferior iliac spine (AIIS): This bony prominence is located on the pelvis, specifically on the ilium. It serves as the origin point for the rectus femoris muscle, which spans the hip and knee joints.

Confirm the correct answer by correlating the muscle's function and location: Since the rectus femoris contributes to hip flexion and knee extension, its origin at the AIIS aligns with its role in connecting the pelvis to the femur and tibia.