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

27. The Reproductive System

Introduction to the Reproductive System

Anatomy & Physiology

27. The Reproductive System

Introduction to the Reproductive System

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Multiple Choice

A nurse is preparing a 7-year-old girl for a bone marrow aspiration. Which site is most appropriate for the procedure?

Radial artery

Femoral vein

Sternum

Posterior iliac crest

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Verified step by step guidance

Understand the purpose of a bone marrow aspiration: This procedure is performed to collect a sample of bone marrow for diagnostic purposes, such as evaluating blood disorders or cancers. The site chosen must provide safe access to the marrow while minimizing risks to the patient.

Consider anatomical factors: In children, the posterior iliac crest is the preferred site for bone marrow aspiration because it provides a large, flat surface area with abundant marrow and is relatively easy to access. It also avoids critical structures like major blood vessels and organs.

Evaluate alternative sites: The radial artery and femoral vein are not appropriate for bone marrow aspiration because they are blood vessels, not bone marrow sites. The sternum, while used in adults, is generally avoided in children due to the risk of injury to underlying structures and the smaller size of the bone.

Understand the developmental anatomy of a 7-year-old: At this age, the posterior iliac crest is well-developed and provides a safe and effective site for the procedure. The bone is thick enough to allow for aspiration without risking damage to surrounding tissues.

Confirm the correct site: Based on anatomical and safety considerations, the posterior iliac crest is the most appropriate site for a bone marrow aspiration in a 7-year-old girl.