Table of contents

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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

15. The Special Senses

Introduction to Special Senses

Anatomy & Physiology

15. The Special Senses

Introduction to Special Senses

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Multiple Choice

A patient has dark skin. Which area is best for the nurse to check for cyanosis?

Nail beds

Palms of the hands

Mucous membranes of the mouth

Sclera of the eyes

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Verified step by step guidance

Understand the concept of cyanosis: Cyanosis is a bluish discoloration of the skin and mucous membranes due to low oxygen levels in the blood.

Recognize that in individuals with dark skin, it may be more challenging to detect changes in skin color, such as cyanosis, on the surface of the skin.

Identify areas where blood vessels are closer to the surface and where pigmentation is less likely to obscure color changes. These areas include mucous membranes, such as those found in the mouth.

Consider the mucous membranes of the mouth as a reliable site for assessing cyanosis because they are less affected by skin pigmentation and provide a clear view of blood oxygenation status.

Conclude that while other areas like nail beds and palms can be checked, the mucous membranes of the mouth are the most effective site for detecting cyanosis in patients with dark skin.