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

17. The Blood

Introduction To Blood

Anatomy & Physiology

17. The Blood

Introduction To Blood

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Multiple Choice

Which of the following is a normal value for whole blood in a healthy adult?

Osmolarity of 100 mOsm/L

pH of 7.4

Hematocrit of 10%

Temperature of 30°C

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Verified step by step guidance

Step 1: Understand the context of the question. The problem is asking about normal values for whole blood in a healthy adult. These values are critical for maintaining homeostasis and proper physiological function.

Step 2: Review the normal range for blood osmolarity. Blood osmolarity typically ranges between 280-300 mOsm/L in a healthy adult. The given value of 100 mOsm/L is far below this range and is not normal.

Step 3: Examine the normal pH of blood. Blood pH is tightly regulated and typically falls between 7.35 and 7.45. A pH of 7.4 is within this range and is considered normal for a healthy adult.

Step 4: Evaluate the hematocrit value. Hematocrit refers to the percentage of red blood cells in the blood. Normal hematocrit values for adults are approximately 38-50% for men and 36-44% for women. A hematocrit of 10% is abnormally low and indicates anemia or another pathological condition.

Step 5: Assess the temperature of blood. Blood temperature is generally maintained at approximately 37°C (98.6°F) in a healthy adult. A temperature of 30°C is significantly lower than normal and would indicate hypothermia or another abnormal condition.