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

The central venous pressure (CVP) reading in hypovolemic shock is typically which of the following?

Low

Normal

High

Variable

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Verified step by step guidance

Understand the concept of central venous pressure (CVP): CVP is the pressure within the thoracic vena cava, near the right atrium of the heart. It reflects the amount of blood returning to the heart and the ability of the heart to pump the blood into the arterial system.

Recognize the condition of hypovolemic shock: Hypovolemic shock occurs when there is a significant loss of blood or fluid, leading to decreased blood volume. This can result from severe bleeding, dehydration, or burns.

Analyze the relationship between blood volume and CVP: In hypovolemic shock, the blood volume is reduced, which typically leads to a decrease in CVP. This is because there is less blood returning to the heart, resulting in lower pressure in the vena cava.

Consider the physiological response: The body may attempt to compensate for the low blood volume by increasing heart rate and constricting blood vessels, but these mechanisms do not directly increase CVP in the context of hypovolemic shock.

Conclude the expected CVP reading: Given the reduced blood volume in hypovolemic shock, the CVP is typically low, as there is less blood returning to the heart, leading to decreased pressure in the central veins.