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Questions and Answers
What is the main function of blood in the body?
What are the three formed elements found in blood?
What happens when albumins leak from blood vessels or are lost in urine?
What is the largest component of globulins in plasma proteins?
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Which component of blood is responsible for converting soluble fibrinogen into insoluble fibrin during clotting?
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Which of the following is NOT a formed element of blood?
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What is the distinguishing characteristic used to recognize platelets at the electron microscopic level?
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Which stain produces different colors on different cellular components in blood?
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How do white blood cells (WBCs) exit the bloodstream to enter tissues?
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What is the main difference between serum and plasma?
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Study Notes
Blood Functions and Components
- Blood serves to transport oxygen and carbon dioxide, regulate body temperature, and maintain pH balance and fluid homeostasis.
- The three formed elements in blood are erythrocytes (red blood cells), leukocytes (white blood cells), and thrombocytes (platelets).
Albumins and Their Role
- When albumins leak from blood vessels or are lost in urine, it can lead to edema due to loss of oncotic pressure, affecting fluid distribution in tissues.
Plasma Proteins
- The largest component of globulins in plasma proteins is immunoglobulins (antibodies), crucial for immune responses.
Clotting Process
- Thrombin, a key enzyme, converts soluble fibrinogen into insoluble fibrin during the process of blood clotting, forming a stable clot.
Formed Elements and Distinctions
- Components that are NOT formed elements of blood include plasma (the fluid portion of blood).
- The distinguishing characteristic of platelets at the electron microscopic level is their small size and the presence of granules.
Staining Techniques
- Wright's stain produces different colors on various cellular components, allowing for differentiation among types of blood cells.
White Blood Cell Activity
- White blood cells (WBCs) exit the bloodstream to enter tissues through a process called diapedesis, where they squeeze through endothelial cells of blood vessels.
Serum vs Plasma
- The main difference between serum and plasma is that serum is the fluid component that remains after blood has clotted, while plasma contains clotting factors and is obtained from unclotted blood.
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Description
Learn about the basics of blood histology and how it relates to wellness and disease. This quiz covers topics such as serum vs. plasma, the composition and functions of blood, and the structures and functions of formed elements.
