Blood Plasma Composition Quiz

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Questions and Answers

What percentage of blood plasma is composed of water?

85.5%
97.5%
91.5% (correct)
95.5%

Which plasma protein constitutes the largest percentage of plasma proteins?

Globulins
Enzymes
Albumins (correct)
Fibrinogen

What is the primary role of plasma proteins in the blood?

Maintain blood osmotic pressure (correct)
Regulate body temperature
Fight infections
Transport oxygen to body tissues

Which of the following is NOT a component found in plasma?

<p>Erythrocytes (A)</p> Signup and view all the answers

Where are most plasma proteins synthesized in the body?

<p>Liver (C)</p> Signup and view all the answers

Flashcards

What is blood plasma?

The liquid component of blood, primarily water containing dissolved solutes like proteins, waste products, nutrients, hormones, gases, and electrolytes.

What are plasma proteins?

Proteins found only in blood plasma, playing a role in maintaining proper blood osmotic pressure.

What is blood osmotic pressure?

The force exerted by proteins in the blood, influencing the movement of water between the blood and surrounding tissues.

What are albumins?

The most abundant plasma protein, synthesized by the liver. They help maintain blood osmotic pressure.

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What are globulins?

Group of diverse proteins found in plasma, including antibodies. They contribute to immunity and transport.

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Study Notes

Blood Plasma Composition

Plasma, the liquid portion of blood after removing formed elements, is mostly water (91.5%) and solutes (8.5%).
Proteins make up 7% of plasma by weight. Some proteins are found elsewhere in the body, but those specific to plasma are called plasma proteins.
Plasma proteins are crucial for maintaining blood osmotic pressure, a key factor in overall body fluid balance.
Major plasma proteins include albumins (54%), globulins (38%), and fibrinogen (7%).
Most plasma proteins are synthesized in the liver.
Plasma also contains waste products (urea, uric acid, creatinine, ammonia, bilirubin), nutrients, vitamins, enzymes, hormones, gases, and electrolytes.