Questions: Which term refers to the contribution of protein to the osmotic pressure of the blood?

Which term refers to the contribution of protein to the osmotic pressure of the blood?
Transcript text: Which term refers to the contribution of protein to the osmotic pressure of the blood?
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Solution

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The answer is the third one (or C): colloid osmotic pressure.

Explanation for each option:

  • Hematocrit: This refers to the proportion of blood volume that is occupied by red blood cells. It does not relate to the osmotic pressure of the blood.
  • Blood hydrostatic pressure: This is the pressure exerted by the blood against the walls of blood vessels. It is not specifically related to the contribution of proteins to osmotic pressure.
  • Colloid osmotic pressure: This is the pressure exerted by plasma proteins (such as albumin) that contributes to the osmotic pressure of the blood. It helps to maintain the balance of fluid between blood vessels and surrounding tissues.
  • Viscosity: This refers to the thickness or stickiness of the blood, which affects its flow. It is not directly related to the osmotic pressure of the blood.

Summary: The term that refers to the contribution of protein to the osmotic pressure of the blood is colloid osmotic pressure.

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