Utah Master Esthetician Practice Exam

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What is plasma?

  1. The solid part of blood

  2. The liquid part of blood

  3. The type of blood cell responsible for immunity

  4. The component that causes blood clotting

The correct answer is: The liquid part of blood

Plasma is indeed the liquid part of blood, which constitutes about 55% of its total volume. It is a pale yellow fluid that serves as a medium for carrying blood cells, nutrients, hormones, proteins, and waste products throughout the body. Plasma is crucial because it not only provides the necessary transport for these substances but also plays a significant role in maintaining blood pressure and regulating body temperature. The other components of blood, such as red blood cells, white blood cells, and platelets, have distinct functions that contribute to overall health, but they comprise the cellular part of blood rather than the liquid component. Understanding the role of plasma helps in grasping how the circulatory system operates and the importance of each blood component in physiological processes.

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