Multiple choice

'Microcirculation' is the flow of blood through the smallest vessels of the body. Which among the following characterises microcirculation?

  1. The exchange of solutes among the capillaries and body tissues occurs mainly through mass flow.

  2. The capillaries act as vital source of vascular resistance.

  3. All of the fluid circulating through the capillaries to the tissues is returned to the blood through the lymphatic circulation.

  4. The plasma proteins play key role in tissue fluid exchange mechanism.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This statement is correct. Plasma is the pale yellow coloured liquid part of blood and carries dissolved substances such as glucose and other products of digestion, hormones, vitamins, etc. Thus, it plays key role in tissue fluid exchange mechanism.

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