PATHOLOGY

PATHOLOGY MCQ

BLOOD VESSELS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is plasma?
A
only white blood cells
B
only red blood cells
C
fluid part of blood
D
hemoglobin
Explanation: 

Detailed explanation-1: -Plasma, also known as blood plasma, appears light-yellowish or straw-colored. It serves as the liquid base for whole blood. Whole blood minus erythrocytes (RBCs), leukocytes (WBCs), and thrombocytes (platelets) make up the plasma.

Detailed explanation-2: -Plasma is found within the blood vessels, whereas interstitial fluid is present outside the blood vessels. The interstitial fluid forms when plasma fluid is filtered through the capillary membrane. Interstitial fluid is present on the outside of the blood vessels in the tissue.

Detailed explanation-3: -Plasma is the liquid component of your blood that contributes to 55% of your blood’s total volume. Plasma is necessary to help your body recover from injury, distribute nutrients, remove waste and prevent infection, while moving throughout your circulatory system.

Detailed explanation-4: -The word “plasma, ‘’ derived from the ancient Greek “to mold, ‘’ had been in use in medicine and biology for some decades when American chemist and physicist Irving Langmuir (1881-1957) began experimenting on electrical discharges in gas at the General Electric Research and Development Center in upstate New York.

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