Study With Me : Introduction to Blood Transfusion 14

Questions and Answers

Question 88: What is blood composed of?
The answer: Blood is a suspension of various types of cells in a watery fluid known as plasma.
Question 89: What is the approximate volume of blood in the average healthy adult?
The answer: The volume of blood in the average healthy adult is about five liters.
Question 90: How does the pH of blood typically range?
The answer: The pH of blood typically ranges between 7.3 and 7.4, which is nearly neutral.
Question 91: How is acidity or alkalinity measured in fluids?
The answer: Acidity is measured with a pH less than 7.0, while alkalinity is measured with a pH greater than 7.0.
Question 92: What is the specific gravity (SG) of blood, and how does it compare to water?
The answer: The specific gravity of blood is 1050–1065, indicating it is slightly heavier than pure water, which has an SG of 1000.

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Immunohematology Made Easy (2)
General Topics – Key Principles and Everyday Practices

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