Multiple Choice
In a typical healthy adult human, approximately how many quarts of blood are in the body?
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17. The Blood
Introduction To Blood
Multiple Choice
In an average-sized adult, approximately how much total blood volume is present?
A
About 20 liters
B
About 1 liter
C
About 5 liters (roughly 4.5–6.0 L)
D
About 10 liters
Verified step by step guidance1
Understand that total blood volume refers to the amount of blood circulating within the entire vascular system of an average adult.
Recall that the average blood volume in adults is typically measured in liters and varies based on factors such as body size and sex.
Recognize that the commonly accepted range for total blood volume in an average adult is approximately 4.5 to 6.0 liters.
Compare the given options to this range to identify which one best fits the typical blood volume in an average-sized adult.
Conclude that the correct estimate for total blood volume in an average adult is about 5 liters, as it falls within the accepted physiological range.
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