Multiple Choice
In a typical healthy adult, approximately how much total blood volume does the human body contain?
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17. The Blood
Introduction To Blood
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In a healthy average adult, approximately how many liters of blood are in the human body?
A
About 5 liters
B
About 1 liter
C
About 10 liters
D
About 20 liters
Verified step by step guidance1
Understand that the total blood volume in a healthy adult is a standard physiological value often referenced in anatomy and physiology.
Recall that blood volume is typically measured in liters and varies slightly based on factors like body size and sex, but averages around a certain value for an average adult.
Recognize that the average adult human body contains approximately 7-8% of its body weight in blood, which translates roughly to about 5 liters for an average adult weighing around 70 kg.
Compare the given options with this physiological knowledge to identify the most accurate estimate of blood volume in liters.
Conclude that the correct approximate blood volume in a healthy average adult is about 5 liters.
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