A blood-volume determination was carried out on a patient by injection with 20.0 mL of blood that had been radioactively labeled with Cr-51 to an activity of 4.10 Ci/mL. After a brief period to allow for mixing in the body, blood was drawn from the patient for analysis. Unfortunately, a mixup in the laboratory prevented an immediate analysis, and it was not until 17.0 days later that a scintilation measurement on the blood was made. The radiation level was then determined to be 0.00935 Ci/mL. If 51Cr has t1/2 = 17.7 days, what is the volume of blood in the patient?
A blood-volume determination was carried out on a patient by injection with 20.0 mL of blood that had been radioactively labeled with Cr-51 to an activity of 4.10 Ci/mL. After a brief period to allow for mixing in the body, blood was drawn from the patient for analysis. Unfortunately, a mixup in the laboratory prevented an immediate analysis, and it was not until 17.0 days later that a scintilation measurement on the blood was made. The radiation level was then determined to be 0.00935 Ci/mL. If 51Cr has t1/2 = 17.7 days, what is the volume of blood in the patient?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A blood-volume determination was carried out on a patient by injection with 20.0 mL of blood that
had been radioactively labeled with Cr-51 to an activity of 4.10 Ci/mL. After a brief period to allow
for mixing in the body, blood was drawn from the patient for analysis. Unfortunately, a mixup in the
laboratory prevented an immediate analysis, and it was not until 17.0 days later that a scintilation
measurement on the blood was made. The radiation level was then determined to be 0.00935 Ci/mL.
If 51Cr has t1/2 = 17.7 days, what is the volume of blood in the patient?
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