The Blood Volume of a Patient Can Be Measured by Using

question 47

True/False

The blood volume of a patient can be measured by using chromium-51, a positron emitter, administered as a solution of sodium chromate. The nuclear equation for the decay of chromium-51 is: ${ }_{24}^{51} \mathrm{Cr} \rightarrow{ }_{23}^{51} \mathrm{~V}+{ }_{+1}^{0} \mathrm{e}$

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Definitions:

Sleep needs

The necessary amount of sleep a person requires to function optimally, varying across age groups and individual needs.

NREM sleep

Non-Rapid Eye Movement sleep, which constitutes the majority of sleep time and is characterized by slower brain waves, reduced heart rate, and relaxed muscles.

Respirations

The act of breathing, which involves the inhalation and exhalation of air to facilitate gas exchange within the body.

Heart rate

The number of heartbeats per minute, a vital sign indicating the heart's efficiency and health status.