A Drug Containing with an Activity of 2 $\mu$ Ci Is to Be Injected into a Patient at 11:00

question 68

Multiple Choice

A drug containing with an activity of 2.00 $\mu$ Ci is to be injected into a patient at 11:00 am.A sample is prepared 4.00 hours before the injection (at 7:00 am) .The activity of the drug have at the preparation time (7:00 am) was 3.16 $\mu$ Ci.What is the half-life of ?

• A)6.05 hr
• B)8.74 hr
• C)12.6 hr
• D)7.45 hr
• E)6.91 hr

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Definitions:

Neural Basis

The underlying neurological foundation or mechanism that enables cognitive processes, behaviors, and emotions.

Consciousness

The state of being aware of and able to think about one's own existence, sensations, thoughts, surroundings, and experiences.

Divergent Intelligence

A cognitive trait characterized by the ability to think in varied, unique, and unconventional ways to solve problems.

Convergent Intelligence

Refers to the ability to apply logical reasoning and problem-solving skills to arrive at correct solutions, blending various pieces of information towards a common goal.