A Sample of Cerium-141 for a Diagnostic Test Was Dissolved

question 85

Multiple Choice

A sample of cerium-141 for a diagnostic test was dissolved in saline solution to an activity of 4.5 millicuries/mL.If the patient undergoing the test needs a dose of 10 millicuries,how much of the solution should be injected into the patient?

• A)45 mL
• B).45 mL
• C)2.2 mL
• D)22 mL
• E)4.5 mL

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Definitions:

Psychosis

A mental health disorder characterized by a disconnection from reality, which may include delusions, hallucinations, and disordered thinking.

Affective Disorder

A category of psychiatric disorders, also known as mood disorders, that primarily affect a person's emotions and mood.

Hypomania

A less severe form of mania, marked by elevated or irritable mood but not severe enough to cause marked impairment in social or occupational functioning.

Electroconvulsive Therapy

A psychiatric treatment in which seizures are electrically induced in patients to provide relief from mental disorders.