Solve the Problem $170 \mathrm { mg }$ Of the Medicine for a 20-Lb Child

question 52

Multiple Choice

Solve the problem.
-The amount of a pain reliever that a physician prescribes for a child varies directly as the weight of the child. A physician prescribes $170 \mathrm { mg }$ of the medicine for a 20-lb child.
a. How much medicine would be prescribed for a 40-b child?
b. If $140 \mathrm { mg }$ of medicine was prescribed, what is the weight of the child?

• A) a. \(340 \mathrm { mg }\)
• b. \(- 5 \mathrm { lb }\)
• B) a. \(190 \mathrm { mg }\)
• b. \(- 5 \mathrm { lb }\)
• C) a. \(190 \mathrm { mg }\)
• b. \(16.47 \mathrm { lb }\)
• D) a. \(340 \mathrm { mg }\)
• b. \(16.47 \mathrm { lb }\)

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Definitions:

Positive Symptoms

In the context of certain psychological disorders, symptoms that reflect an excess or distortion in normal functions, such as hallucinations or delusions.

Negative Symptoms

Negative symptoms refer to the absence or diminution of normal behaviors or feelings, commonly observed in certain psychiatric disorders such as schizophrenia.

Disordered Brain

Refers to a state or condition where the brain's normal functions are disrupted, leading to psychological or neurological issues.

Electroconvulsive Therapy (ECT)

A medical treatment for severe mental illnesses where small electric currents are passed through the brain, intentionally triggering a brief seizure.