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Methamphetamine is what category of drug?

Duquenois-Levine solutions were used on a sample and both layers turned purple. This suggests that which of the following may be present?

Triethylamine has the formula (CH3CH2)3N. In the mass spectrum of triethylamine, the base peak is at m/z=86. These data are consistent with:

Psilocin and psilocybin are which schedule?

What would happen to the retention time of a compound if the temperature of the column were decreased?

The amount of energy in infrared light corresponds to the amount of energy needed to:

In the mass spectrum of cocaine, what is the mass-to-charge ratio of the base peak? 

The nurse notes the client has a hypertonic solution infusing.  A hypertonic solution is contraindicated in a client:

What is the priority for treating an open wound on the patient’s abdomen?

A nurse is administering magnesium sulfate intravenously to a client diagnosed with hypomagnesemia. Which medication should be readily available and why?