Which of the following statements about thin layer chromatography (TLC) for drug screening is true?
A. A drug is identified by how large the colored spot is on the TLC support medium.
B. A drug is identified by its shape on the support medium.
C. A drug is identified by comparing its Rf value and staining to standards.
D. Drugs cannot be identified by TLC, only separated.
C
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Divide the decimals. What is the numerator in 5/9?
Fill in the blank(s) with the appropriate word(s).
A fasting plasma blood glucose level of 130 mg/dL is an indication of:
A) hypoglycemia. B) glycogenemia. C) diabetes mellitus. D) glycemia.
The Murphy eye on an endotracheal tube:
A) provides ventilation in the event the distal tip becomes obstructed B) facilitates insertion by providing a direct line of sight C) facilitates maintenance of low cuff pressures by relieving excess pressure in the cuff D) facilitates secretion removal above the cuff of the endotracheal tube
The field of ________ deals with the ordering, maintaining, preparing, and distributing prescription medications
a. nursing b. medicine c. pharmacy d. medication