The care provider has prescribed intravenous hydromorphone, an opioid, for a client using client-controlled analgesia (pca) pump. the nurse is aware that this drug has a high abuse potential. under what category would hydromorphone be classified?

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many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.