When reviewing the mechanism of action of a specific drug, the nurse reads that the drug works by selective enzyme interaction. Which of these processes describes selective enzyme interaction?

a. The drug alters cell membrane permeabil-ity.
b. The drug's effectiveness within the cell walls of the target tissue is enhanced.
c. The drug is attracted to a receptor on the cell wall, preventing an enzyme from binding to that receptor.
d. The drug binds to an enzyme molecule and inhibits or enhances the enzyme's ac-tion with the normal target cell.


ANS: D

Nursing

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For an LPN/LVN to motivate staff members to meet the goals of the organization, it is helpful if the nurse

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In which phase of drinking behavior of an alcoholic would you notice impaired reality testing and emotional disorganization?

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The nurse is collecting data on a 6-year-old child admitted with a possible urinary tract infection. Which vital sign measurement might indicate an infection?

A) Pulse rate 135 bpm B) Pulse oximetry 93% on room air C) Respirations 22 per minute D) Blood pressure 100/70

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