The physician has written an order for a client for a new antihypertensive drug. Why is it important that the nurse have an understanding of the drug's prototype?
1. Knowledge of the prototype allows the nurse to surmise important information about an unfamiliar drug in the same class.
2. If the nurse knows the actions and adverse effects of the prototype drug, this information can be relevant to use of the unfamiliar drug.
3. The safety profile for the prototype is the same as the safety profile for the unfamiliar drug.
4. Knowledge of the prototype drug's therapeutic or pharmacologic classification can offer useful information about the unfamiliar drug.
5. Traditional prototype drugs are often older and infrequently prescribed, and the information about them should not be used.
Correct Answer: 1,2,4
Rationale 1: Prototype drugs are the drugs to which all other drugs in the class are compared. Knowledge of the actions and effects of a prototype drug can be extended to an unfamiliar drug in the same class.
Rationale 2: Prototype drugs are the drugs to which all other drugs in the class are compared. Knowledge of the actions and adverse effects of a prototype drug can be extended to an unfamiliar drug in the same class.
Rationale 3: Knowledge of the prototype drug includes therapeutic effects, mechanism of action, adverse effects, and contraindications but may not include an accurate safety profile for the unfamiliar drug.
Rationale 4: Prototype drugs are the drugs to which all other drugs in the class are compared. Knowing how the prototype drug works will reveal important information about the unfamiliar drug.
Rationale 5: Over time, a newer prototype may be chosen, but the older traditional prototype drug still affords valuable information for that class of drugs.
Global Rationale: Prototype drugs are the drugs to which all other drugs in the class are compared. Knowledge of the actions and effects of a prototype drug can be extended to an unfamiliar drug in the same class. Knowledge of the prototype drug may not include an accurate safety profile for the unfamiliar drug. Over time, a newer prototype may be chosen, but the older traditional prototype drug still affords valuable information for that class of drugs.
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