Phenytoin has a narrow therapeutic index. The nurse recognizes that this characteristic indicates which of these?

A client who has had abdominal surgery has been discharged on a cholinergic drug to assist in increasing gastrointestinal peristalsis. The nurse will teach this client to look for which therapeutic effect?

A client is admitted with a fever of 102.80 F (39.30 C), origin unknown. Assessment reveals cloudy, foul-smelling urine that is dark amber in color. Orders have just been written to obtain stat urine and blood cultures and to administer an antibiotic intravenously. The nurse will complete these orders in which sequence?

A client is receiving gabapentin, an anticonvulsant, but has no history of seizures. The nurse expects that the client is receiving this drug for which condition?

The nurse is evaluating the laboratory results of a client who has received chemotherapy. The loss of which blood cell leads to lack of energy, fatigue, intolerance of activity and hypoxemia?

During therapy with the hematopoietic drug epoetin alfa, the nurse instructs the client about adverse effects that may occur, such as:

A client has excessive and painful gas. The nurse checks the client's medication orders and prepares to administer which drug for this problem?

A client who has been taking cimetidine for hyperacidity calls the clinic to say that the medication has not been effective. The nurse reviews his history and notes that which factor may be influencing the effectiveness of this drug?

Before beginning a client's therapy with selective serotonin reuptake inhibitor (SSRI) antidepressants, the nurse will assess for concurrent use of which medications or medication class?

Methotrexate is ordered for a client with a malignant tumor, and the nurse is providing education about self-care after the chemotherapy is given. Which statements by the nurse are appropriate for the client receiving methotrexate? (Select all that apply.)

A nurse is caring for a male client who has peripheral vascular disease (PVC)), is taking dietary supplements, and has a new prescription for warfarin. The nurse should instruct the client to stop which of the following supplements prior to starting the warfarin? (Select all that apply.)