Which of these statements best describes the concept of half-life?

A client who is taking calcium supplements receives a prescription for ciprofloxacin for a respiratory infection. What must the nurse include in client teaching?

Which statement by a client indicates an understanding of self-care precautions when taking warfarin?

A client who is pregnant has a history of recurrent genital herpes virus. The client asks the nurse what will be done to suppress an outbreak when she is near term. What is the nurse's response?

Parents ask the nurse why an over-the-counter cough suppressant with sedative side effects is not recommended for infants. Which response by the nurse is correct?

The nurse notices that an order for intravenous gentamicin for a newly admitted client is half of the normal dose usually ordered for an adult. Before calling the provider for confirmation of the order, the nurse reviews the client's history to check for which preexisting condition that could have prompted the adjustment to the normal dose?

A client who has been taking a glucocorticoid for several months arrives in the clinic. The nurse notes the client's cheeks appear full, and a prominent hump of fat is present on the upper back. The nurse will ask the provider to order which of these laboratory tests?

A client who is receiving a final dose of intravenous cephalosporin complains of pain and irritation at the infusion site. The nurse observes signs of redness at the intravenous insertion site and along the vein. What is the nurse's action?

A client with an infection is being treated with vancomycin. The nurse providing care reviews the client's laboratory reports and notes that the client's blood urea nitrogen (BUN) and serum creatinine levels are newly elevated. What would be the appropriate nursing intervention?

A nurse is talking with a client who has peptic ulcer disease and starting therapy with sucralfate. What must the nurse include in the client education?

A nurse is giving discharge instructions to a client who is beginning theophylline. The nurse should tell the client that this medication might cause which of the following adverse effects?