The practical nurse (PN) is completing a focused assessment on a client who is prescribed oxygen at 3 liters per minute by nasal cannula. Which assessment finding by the PN requires immediate action?

The nurse is caring for four clients: Client A, who has emphysema and whose oxygen saturation is 94%; Client B, with a postoperative hemoglobin of 8.2 mg/dL (82 g/L); Client C, newly admitted with a potassium level of 3.8 mEq/L (3.8 mmol/L); and Client D, scheduled for an appendectomy who has a white blood cell (WBC) count of 14,000 mm (14 x 10^9/L). Which intervention should the nurse implement? Reference Range:. Hemoglobin [14 to 18 g/dL (140 to 180 g/L)]. Potassium [3.5 to 5.0 mEq/L (3.5 to 5.0 mmol/L)]. White Blood Cell [5000 to 10,000/mm² (5 to 10 x 10^9/L)].

A client with chronic kidney disease receives a prescription for darbepoetin alfa 40 mcg subcutaneous every 7 days.
The darbepoetin alfa vial is labeled, "60 mcg/mL." How many mL should the nurse administer?

A client is admitted following a motor vehicle collision.
When assessing the client's level of consciousness, the nurse notes that the client no longer responds to commands.
The nurse initiates a painful stimulus and the client responds by pulling the arms inward with elbows and wrists flexed and extending the legs with the toes pointed downward.
Which action should the nurse implement?

A female client who is admitted to the mental health unit for opiate dependency is receiving clonidine 0.1 mg by mouth (PO) for withdrawal symptoms.
The client begins to complain of feeling nervous and tells the nurse that her bones are itching.
Which finding should the nurse identify as a contraindication for administering the medication?

After years of struggling with weight management, a middle-age man is evaluated for gastroplasty.
He has experienced difficulty with managing his diabetes mellitus and hypertension, but he is approved for surgery.
Which intervention is most important for the nurse to include in this client's plan of care?