A client is demonstrating the technique for mixing regular and NPH insulins in the same syringe. A nurse evaluates that further instruction is required if the client first:
A. Aspirates and injects air equal to the regular insulin dose into the vial and withdraws the regular insulin
B. Aspirates and injects air equal to the NPH insulin into the vial but does not withdraw the medication
C. Withdraws the proper amount of NPH insulin before withdrawing the regular insulin
D. Calculates the combined total of insulin after withdrawal of the NPH insulin
A
A. Correct technique requires that air is injected into the NPH insulin first.
B, C, and D. This demonstrates correct technique.
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When caring for a client with hypomagnesemia, the nurse should also expect which of these lab results?
a. decreased levels of calcium and potassium b. decreased levels of phosphorus and sodium c. increased levels of calcium and potassium d. increased levels of phosphorus and sodium
A patient with a history of seizure disorders is receiving both ethosuximide (Zarontin) and phen-ytoin (Dilantin). Assess the following serum laboratory test results, and select the one that would indicate an expected drug interaction
a. Increased ethosuximide concentration b. Decreased ethosuximide concentration c. Increased phenytoin concentration d. Decreased phenytoin concentration
A nurse is caring for a patient in the immediate postoperative period after surgery in which a spinal anesthetic was used. The patient has not voided and complains of headache
The patient has a pulse of 62 beats per minute, a respiratory rate of 16 breaths per minute, and a blood pres-sure of 92/48 mm Hg. Which action by the nurse is appropriate? a. Contact the anesthetist to request an order for ephedrine. b. Have the patient sit up to relieve the headache pain. c. Lower the head of the bed to a 10- to 15-degree head-down position. d. Obtain an order for a urinary catheter for urinary retention.
The leukocyte count of an older adult patient is elevated. The nurse shows the best understanding of the effect of aging on body function when
a. checking the patient for drug allergies be-fore requesting an antibiotic prescription. b. asking that the patient's temperature be taken before notifying the physician. c. encouraging the patient to drink several glasses of water and then repeat the labor-atory tests. d. having the patient produce a urine sample and requesting a stat urinalysis.