The nurse is obtaining a nasal culture using a commercially prepared culture tube. After placing the swab in the culture tube, what should the nurse do next?
a. Take the swab and mix it in reagent to check for color changes.
b. Place the swab into a culture tube and add a reagent to the tube.
c. Label the specimen and enclose it in a plastic biohazard bag.
d. Place the swab into the tube, close it se-curely, and keep it warm.
C
Specimens must be properly labeled to avoid diagnostic and therapeutic errors. The nurse cannot evaluate the results of the culture; the fluid captures the microorganisms, and the technician mounts the fluid on slides and visualizes the specimen under the microscope. The nurse avoids adding reagents to the tube, then refrigerates the specimen after properly releasing the fluid.
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A patient is admitted to the emergency department in ventricular fibrillation. The patient is administered amiodarone hydrochloride (Cordarone). What is a major effect of this medication?
A) It produces skeletal muscle relaxation. B) It decreases automaticity in the ventricles. C) It stimulates the sympathetic nervous system. D) It slows the process of repolarization.
The nurse is aware that oral contraceptives are effective but associated with potential health risks that must be carefully considered
Which of the following patients most likely faces the highest risk of experiencing the adverse effects of oral contraceptive use? A) A 29-year-old woman who had two medical abortions in her late teens. B) A 38-year-old diabetic woman who smokes one-and-a-half packs of cigarettes daily. C) A 30-year-old woman who has a sedentary lifestyle and a body mass index of 31 (obese). D) A 33-year-old woman who has four children, each of whom was delivered by caesarean section.
The patient with Parkinson's disease who has received ongoing therapy with dopaminergic drugs suddenly develops akinesia after a period of overall improvement in clinical status
Assess the following interpretations and choose the one that is applicable to this patient. a. The patient is now resistant to treatment with this type of drug. b. The patient is showing the "on-off phenomenon." c. The patient has developed an allergy to the drug. d. The patient has received too little of the drug over time.
The nurse is caring for a patient who is to receive furosemide (Lasix). Which of these laboratory results should the nurse review first?
a. Serum sodium b. Serum potassium c. Urine sodium d. Urine potassium