A group of nurses is reviewing several electrocardiograms (ECGs). The students demonstrate understanding of the waveforms when they identify which component as indicating ventricular repolarization?
A) P wave
B) QRS complex
C) ST segment
D) T wave
D
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A nurse is caring for a client who has developed phlebitis at a peripheral IV site. Which of the following actions should the nurse perform to avoid further complications and provide relief to the client?
A) Administer oxygen. B) Call for help. C) Discontinue the IV promptly. D) Elevate the affected arm.
The care plan for a child with disseminated intravascular coagulation (DIC) includes:
a. hospitalization at the first sign of bleeding. b. teaching the child relaxation techniques for pain control. c. management in the intensive care unit. d. provision of adequate hydration to prevent complications.
Which method of drug excretion excretes most drugs in their original, unmetabolized form?
1. Exhalation 2. Defecation 3. Sweating 4. Urination
A health teaching plan for a patient taking lithium should include instructions to:
a. maintain normal salt and fluids in the diet. b. drink twice the usual daily amount of fluid. c. double the lithium dose if diarrhea or vomiting occurs. d. avoid eating aged cheese, processed meats, and red wine.