Zinacef 750 mg IV q 8h is ordered. This would be what type intravenous infusion?
A. replacement
B. KVO
C. therapeutic
D. maintenance
C
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A 70-year-old man has been diagnosed with angina pectoris and subsequently prescribed nitroglycerin spray to be used sublingually when he experiences chest pain. This drug will achieve relief of the patient's chest pain by:
A) Blocking sympathetic stimulation of the heart and reducing oxygen demand B) Increasing contractility and consequent cardiac output C) Blocking the a-delta pain fibers in the myocardium D) Dilating the blood vessels and reducing preload
In many patients with epilepsy, carbamazepine is preferred over phenytoin because:
a. its absorption is more rapid and less variable. b. it is not eliminated through the liver. c. its half-life is longer. d. it causes fewer side effects.
Which does the nurse use to select the proper site and equipment for a pulse oximeter sensor?
1. Earlobe for a client with parkinsonism 2. Clip-on probe for a client who has obesity 3. Disposable probe for client with latex allergy 4. Finger for client in postanesthesia recovery unit
The nurse notices that a child is increasingly apprehensive and has tachycardia after heart surgery. The chest tube drainage is now 8 ml/kg/hr. Which of the following should be the nurse's initial intervention?
a. Apply warming blankets. b. Notify the practitioner of these findings. c. Give additional pain medication per protocol. d. Encourage child to cough, turn, and deep breathe.