A client's daily weight shows a weight loss of 4.5 pounds. This loss of weight means the client has lost which of the following?
1. 4.5 liters of fluid
2. 9 liters of fluid
3. 2 liters of fluid
4. 1 liter of emesis
ANS: 3
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You are an emergency-room nurse caring for a trauma patient. Your patient has the following arterial blood gas results: pH 7.26, PaCO2 28, HCO3 11 mEq/L. How would you interpret these results?
A) Respiratory acidosis with no compensation B) Metabolic alkalosis with a compensatory alkalosis C) Metabolic acidosis with no compensation D) Metabolic acidosis with a compensatory respiratory alkalosis
How does the drug levodopa contrast with dopamine? (Select all that apply.)
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A patient, age 26, is admitted to the burn unit with partial- and full-thickness burns to 20% of his body surface area as well as smoke-inhalation injury
Carbon monoxide intoxication secondary to smoke inhalation is often fatal because carbon monoxide a. binds with hemoglobin in place of oxygen. b. interferes with oxygen intake. c. is a respiratory depressant. d. is a toxic agent.
A patient you are caring for has had an ECG ordered. What do you need to do prior to electrode placement?
A) Clean the skin with providone-iodine solution prior to applying the electrodes B) Ensure that the area for electrode placement is dry C) Apply tincture of benzoin to the electrode sites and wait for it to become "tacky" D) Abrade the skin by rubbing the electrode sites briskly with a rough surface such as a clean dry gauze/washcloth