20% can be reduced to its lowest term expressed as:
1. 1/6
2. 1/5
3. 2/5
4. 2/4
2
A percentage converted to a fraction should also be reduced to its lowest common denominator when appropriate; 20% is 20/100 or 1/5.
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A patient on mechanical ventilation is receiving total parenteral nutrition (TPN). Which of the following is true?
a. Excessive calorie intake can cause an increase in PaCO2 . b. The patient's head should remain elevated at 45 degrees to avoid aspiration. c. Lipid intake should be maintained at greater than 2 g/kg/day. d. TPN is preferred over the use of enteral feeding to avoid the complication of aspiration.
When teaching family members to care for the patient with dementia, the nurse must be sure that they understand two important concepts, which are that the patient usually:
1. forgets things relatively quickly and is usually unable to learn new things. 2. can remember new tasks but will forget any previously taught tasks. 3. cannot learn new information but will probably remember anything you ask about the past. 4. responds well to reality orientation and needs to have a flexible schedule.
The nurse is teaching the client about self-catheterization in the home setting. (Select all that apply.)
A. Wash hands before and after self-catheterization. B. Use a large-lumen catheter for each catheterization. C. Use lubricant on the tip of the catheter prior to insertion. D. Self-catheterize every 12 hours. E. Use sterile gloves for the procedure. F. Cleanse the catheter with soap and water between each use.G. Store the catheter in a clean towel or plastic bag between use.
The nurse hears a ventilator alarm from the hallway. Which action should the nurse take first?
a. Call for help. b. Check the patient. c. Turn off the alarm. d. Check the ventilator.