Nokea
A patient is postoperative day I following gastrostomy. The nurse is planning interventions to address the nursing diagnosis of Risk for Infection Related to Presence of Wound and Tube. What intervention is most appropriate?
- A. Administer antibiotics via the tube as ordered.
- B. Wash the area around the tube with soap and water daily.
- C. Cleanse the skin within 2 cm of the insertion site with hydrogen peroxide once per shift.
- D. Irrigate the skin surrounding the insertion site with normal saline before each use.
Correct Answer: B
Rationale: Infection can be prevented by keeping the skin near the insertion site clean using soap and water. Hydrogen peroxide is not used, due to associated skin irritation. The skin around the site is not irrigated with normal saline and antibiotics are not administered to prevent site infection.
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A nurse is creating a care plan for a patient with a nasogastric tube. How should the nurse direct other members of the care team to check correct placement of the tube?
- A. Auscultate the patients abdomen after injecting air through the tube.
- B. Assess the color and pH of aspirate.
- C. Locate the marking made after the initial x-ray confirming placement.
- D. Use a combination of at least two accepted methods for confirming placement.
Correct Answer: D
Rationale: There are a variety of methods to check tube placement. The safest way to confirm placement is to utilize a combination of assessment methods.
A nurse is aware of the high incidence of catheter-related bloodstream infections in patients receiving parenteral nutrition. What nursing action has the greatest potential to reduce catheter-related bloodstream infections?
- A. Use clean technique and wear a mask during dressing changes.
- B. Change the dressing no more than weekly.
- C. Apply antibiotic ointment around the site with each dressing change.
- D. Irrigate the insertion site with sterile water during each dressing change.
Correct Answer: B
Rationale: The CDC (2011) recommends changing CVAD dressings not more than every 7 days unless the dressing is damp, bloody, loose, or soiled. Sterile technique (not clean technique) is used. Irrigation and antibiotic ointments are not used.
A patients enteral feedings have been determined to be too concentrated based on the patients development of dumping syndrome. What physiologic phenomenon caused this patients complication of enteral feeding?
- A. Increased gastric secretion of HCl and gastrin because of high osmolality of feeds
- B. Entry of large amounts of water into the small intestine because of osmotic pressure
- C. Mucosal irritation of the stomach and small intestine by the high concentration of the feed
- D. Acid-base imbalance resulting from the high volume of solutes in the feed
Correct Answer: B
Rationale: When a concentrated solution of high osmolality entering the intestines is taken in quickly or in large amounts, water moves rapidly into the intestinal lumen from fluid surrounding the organs and the vascular compartment. This results in dumping syndrome. Dumping syndrome is not the result of changes in HCl or gastrin levels. It is not caused by an acid-base imbalance or direct irritation of the GI mucosa.
A patient is concerned about leakage of gastric contents out of the gastric sump tube the nurse has just inserted. What would the nurse do to prevent reflux gastric contents from coming through the blue vent of a gastric sump tube?
- A. Prime the tubing with 20 mL of normal saline.
- B. Keep the vent lumen above the patients waist.
- C. Maintain the patient in a high Fowlers position.
- D. Have the patient pin the tube to the thigh.
Correct Answer: B
Rationale: The blue vent lumen should be kept above the patients waist to prevent reflux of gastric contents through it; otherwise it acts as a siphon. A one-way anti-reflux valve seated in the blue pigtail can prevent the reflux of gastric contents out the vent lumen. To prevent reflux, the nurse does not prime the tubing, maintain the patient in a high Fowlers position, or have the patient pin the tube to the thigh.
A nurse is caring for a patient who has an order to discontinue the administration of parenteral nutrition. What should the nurse do to prevent the occurrence of rebound hypoglycemia in the patient?
- A. Administer an isotonic dextrose solution for 1 to 2 hours after discontinuing the PN.
- B. Administer a hypertonic dextrose solution for 1 to 2 hours after discontinuing the PN.
- C. Administer 3 ampules of dextrose 50% immediately prior to discontinuing the PN.
- D. Administer 3 ampules of dextrose 50% 1 hour after discontinuing the PN.
Correct Answer: A
Rationale: After administration of the PN solution is gradually discontinued, an isotonic dextrose solution is administered for 1 to 2 hours to protect against rebound hypoglycemia. The other listed actions would likely cause hyperglycemia.