nurs 327 exam 3 chapter 44
A nurse is preparing to administer a 500 mL bolus tube feeding to a patient. The nurse anticipates administering this feeding over which time frame?
10 to 15 minutes Explanation: Typically a bolus tube feeding of 300 to 500 mL requires about 10 to 15 minutes to complete.
A client has been prescribed a protein intake of 0.6 g/kg of body weight. The client weighs 154 pounds. The nurse calculates the daily protein intake to be how many grams? Enter the correct number ONLY.
42 Explanation: The client's weight of 154 pounds is equal to 70 kg. The client is to receive 0.6 g of protein for each 1 kg of body weight. 0.6 g/kg x 70 kg = 42 grams.
A client is receiving a parenteral nutrition admixture that contains carbohydrates, electrolytes, vitamins, trace minerals, and sterile water and is now scheduled to receive an intravenous fat emulsion (Intralipid). What is the best action by the nurse?
Attaches the fat emulsion tubing to a Y connector close to the infusion site Explanation: An intravenous fat emulsion is attached to a Y connector close to the infusion site. The fat emulsion is administered simultaneously with the parenteral nutrition admixture. A separate peripheral IV site is not necessary. The fat emulsion is not administered through a filter.
The primary source of microorganisms for catheter-related infections are the skin and which of the following?
Catheter hub Explanation: The primary sources of microorganisms for catheter-related infections are the skin and the catheter hub. The catheter site is covered with an occlusive gauze dressing that is usually changed every other day.
A nurse is caring for a client receiving parenteral nutrition at home. The client was discharged from the acute care facility 4 days ago. What would the nurse include in the client's plan of care? Select all that apply.
Daily weights Intake and output monitoring Calorie counts for oral nutrients Explanation: For the client receiving parenteral nutrition at home, the nurse would obtain daily weights initially, decreasing them to two to three times per week once the client is stable. Intake and output monitoring also is necessary to evaluate fluid status. Calorie counts of oral nutrients are used to provide additional information about the client's nutritional status. Transparent dressings are changed weekly. Activity is encouraged based on the client's ability to maintain muscle tone. Strict bedrest is not appropriate.
Which tube is a nasoenteric feeding tube?
Dobbhoff Explanation: The Dobbhoff tube is a nasoentreric feeding tube. Nasogastric tubes include Levin, a gastric sump, and Sengstaken-Blakemore tubes.
The nurse is caring for a comatose patient and administering gastrostomy feedings. What does the nurse understand is the reason that gastrostomy feedings are preferred to nasogastric (NG) feedings in the comatose patient?
Gastroesophageal sphincter is intact, lessening the possibility of regurgitation. Explanation: Gastrostomy is preferred over NG feedings in the patient who is comatose because the gastroesophageal sphincter remains intact, making regurgitation and aspiration less likely.
The nurse is managing a gastric (Salem) sump tube for a patient who has an intestinal obstruction and will be going to surgery. What interventions should the nurse perform to make sure the tube is functioning properly?
Keep the vent lumen above the patient's waist to prevent gastric content reflux. Explanation: The blue vent lumen should be kept above the patient's waist to prevent reflux of gastric contents through it; otherwise, it acts as a siphon.
The nurse cares for a client who receivies continuous enteral tube feedings and who is at low risk for aspiration. The nurse assesses the gastric residual volume to be 350 mL. The nurse determines which action is correct?
Monitoring the feeding closely. Explanation: High residual volumes (>200 mL) should alert the nurse to monitor the client more closely. Increasing the feeding rate will increase the residual volume. Lowering the head of the bed increases the client's risk for aspiration.
The nurse observes dry mucous membranes in a client who is receiving tube feedings after an oral surgery. The client also reports unpleasant tastes and odors. Which measure should be included in the client's plan of care?
Provide frequent mouth care. Explanation: Frequent mouth care helps to relieve the discomfort from dryness and unpleasant odors and tastes. It can be done with the help of ice chips and analgesic throat lozenges, gargles, or sprays. Adequate hydration is essential. If urine output is less than less than 500 mL/day, formula and additional water can be given as ordered. Keeping the feeding formula refrigerated and unopened until it is ready for use and flushing the tube with water before adding feedings are measures to protect the client from infections.
A patient is receiving continuous tube feedings. The nurse would maintain the patient in which position at all times?
Semi-Fowler's with the head of the bed elevated 30 to 45 degrees Explanation: For the patient receiving continuous enteral feedings, the nurse would position the patient in the semi-Fowler's position with the head of the bed elevated 30 to 45 degrees at all times to reduce the risk of reflux and aspiration. This is the only appropriate patient position.
The nurse is inserting a Levin tube for a patient for gastric decompression. The tube should be inserted to 6 to 10 cm beyond what length?
The distance measured from the tip of the nose to the earlobe and from the earlobe to the xiphoid process Explanation: Before inserting the tube, the nurse determines the length that will be needed to reach the stomach or the small intestine. A mark is made on the tube to indicate the desired length. This length is traditionally determined by (1) measuring the distance from the tip of the nose to the earlobe and from the earlobe to the xiphoid process, and (2) adding up to 15 cm (6 in) for NG placement or at least 20 to 25 cm (8 to 10 in) or more for intestinal placement.
To ensure patency of central venous line ports, diluted heparin flushes are used
daily when not in use. Explanation: Daily instillation of dilute heparin flush when a port is not in use will maintain the port. Continuous infusion maintains the patency of each port. Heparin flushes are used after each intermittent infusion. Heparin flushes are used after blood drawing to prevent clotting of blood within the port. Heparin flush of ports is not necessary if a line is to be discontinued.
The nurse prepares to administer all of a client's medications via feeding tube. The nurse consults the pharmacist and/or physician when the nurse notes which type of oral medication on the client's medication administration record?
enteric-coated tablets Explanation: Enteric-coated tablets are meant to be digested in the intestinal tract and may be destroyed by stomach acids. A change in the form of medication is necessary for clients with tube feedings. Simple compressed tablets may be crushed and dissolved in water for clients receiving oral medications by feeding tube. Buccal or sublingual tablets are absorbed by mucous membranes and may be given as intended to the client undergoing tube feedings. The nurse may make an opening in the capsule and squeeze out contents for administration by feeding tube.
The nurse recognizes that medium-length nasoenteric tubes are used for
feeding. Explanation: Placement of the tube must be verified prior to any feeding. A gastric sump and nasoenteric tube are used for gastrointestinal decompression. Nasoenteric tubes are used for feeding. Gastric sump tubes are used to decompress the stomach and keep it empty.
The nurse cares for a client who receives parenteral nutrition (PN). The nurse notes on the care plan that the catheter will need to be removed 6 weeks after insertion and that the client's venous access device is a
nontunneled central catheter. Explanation: Nontunneled central catheters are used for short-term (less than 6 weeks) IV therapy in acute care settings. The subclavian vein is the most common vessel used because the subclavian area provides a stable insertion site to which the catheter can be anchored; it allows the client freedom of movement and provides easy access to the dressing site. Peripherally inserted central catheter (PICC) lines may be used for intermediate terms (3 to 12 months). Tunneled central catheters are for long-term use and may remain in place for many years. Implanted ports are devices also used for long-term home IV therapy (e.g., Port-A-Cath, Mediport, Hickman Port, P.A.S. Port)
The client is on a continuous tube feeding. The nurse determines the tube placement should be checked every
shift. Explanation: Each nurse caring for the client is responsible for verifying that the tube is located in the proper area for continuous feeding. Checking for placement each hour is unnecessary unless the client is extremely restless or there is basis for rechecking the tube due to other client activities. Checking for placement every 12 or 24 hours does not meet the standard of care for the client receiving continuous tube feedings.
The most significant complication related to continuous tube feedings is
the increased potential for aspiration. Explanation: Because the normal swallowing mechanism is bypassed, consideration of the danger of aspiration must be foremost in the mind of the nurse caring for the client receiving continuous tube feedings. Tube feedings preserve GI integrity by intraluminal delivery of nutrients. Tube feedings preserve the normal sequence of intestinal and hepatic metabolism. Tube feedings maintain fat metabolism and lipoprotein synthesis.