NU 643 FINAL STUDY GUIDE QUESTIONS WITH
CORRECT ANSWERS 2025 | RATED A+
◉ NG tube for feeding tube. Answer: used for short periods (less
than 30 days);
nasogastric tubes: go straight into the stomach;
nasointestinal tubes: smaller bore, more flexible, preferred if getting
tube feeding for a week or more, waited and advance into the small
bowel past through the stomach
◉ Know how to check placement of a feeding tube before starting
feedings. Answer: **check placement of tube by aspirating
**check pH
chest x ray
insufflation of air into tube while auscultating abdomen is not
reliable means to determine position of feeding tube
◉ Know how to check placement of a nasogastric tube. Answer:
initial xray
re-verify before giving meds or bolus feeding
re-verify every 4-6 hours during continual feedings
color of aspirate and check pH and auscultation (inject air embolus
and listen to hear whoosh to see if it's in the stomach)
,◉ Describe how to check residual and know what to do with
aspirant. Answer: q4-6h for continual feedings; before feeding bolus
feeding
draw up 30 mL of air, connected syringe to ng tube, flush with air,
pull back slowly to aspirate total amount of gastric contents
return contents to stomach unless volume exceeds 200mL
flush with 30 mL of water
◉ Describe how to give feedings and medications through a feeding
tube. Answer: continual feeding: use enteral pump
intermittent feeding: bolus feeding, syringe and drip in by gravity
administer at room temp and auscultate for bowel sounds, patient in
high fowler's or trendlenburg, verify placement, check residual
◉ Describe how to care for a gastrotomy or jejunostomy tube.
Answer: Exit site may have a dressing or be open; assess the site for
excoriation, drainage, signs of infection, or bleeding (q 4-6 hrs);
cleanse around site w/ warm water and mild soap; place dressing if
indicated; doc. Appearance of site, drainage noted, and application of
dressing
◉ Procedural steps of caring for a gastrotomy or jejunostomy tube.
Answer: · 1 Determine whether exit site is left open to air or if a
,dressing is indicated. Check health care provider's order or verify
agency policy
· 2 Perform hand hygiene and apply clean gloves
· 3 Remove old dressing and discard in appropriate container.
· 4 Assess exit site for evidence of excoriation, drainage, infection, or
bleeding.
· 5 Cleanse skin around site with warm water and mild soap using 4
× 4 inch gauzes.
· 6 Rotate external bumper 90 degrees (see Fig. 31-4).
· 7 Dry site completely
· 8 Apply thin layer of protective skin barrier to exit site if indicated
(e.g., site excoriated).
· 9 If dressing is ordered, place drain-gauze dressing over external
bar. NOTE: Do not place dressing under external bar; this can cause
gastric tissue erosion or internal abdominal wall pressure.
· 10 Secure dressing with tape.
· 11 Place date, time, and initials on new dressing.
· 12 A and dispose of supplies. Perform hand hygiene.
· 13 Document in nurse' notes appearance of exit site, drainage
noted, and dressing application.
· 14 Report to health care provider any exit site complications.
, ◉ Risk factors for nutritional problems. Answer: Clear- or full-liquid
diets for more than 3 days without nutrient supplementation or
inappropriate or insufficient nutrient supplementation
•Intravenous feeding (dextrose or saline) or NPO for more than 3
days without supplementation
•Low intakes of prescribed diet or tube feedings
•Weight 20% above or 10% below desirable body weight
(accounting for edema)
•Pregnancy weight gain deviating from normal patterns
•Diagnoses that increase nutritional needs or decrease nutrient
intake (or both): cancer, malabsorption, diarrhea, hyperthyroidism,
excessive inflammation, postoperative status, hemorrhage, infected
or draining wounds, burns, infection, major trauma
•Chronic use of drugs, especially alcohol, that affect nutritional
intake
•Alterations in chewing, swallowing, appetite, taste, and smell
•Body temperature consistently above 37° C (98.6° F) for more than
2 days
•Hematocrit: <43% in men, <37% in women; hemoglobin <14 g/dL
in men, <12 g/dL in women
Absolute decrease in lymphocyte count (<1500 cells/mm3)
•Elevated (>250 mg/dL) or decreased (<130 mg/dL) total plasma
cholesterol
Serum albumin <3 g/dL in patients without renal or liver disease,
generalized dermatitis, overhydration.
CORRECT ANSWERS 2025 | RATED A+
◉ NG tube for feeding tube. Answer: used for short periods (less
than 30 days);
nasogastric tubes: go straight into the stomach;
nasointestinal tubes: smaller bore, more flexible, preferred if getting
tube feeding for a week or more, waited and advance into the small
bowel past through the stomach
◉ Know how to check placement of a feeding tube before starting
feedings. Answer: **check placement of tube by aspirating
**check pH
chest x ray
insufflation of air into tube while auscultating abdomen is not
reliable means to determine position of feeding tube
◉ Know how to check placement of a nasogastric tube. Answer:
initial xray
re-verify before giving meds or bolus feeding
re-verify every 4-6 hours during continual feedings
color of aspirate and check pH and auscultation (inject air embolus
and listen to hear whoosh to see if it's in the stomach)
,◉ Describe how to check residual and know what to do with
aspirant. Answer: q4-6h for continual feedings; before feeding bolus
feeding
draw up 30 mL of air, connected syringe to ng tube, flush with air,
pull back slowly to aspirate total amount of gastric contents
return contents to stomach unless volume exceeds 200mL
flush with 30 mL of water
◉ Describe how to give feedings and medications through a feeding
tube. Answer: continual feeding: use enteral pump
intermittent feeding: bolus feeding, syringe and drip in by gravity
administer at room temp and auscultate for bowel sounds, patient in
high fowler's or trendlenburg, verify placement, check residual
◉ Describe how to care for a gastrotomy or jejunostomy tube.
Answer: Exit site may have a dressing or be open; assess the site for
excoriation, drainage, signs of infection, or bleeding (q 4-6 hrs);
cleanse around site w/ warm water and mild soap; place dressing if
indicated; doc. Appearance of site, drainage noted, and application of
dressing
◉ Procedural steps of caring for a gastrotomy or jejunostomy tube.
Answer: · 1 Determine whether exit site is left open to air or if a
,dressing is indicated. Check health care provider's order or verify
agency policy
· 2 Perform hand hygiene and apply clean gloves
· 3 Remove old dressing and discard in appropriate container.
· 4 Assess exit site for evidence of excoriation, drainage, infection, or
bleeding.
· 5 Cleanse skin around site with warm water and mild soap using 4
× 4 inch gauzes.
· 6 Rotate external bumper 90 degrees (see Fig. 31-4).
· 7 Dry site completely
· 8 Apply thin layer of protective skin barrier to exit site if indicated
(e.g., site excoriated).
· 9 If dressing is ordered, place drain-gauze dressing over external
bar. NOTE: Do not place dressing under external bar; this can cause
gastric tissue erosion or internal abdominal wall pressure.
· 10 Secure dressing with tape.
· 11 Place date, time, and initials on new dressing.
· 12 A and dispose of supplies. Perform hand hygiene.
· 13 Document in nurse' notes appearance of exit site, drainage
noted, and dressing application.
· 14 Report to health care provider any exit site complications.
, ◉ Risk factors for nutritional problems. Answer: Clear- or full-liquid
diets for more than 3 days without nutrient supplementation or
inappropriate or insufficient nutrient supplementation
•Intravenous feeding (dextrose or saline) or NPO for more than 3
days without supplementation
•Low intakes of prescribed diet or tube feedings
•Weight 20% above or 10% below desirable body weight
(accounting for edema)
•Pregnancy weight gain deviating from normal patterns
•Diagnoses that increase nutritional needs or decrease nutrient
intake (or both): cancer, malabsorption, diarrhea, hyperthyroidism,
excessive inflammation, postoperative status, hemorrhage, infected
or draining wounds, burns, infection, major trauma
•Chronic use of drugs, especially alcohol, that affect nutritional
intake
•Alterations in chewing, swallowing, appetite, taste, and smell
•Body temperature consistently above 37° C (98.6° F) for more than
2 days
•Hematocrit: <43% in men, <37% in women; hemoglobin <14 g/dL
in men, <12 g/dL in women
Absolute decrease in lymphocyte count (<1500 cells/mm3)
•Elevated (>250 mg/dL) or decreased (<130 mg/dL) total plasma
cholesterol
Serum albumin <3 g/dL in patients without renal or liver disease,
generalized dermatitis, overhydration.
