FOR NCLEX (500+ QUESTIONS) NCLEX PRACTICE QUESTIONS &
ANSWERS UPDATED 2026/2027 GRADED A+
1. Question
A 2-year-old child is receiving temporary total parenteral nutrition (TPN) through a central venous
line. This is the first day of TPN therapy. Although all of the following nursing actions must be
included in the plan of care of this child, which one would be a priority at this time?
, Incorrect
Correct Answer: C. Monitor serum glucose levels
Monitor serum glucose levels. Hyperglycemia may occur during the first day or 2 as the
child adapts to the high-glucose load of the TPN solution. Thus, a chief nursing
responsibility is blood glucose testing. Total parenteral nutrition (TPN), also known as
parenteral nutrition (PN) is a form of nutritional support given completely via the
bloodstream, intravenously with an IV pump. TPN administers proteins, carbohydrates,
fats, vitamins, and minerals. It aims to prevent and restore nutritional deficits, allowing
bowel rest while supplying adequate caloric intake and essential nutrients, and removing
antigenic mucosal stimuli (Perry et al., 2014).
Option A: With proper care, a central catheter can be maintained for several days
or even weeks for the delivery of TPN. Apply strict aseptic technique during
insertion, care, and maintenance. Frequently assess the CVC site for redness,
tenderness, or drainage. Notify the health care provider of any signs and
symptoms of infection.
Option B: Strict asepsis is to be observed during the placement of the catheter. A
chest radiograph should be taken prior to the commencement of feeding to
confirm the position of the catheter-tip and to exclude traumatic pneumothorax,
the commonest complication related to catheter placement.
Option D: Review lab values for increases and decreases out of the normal range.
Lab values include CBC, electrolytes, calcium, magnesium, phosphorus,
potassium, glucose, albumin, BUN (blood urea nitrogen), creatinine, triglycerides,
and transferrin.
2. Question
4. Question
When caring for a client with total parenteral nutrition (TPN), what is the most important
action on the part of the nurse?
,Correct Answer: C. Sterile technique for dressing change at IV site. Clients receiving TPN
are very susceptible to infection. The concentrated glucose solutions are a good medium
for bacterial growth. Strict sterile technique is crucial in preventing infection at IV
infusion sites. Catheter-related sepsis rates have decreased since the introduction of
guidelines that emphasize sterile techniques for catheter insertion and skin care around
the insertion site. The increasing use of dedicated teams of physicians and nurses who
specialize in various procedures including catheter insertion also has accounted for a
decrease in catheter-related infection rates.
Option A: Progress of patients with a TPN line should be followed on a flowchart.
An interdisciplinary nutrition team, if available, should monitor patients. Weight,
complete blood count, electrolytes, and blood urea nitrogen should be monitored
often (eg, daily for inpatients). Plasma glucose should be monitored every 6 hours
until patients and glucose levels become stable. Fluid intake and output should be
monitored continuously. When patients become stable, blood tests can be done
much less often.
Option B: Volume overload (suggested by > 1 kg/day weight gain) may occur
when patients have high daily energy requirements and thus require large fluid
volumes.
Option D: Forty?one percent of procedures resulted in atrial arrhythmias and 25%
produced some degree of ventricular ectopy, 30% of these were ventricular
couplets or greater. Ventricular ectopy was significantly more common in shorter
patients and when the catheter was inserted from the right subclavian position
(43% ventricular ectopy vs 10% at the other sites). Other variables such as age,
cardiac history, serum potassium, type of procedure, and catheter brand were
not significant.
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6
7. Question
While providing home care to a client with congestive heart failure, the nurse is asked how long