CNSC Practice Questions and Correct Answers | Latest Update
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Course
CNSC
Institution
CNSC
In an intensive care setting, which of the following complications associated with malnutrition is
most likely to occur as a result of the failure to begin nutrition support early in the treatment
regimen?
→ ~~> Increased serum levels of protein-bound drugs
Which of the following is the ...
Best Grades | Must Pass | Latest Update | Correct Answers | 2024/2025
CNSC Practice Questions and Correct
Answers | Latest Update
In an intensive care setting, which of the following complications associated with malnutrition is
most likely to occur as a result of the failure to begin nutrition support early in the treatment
regimen?
→ ~~> Increased serum levels of protein-bound drugs
Which of the following is the inpatient glycemic target for critically ill patients?
1: 80-110 mg/dL
2: 140-180 mg/dL
3: 181-210 mg/dL
4: 211-240 mg/dL
→ ~~> 2: 140-180 mg/dL
Targets <110mg/dL are not recommended
Under conditions of sepsis and stress, which of the following metabolic alterations are most
likely to occur?
1: Increased glucose production and increased glucose uptake
2: Increased glucose production and decreased glucose uptake
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3: Decreased glucose production and decreased glucose uptake
4: Decreased glucose production and increased glucose uptake
→ ~~> 2: Increased glucose production and decreased glucose uptake
Stress hormones induce insulin resistance and hyperglycemia is commonly observed with
nutrition support. It is recommended that glucose levels be adequately controlled to avoid
polyuria and electrolyte disturbances.
Which of the following immunomodulating nutrients may be harmful in patients with severe
sepsis?
1: Arginine
2: Selenium
3: Nucleic acids
4: Omega-3 fatty acids
→ ~~> 1: Arginine
Nitric oxide can be detrimental by leading to coagulation abnormalities and altered
hemodynamic status. In this case, arginine could be considered harmful. Because of these
effects, there is still much debate over the value of arginine in nutrition support for critically ill
patients.
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Which of the following best describes enteral glutamine supplementation in the critically ill
patient not in multi organ failure?
1: Enteral glutamine decreases mortality
2: Enteral glutamine decreases ventilator days
3: Enteral glutamine decreases hospital length of stay
Which of the following are counter-regulatory hormones responsible for the hypercatabolism
observed in critically ill trauma patients?
1: Glycogen, insulin, norepinephrine
2: Glucagon, epinephrine, cortisol
3: Glycerol, serotonin, thymoglobulin
4: Glycerin, leptin, adenosine
→ ~~> 2: Glucagon, epinephrine, cortisol
In patients with burns, providing caloric support above energy expenditure has been found to
1: significantly decrease hospital length of stay.
2: improve wound healing and graft success.
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3: decrease fat accumulation and steatosis.
4: have no effect on preservation of lean body mass.
→ ~~> 4: have no effect on preservation of lean body mass.
Although patients with burns have increased needs, feeding in excess of energy expenditure
may cause hyperglycemia, hepatic steatosis, and prolonged ventilator dependence. One
study of critically ill burn patients showed that caloric delivery beyond 1.2 x measured resting
energy expenditure did not conserve lean body mass but was associated with increased fat
mass accumulation.
In pulmonary insufficiency, excessive calorie administration may cause increased blood pCO2
resulting in
1: metabolic acidosis.
2: metabolic alkalosis.
3: respiratory acidosis.
4: respiratory alkalosis.
→ ~~> 3: respiratory acidosis.
Which of the following is true of essential fatty acid deficiency (EFAD) in patients with cystic
fibrosis (CF)?
1: Routine supplementation of omega-3 fatty acids is essential in the management of CF
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