CNSC EXAMS WITH VERIFIED QUESTIONS
AND CORRECT ANSWERS
A patient has been diagnosed with throat/neck cancer. The best form of nutrition support for them
would be
- ANSWERS-PEG
A patient is receiving 2000 kcal in a tube feeding with a kcal/nitrogen ratio of 130/1. The
patient is receiving ______grams of protein and _____ grams of nitrogen.
- ANSWERS-96, 15
A patient is receiving 2700 kcal in a tube feeding with a kcal/N ration of 150/1. He is receiving
approximately _____grams of protein and _____grams of nitrogen.
- ANSWERS-112, 18
A patient is receiving a standard fiber-containing formula via small bore nasogastric tube.
Medications are being provided by bolus administration and the feeding tube becomes occluded.
Which of the following measures is most feasible to prevent this from reoccurring?
- ANSWERS-Flush the feeding tube with 30 ml of water before and after administration of each
medication
A TPN solution for a 70 kg male contains 380ml 70% dextrose, 900 ml 10% amino acids, 270 ml
20% lipids. Calculate calories, grams of protein, dextrose load
- ANSWERS-1800 kcal, 90 grams of protein, 2.6 mg/kg/min
A TPN solution for a 70kg male contains 380 ml, 70% dextrose, 900ml 10% amino acids, 270 ml
20% lipids. Calculate calories, grams of protein, dextrose load (mg/kg/min)
- ANSWERS-1800 kcal, 90 grams of protein, 2.6 mg/kg/min
A tube feeding that provides 1.6 kcal/ml and it is run for 13 hours/day. What will be the
approximate rate that is needed to deliver 1800 kcal/day?
- ANSWERS-86
, All of the following precaution(s) should be observed to reduce the potential for microbial
contamination during enteral nutrition, EXCEPT:
- ANSWERS-Feeding tubes should be flush with distilled water only
Common causes of tube feeding formula intolerance and/or diarrhea include all of the following
EXCEPT:
- ANSWERS-Using a tube feeding formula with a 300 mOsm/kg H2O
Current guidelines from Canada, Europe and A.S.P.E.N. state the use of enteral formulas
supplemented with __________ should be avoided in critically ill patients.
- ANSWERS-Arginine
Early enteral nutrition support in critically ill patients results in positive clinical outcomes through all
of the following proposed mechanisms EXCEPT:
- ANSWERS-Exacerbation of the hypermetabolic response
How many calories does 1-L of 20% Dextrose contain?
- ANSWERS-680 calories
Indications for elemental formulas include
- ANSWERS-a. Short bowel syndrome
b. Malabsorption
c. Pancreatic exocrine insufficiency
Indications for elemental formulas include:
a. Short bowel syndrome
b. Malabsorption
c. Pancreatic exocrine insufficiency
d. All of the above
- ANSWERS-All of the above
Parenteral nutrition (PN) should be discontinued when which of the following criteria are met?
a. Clear liquid diet is ordered
b. Tube feeding is initiated at 25% of goal rate
c. Solid food is well tolerated by mouth
d. Advancement to a regular diet is poorly tolerated
- ANSWERS-Solid food is well tolerated by mouth
Patients who receive PN at home must meet criteria that allow them to receive reimbursement of
PN-associated costs from Medicare. Medicare considers a permanent condition to be in which at
least _____ days of therapy is needed.
- ANSWERS-90
Potential complications of nasogastric and nasoenteric tubes are:
a. Nasal mucosal ulcerations and esophageal perforation
b. Pulmonary aspiration
c. Pneumothorax
d. All of the above
- ANSWERS-All of the above
AND CORRECT ANSWERS
A patient has been diagnosed with throat/neck cancer. The best form of nutrition support for them
would be
- ANSWERS-PEG
A patient is receiving 2000 kcal in a tube feeding with a kcal/nitrogen ratio of 130/1. The
patient is receiving ______grams of protein and _____ grams of nitrogen.
- ANSWERS-96, 15
A patient is receiving 2700 kcal in a tube feeding with a kcal/N ration of 150/1. He is receiving
approximately _____grams of protein and _____grams of nitrogen.
- ANSWERS-112, 18
A patient is receiving a standard fiber-containing formula via small bore nasogastric tube.
Medications are being provided by bolus administration and the feeding tube becomes occluded.
Which of the following measures is most feasible to prevent this from reoccurring?
- ANSWERS-Flush the feeding tube with 30 ml of water before and after administration of each
medication
A TPN solution for a 70 kg male contains 380ml 70% dextrose, 900 ml 10% amino acids, 270 ml
20% lipids. Calculate calories, grams of protein, dextrose load
- ANSWERS-1800 kcal, 90 grams of protein, 2.6 mg/kg/min
A TPN solution for a 70kg male contains 380 ml, 70% dextrose, 900ml 10% amino acids, 270 ml
20% lipids. Calculate calories, grams of protein, dextrose load (mg/kg/min)
- ANSWERS-1800 kcal, 90 grams of protein, 2.6 mg/kg/min
A tube feeding that provides 1.6 kcal/ml and it is run for 13 hours/day. What will be the
approximate rate that is needed to deliver 1800 kcal/day?
- ANSWERS-86
, All of the following precaution(s) should be observed to reduce the potential for microbial
contamination during enteral nutrition, EXCEPT:
- ANSWERS-Feeding tubes should be flush with distilled water only
Common causes of tube feeding formula intolerance and/or diarrhea include all of the following
EXCEPT:
- ANSWERS-Using a tube feeding formula with a 300 mOsm/kg H2O
Current guidelines from Canada, Europe and A.S.P.E.N. state the use of enteral formulas
supplemented with __________ should be avoided in critically ill patients.
- ANSWERS-Arginine
Early enteral nutrition support in critically ill patients results in positive clinical outcomes through all
of the following proposed mechanisms EXCEPT:
- ANSWERS-Exacerbation of the hypermetabolic response
How many calories does 1-L of 20% Dextrose contain?
- ANSWERS-680 calories
Indications for elemental formulas include
- ANSWERS-a. Short bowel syndrome
b. Malabsorption
c. Pancreatic exocrine insufficiency
Indications for elemental formulas include:
a. Short bowel syndrome
b. Malabsorption
c. Pancreatic exocrine insufficiency
d. All of the above
- ANSWERS-All of the above
Parenteral nutrition (PN) should be discontinued when which of the following criteria are met?
a. Clear liquid diet is ordered
b. Tube feeding is initiated at 25% of goal rate
c. Solid food is well tolerated by mouth
d. Advancement to a regular diet is poorly tolerated
- ANSWERS-Solid food is well tolerated by mouth
Patients who receive PN at home must meet criteria that allow them to receive reimbursement of
PN-associated costs from Medicare. Medicare considers a permanent condition to be in which at
least _____ days of therapy is needed.
- ANSWERS-90
Potential complications of nasogastric and nasoenteric tubes are:
a. Nasal mucosal ulcerations and esophageal perforation
b. Pulmonary aspiration
c. Pneumothorax
d. All of the above
- ANSWERS-All of the above
