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CNSC Exam Questions and Answers- ASPEN Chapter 30
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CNSC Exam Questions and Answers- ASPEN Chapter 30
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CNSC Exam- ASPEN Chapter 30What is a usual length of a small intestine - Answer -400-800 cm
Cyclosporine after transplant may cause what electrolyte to be high - Answer -Potassium
What is fulminant hepatic failure - Answer -another name for acute liver failure, causes hypoglycemia
What concentration of sodium is needed in oral rehydration solution - Answer -90-120 meq/L
What lab value would most likely indicate cholestasis - Answer -Conjugated/ direct bilirubin
What is bilirubin - Answer -a orange-yellow pigment formed in the liver by the breakdown of
hemoglobin and excreted in bile
What mineral in PN can cause rigidity and where does it build up - Answer -Manganese
Brain
What is the average amount of fluid absorbed by the bowel - Answer -6-8 liters
How big is the duodenum? - Answer -25-40 cm
, what are the three main SBS variants and how much bowel is needed with each - Answer -
Jejunoileocolonic anastamosis- need only 30 cm of bowel
Jejunocolonic- need at least 60 cm
End jejunostomy- need 100cm
What happens in the terminal ileum that is of concern with SBS? - Answer -Vitamin B12 absorption
Enterohepatic recirculation of bile
Hypomagnesiumemia in SBS- why and how to manage - Answer -Occurs because of loss of magnesium
absorption in gut
Binding magnesium to free fatty acids that are not absorbed
Magnesium leads to low calcium
Correction of sodium is needed to correct magnesium
What is needed to prevent nephrolithiasis when colon is present - Answer -Low fat diet
Low oxalate
High calcium
Good hydration
Oxalates not able to bind with calcium due to excess fat which competes with oxalates
What two immunosuppresive drugs can result in hyperkalemia and hypomagnesemia - Answer -
Cyclosporine
Tacro
How do tacro and cyclosporine contribute to glucose changes - Answer -These inhibit pancreatic islet
cell function and insulin secretion which can lead to insulin resistance
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