Chapter 12 Parenteral Nutrition

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Chapter 12  Parenteral Nutrition

 

 

Complete Chapter Questions And Answers
 

Sample Questions

 

Multiple Choice
Identify the choice that best completes the statement or answers the question.

____ 1. A nurse is reviewing the medical record for a client with a nursing diagnosis of Altered nutrition: Less than body requirements. Which assessment data is the best indicator for continued need of additional nutritional support?
a.
Intake and output
b.
Calorie count
c.
Serum electrolytes
d.
Trace element levels

____ 2. A physician orders parenteral proteins for a client who is emaciated. A nurse orders the proteins from the pharmacy knowing that parenteral proteins are supplied as:
a.
synthetic crystalline amino acids.
b.
casein amino acids.
c.
immunoglobulins.
d.
albumin.

____ 3. A physician orders a total nutrient admixture (TNA) solution for a client diagnosed with severe anorexia nervosa. A nurse administers the solution knowing that TNA consists of a combination of:
a.
platelets, plasma, and white blood cells.
b.
fats, carbohydrates, and proteins.
c.
fats, electrolytes, and trace elements.
d.
carbohydrates, proteins, and heparin.

____ 4. A nurse is instructed to add heparin to a client’s TPN per a physician’s order. What is the purpose of adding heparin to a TPN solution?
a.
To enhance blood glucose levels
b.
To thin the TPN solution so that it easily infuses
c.
To decrease the incidence of subclavian vein thrombosis
d.
To prevent gastric ulcers

____ 5. A clinical nurse specialist is conducting an in-service for critical-care nurses regarding the administration of cyclic TPN. Which key point should be included in the in-service?
a.
It is indicated for clients receiving continuous, stabilized TPN.
b.
It is indicated for short-term parenteral nutrition.
c.
It must be escalated to maintain rate
d.
The dose must be tapered to avoid abrupt changes in glucose levels.

 

Answer Section

MULTIPLE CHOICE

1. ANS: B
The best indicator of whether a client is taking in adequate oral nourishment following TPN is a calorie count. This gives an idea of the total calories consumed and the distribution of the client’s diet in terms of protein, fat, and carbohydrate. Intake and output is useful as a measure of fluid balance, and the laboratory studies previously identified give an indication of electrolyte balance.
Reference: Ackley, B. J., & Ladwig, G. A. B. (2010). Nursing diagnosis handbook: An evidence-based guide to planning care (9th ed.). St. Louis, MO: Mosby Elsevier.

PTS: 1 KEY: Cognitive Level: Application

2. ANS: A
Protein is a body-building nutrient that promotes tissue growth, repair, and the replacement of body cells. Parenteral proteins are elemental, providing a synthetic crystalline amino acid that does not cause an antigenic reaction.
Reference: Phillips, L. D., & Gorski, L. (2014). Parenteral nutrition. In Manual of I.V. therapeutics: Evidence-based infusion therapy (6th ed.). Philadelphia, PA: F.A. Davis.

PTS: 1 KEY: Cognitive Level: Application

3. ANS: B
TNA are systems that hold combinations of dextrose, amino acids, and fat emulsions in one container. It is also referred to as all-in-one or three-in-one.
Reference: Phillips, L. D., & Gorski, L. (2014). Parenteral nutrition. In Manual of I.V. therapeutics: Evidence-based infusion therapy (6th ed.). Philadelphia, PA: F.A. Davis.

PTS: 1 KEY: Cognitive Level: Application

4. ANS: C
Heparin doses of 100 to 300 units/L have been ordered to decrease the incidence of subclavian vein thrombosis.
Reference: Phillips, L. D., & Gorski, L. (2014). Parenteral nutrition. In Manual of I.V. therapeutics: Evidence-based infusion therapy (6th ed.). Philadelphia, PA: F.A. Davis.

PTS: 1 KEY: Cognitive Level: Application

5. ANS: A
Cyclic TPN is used for long-term stabilized clients. Cyclic TPN is not routinely used for short-term therapy, and after clients receive cyclic TPN, there is no need to escalate or taper doses, because the glucose response has been stabilized.
Reference: Phillips, L. D., & Gorski, L. (2014). Parenteral nutrition. In Manual of I.V. therapeutics: Evidence-based infusion therapy (6th ed.). Philadelphia, PA: F.A. Davis.

PTS: 1 KEY: Cognitive Level: Application

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