Growth and Nutrition in Infants and Children

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Questions and Answers

What is one of the benefits of beginning enteral nutrition (EN) early?

  • Increases complications
  • Reduces disease severity (correct)
  • Decreases patient outcomes
  • Increases ICU length of stay

Which screening tool is used to assess malnutrition risk based on a scoring system that includes illness severity?

  • Nutritional Risk Score (NRS-2002) (correct)
  • Malnutrition Screening Tool (MST)
  • Short Nutritional Assessment Questionnaire (SNAQ)
  • Mini Nutritional Assessment (MNA)

What classification of malnutrition risk corresponds to a score between 6 and 10 when using the NUTRIC tool?

  • Moderate risk
  • High risk (correct)
  • No risk
  • Low risk

Which parameter is NOT typically included in a comprehensive nutritional assessment?

<p>Environmental factors (A)</p> Signup and view all the answers

In the Malnutrition Universal Screening Tool (MUST), a total score of 0-5 indicates what level of risk?

<p>Low risk (B)</p> Signup and view all the answers

What is the ideal goal for nitrogen retention to effectively retain protein?

<p>+3 to +5 grams (C)</p> Signup and view all the answers

What is the significance of C-Reactive Protein (CRP) levels in assessing protein status?

<p>An increase in CRP suggests inflammation, affecting prealbumin measurements. (B)</p> Signup and view all the answers

Which protein is represented by the normal range of 3.5 – 5 gm/dL?

<p>Albumin (D)</p> Signup and view all the answers

What does a nitrogen balance study primarily assess?

<p>The adequacy of protein repletion. (A)</p> Signup and view all the answers

What common non-urinary sources can contribute to nitrogen loss?

<p>Sweat and respiration. (B)</p> Signup and view all the answers

How is nitrogen balance calculated?

<p>Nitrogen Balance = (N in) – (N out). (B)</p> Signup and view all the answers

Which of the following statements about prealbumin is true?

<p>Prealbumin levels decrease as CRP levels rise. (A)</p> Signup and view all the answers

How much does an infant's length typically increase by the age of 12 months?

<p>50% (B)</p> Signup and view all the answers

What begins to happen to adipose tissue distribution after age two?

<p>Increased fat storage (C)</p> Signup and view all the answers

What is the normal range for transferrin in mg/dL?

<p>250 – 300 mg/dL (B)</p> Signup and view all the answers

What is the primary issue associated with malnutrition in children?

<p>Imbalance of essential nutrients (C)</p> Signup and view all the answers

During middle childhood, which statement is true regarding growth patterns?

<p>Growth is steady and constant. (B)</p> Signup and view all the answers

What is a potential risk for chronically undernourished children during refeeding?

<p>Refeeding Syndrome (B)</p> Signup and view all the answers

What happens to the rate of weight gain during adolescence?

<p>It increases rapidly. (B)</p> Signup and view all the answers

What does a Z-score in growth assessment indicate?

<p>Distance from the population mean in standard deviations. (A)</p> Signup and view all the answers

In which period do males generally grow taller than females?

<p>Adolescence (C)</p> Signup and view all the answers

What factors may lead to an increased caloric requirement in children?

<p>Growth spurts and underlying medical conditions (D)</p> Signup and view all the answers

What is indicated by a Z-score of -4.2 for weight in an assessment?

<p>Severely underweight (B)</p> Signup and view all the answers

What is a benefit of intact protein for burn patients?

<p>Reduces mortality rates (C)</p> Signup and view all the answers

When using partially digested protein, what is the recommended dosage?

<p>0.3 – 0.5 g/kg/day (D)</p> Signup and view all the answers

What is a potential effect of medium-chain fatty acids?

<p>Are more water-soluble than long-chain fatty acids (A)</p> Signup and view all the answers

What is a possible side effect of using simple glucose in oral supplements?

<p>Higher osmolality (D)</p> Signup and view all the answers

Which statement is true regarding probiotics?

<p>They may inhibit pathogenic bacterial growth (C)</p> Signup and view all the answers

Which vitamin is commonly associated with antioxidant effects?

<p>Vitamin C (B)</p> Signup and view all the answers

What should be avoided when supplementing with glutamine?

<p>Using immune-modulating formulas (C)</p> Signup and view all the answers

What is the primary use of modular supplements in clinical settings?

<p>To provide specific nutrient needs or deficiencies (B)</p> Signup and view all the answers

Why should viscous formulations be avoided in patients with acute renal failure?

<p>They can cause tube clogging. (C)</p> Signup and view all the answers

What is the maximum protein requirement for a patient undergoing continuous renal replacement therapy (CRRT)?

<p>2.5 g/kg/day (C)</p> Signup and view all the answers

What should be done when using oral dosage forms for patients with renal failure?

<p>Crush tablets to a fine powder and mix with water. (C)</p> Signup and view all the answers

Which types of medications should never be crushed for patients with renal failure?

<p>Delayed or extended-release tablets (A)</p> Signup and view all the answers

What is a significant factor affecting nutritional assessment in patients with hepatic failure?

<p>Presence of ascites (B)</p> Signup and view all the answers

What is recommended for patients with hepatic encephalopathy who do not respond to other treatments?

<p>Branched-chain amino acids (BCAA) (D)</p> Signup and view all the answers

For patients with pulmonary failure, what dietary formulation is suggested?

<p>Calorically dense formulations (A)</p> Signup and view all the answers

Which micronutrients are at risk of being lost in patients with acute renal failure?

<p>Selenium and Zinc (C)</p> Signup and view all the answers

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Study Notes

Infant Growth

  • Infants increase in length by 50% within the first year of life.

Childhood & Adolescent Growth

  • Growth is slow but constant during the preschool years (Ages 2-6).
  • Adipose tissue distribution begins around the age of 2.
  • Steady growth occurs during middle childhood (Ages 7-10).
  • Females are generally taller and heavier than males in height and weight during middle childhood.
  • Adolescence (Ages 11-18) involves rapid growth in height and weight.
  • Males are generally taller and heavier than females in height and weight during adolescence.

Nutritional Assessment

  • Risk Factors: Used to identify potential malnutrition.
  • History: Medical and dietary history are crucial.
  • Anthropometrics: Measurements like height, weight, and head circumference are used to assess growth.
  • Classification of Malnutrition: Determines the severity of malnutrition.
  • Nitrogen Balance: Assesses protein intake and utilization through a 24-hour urine collection.

Visceral Protein Status

  • Albumin: Normal range is 3.5-5 g/dL.
  • Transferrin: Normal range is 250-300 mg/dL.
  • Transthyretin (Pre-albumin): Normal range is 15-40 mg/dL.
  • Retinol-binding protein: Normal range is 2.5-7.5 mg/dL.
  • C-Reactive Protein (CRP): A positive acute phase reactant (increased by at least 25% during inflammation).
    • Normal range is <1 mg/dL.
    • Used to assess the accuracy of pre-albumin measurement.
    • Pre-albumin levels can be falsely low due to inflammation.

Protein Requirements

  • Intact protein: Requires complete digestion into smaller peptides.
  • Partially digested (peptide-based): Easier for the body to utilize, beneficial for patients with mal-absorption and diarrhea.
  • Modular supplements: Provide customized nutritional support.

Glutamine

  • A conditionally essential amino acid that plays a critical role in gut health and immune function.

Probiotics

  • Live microorganisms that confer health benefits to the host.
  • May inhibit pathogenic bacterial growth, block pathogen attachment, eliminate toxins, and enhance the host inflammatory response.

Vitamin & Trace Elements

  • Used for antioxidant effects and repletion.
  • Vitamin E & C are important for immune function.

Acute Renal Failure

  • Adjust enteral formula based on electrolyte profile.
  • Avoid viscous formulations like syrups, mineral oil, and granules due to the risk of tube clogging.
  • Crush tablets or open capsules and dilute in 15-30mL of sterile water.

Hepatic Failure

  • Traditional nutritional assessment tools may be inaccurate.
  • Branched-chain amino acids (BCAAs) may be beneficial for patients with encephalopathy refractory to other treatments.

Pulmonary Failure

  • Fluid-restriction and calorically dense formulations are often employed (1.5-2.0 kcal/mL).

References

  • ISMP: Institute for Safe Medication Practices

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