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A patient with a serum sodium level of 155 mEq/L reports thirst and has dry mucous membranes. When asking the Healthcare Provider (HCP) for orders, which order is appropriate?

A.

Ask the HCP for Hypertonic Fluid Orders

B.

Ask the HCP for Isotonic Fluid orders

C.

Ask the HCP for a Colloid Infusion order

D.

Ask the HCP for Hypotonic Fluid orders

Answer and Explanation

The Correct Answer is D

(A) Hypertonic Fluids: Would worsen hypernatremia by increasing sodium levels.

(B) Isotonic Fluids: These help with volume depletion but do not effectively reduce sodium levels.

(C) Colloid Infusions: Used for hypovolemia but do not correct sodium imbalances.

(D) Hypotonic Fluids: A sodium level of 155 mEq/L (hypernatremia) indicates dehydration, and hypotonic fluids (e.g., 0.45% NaCl) help shift water into cells and lower sodium levels.


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Related Questions

Correct Answer is {"A":{"answers":"A"},"B":{"answers":"B"},"C":{"answers":"A"},"D":{"answers":"B"},"E":{"answers":"A"}}

Explanation

Diabetes Insipidus:

  • Polyuria: ADH deficiency/resistance causes excessive urine output.
  • Hypernatremia: Excessive water loss leads to high serum sodium levels.
  • Dilute Urine: The kidneys cannot concentrate urine without ADH.

SIADH:

  • Decreased Urine Output: Excess ADH leads to water retention and decreased urination.
  • Hyponatremia: Water retention dilutes sodium levels.

Correct Answer is D

Explanation

(A) Sickle Cell Anemia: Follows incomplete dominance, where the heterozygous trait has a milder phenotype.

(B) Huntington’s Disease: Follows autosomal dominant inheritance, not co-dominance.

(C) Marfan Syndrome: Is an autosomal dominant disorder, not co-dominance.

(D) ABO Blood Type Inheritance: Co-dominance means both alleles are fully expressed. In ABO blood types, a person with AB blood has both A and B antigens expressed equally.

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