Which statement best describes why infants are at greater risk for dehydration than older children?

Infants have an increased ability to concentrate urine.

Infants have an increased extracellular flued volume

Infants have a greater volume of intracellular fluid.

Infants have a smaller body surface area.

Answer and Explanation

The Correct Answer is B

The statement that best describes why infants are at greater risk for dehydration than older children is option B. Infants have an increased extracellular fluid volume compared to older children. This means that a larger proportion of their total body fluid is located outside the cells, in the extracellular compartment. This higher extracellular fluid volume makes infants more susceptible to fluid losses and dehydration if they experience inadequate fluid intake or increased fluid losses.

infants have an increased ability to concentrate urine in (option A), is incorrect. Infants have limited renal function and may have difficulty concentrating urine compared to older children and adults. This can contribute to a higher risk of dehydration in infants.

infants have a greater volume of intracellular fluid in (option C), is incorrect. The volume of intracellular fluid is not the primary factor contributing to the increased risk of dehydration in infants.

infants have a smaller body surface area in (option D) is incorrect because it, is not directly related to the increased risk of dehydration. Body surface area influences heat exchange and fluid loss through sweating but is not the main factor contributing to the higher risk of dehydration in infants.

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Correct Answer is D

Explanation

When the skin surface is caked with desquamated skin and sebaceous secretions after the removal of a cast, the nurse should suggest washing the area with warm water and soap. This will help to gently cleanse the skin and remove the accumulated material without causing unnecessary trauma or irritation.

Option A, applying powder to absorb the material, may not effectively remove the caked material and could potentially lead to further clumping or discomfort.

Option B, vigorously scrubbing the leg, can be harsh on the skin and may cause skin irritation, redness, or even abrasions. It is important to be gentle and avoid excessive scrubbing, especially on the fragile and recently exposed skin.

Option C, carefully picking the material off the leg, can increase the risk of skin injury or introduce bacteria into the skin. Picking at the skin should be avoided to prevent further damage or infection.

Therefore, option D, washing the area with warm water and soap, is the most appropriate and gentle method to remove the caked material from the skin surface

A. Normal sensorium and serum glucose greater than 160 mg/dL B. Urine positive for ketones and serum glucose greater than 300 mg/dL C. Irritability and serum glucose less than 60 mg/dL D. Increased urination and serum glucose less than 120 mg/dL

Correct Answer is C

Explanation

Hypoglycaemia is characterized by low blood sugar levels. In children, symptoms of hypoglycaemia can vary, but irritability is a common sign. Other signs and symptoms of hypoglycaemia in children may include sweating, trembling, pale skin, hunger, weakness, confusion, and dizziness.

Normal sensorium and serum glucose greater than 160 mg/dL in (Option A) is incorrect because a normal sensorium (normal level of consciousness) and a serum glucose level greater than 160 mg/dL would not be indicative of hypoglycaemia.

Urine positive for ketones and serum glucose greater than 300 mg/dL in (Option B) is incorrect because it describes characteristics of hyperglycaemia (high blood sugar levels) rather than hypoglycaemia. Positive urine ketones and a serum glucose level greater than 300 mg/dL are commonly seen in diabetic ketoacidosis, a complication of high blood sugar levels in diabetes.

Increased urination and serum glucose less than 120 mg/dL in (Option D) is incorrect because it describes increased urination and a serum glucose level less than 120 mg/dL. While a serum glucose level less than 120 mg/dL could indicate hypoglycaemia, increased urination is not a typical sign of hypoglycaemia. Increased urination may be seen in conditions such as diabetes mellitus when blood sugar levels are consistently high.

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Which statement best describes why infants are at greater risk for dehydration than older children?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A child is upset because, when the cast is removed from her leg, the skin surface is caked with desquamated skin and sebaceous secretions. What should the nurse suggest to remove this material?

Correct Answer is D

Explanation

Which sign is the nurse most likely to assess in a child with hypoglycaemia?

Correct Answer is C

Explanation

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