Nursing Elites

1. Why is the specific gravity for infants lower than for older children?

• A. Infants have a greater body surface area.
• B. Infants have a higher basal metabolic rate.
• C. Infants have a greater percentage of body weight that is water.
• D. Infants' kidneys are less able to concentrate urine.

Correct answer: D

Rationale: The correct answer is D because infants' kidneys are less developed compared to older children, making them less efficient at concentrating urine. This results in a lower specific gravity in infants. The other choices do not directly explain why the specific gravity is lower in infants.

2. A patient taking isotretinoin (Accutane) for acne vulgaris. Which statement indicates that the patient teaching has been effective?

• A. I should use a reliable form of birth control.
• B. I will stop taking the drug if my skin is dry.
• C. It is important to increase intake of vitamin A.
• D. I do not need to use sunblock while taking Accutane.

Correct answer: A

Rationale: The correct answer is A. Isotretinoin is highly teratogenic, which means it can cause birth defects. Therefore, it is crucial for patients, especially females of childbearing potential, to use effective forms of birth control to prevent pregnancy while taking this medication. This is a key component of patient teaching to ensure the safe use of isotretinoin. Choice B is incorrect because discontinuing isotretinoin abruptly can lead to a flare-up of acne. Choice C is incorrect because increasing vitamin A intake can be harmful due to the risk of hypervitaminosis A. Choice D is incorrect because isotretinoin makes the skin more sensitive to sunlight, so sunblock is essential to prevent sunburn and skin damage.

3. During a home care visit for an infant diagnosed with gastroesophageal reflux, which parental action observed requires intervention by the nurse?

• A. The infant's formula is mixed with rice cereal.
• B. The mother positions the infant in a high Fowler position while feeding.
• C. After feeding, the infant is placed in a car seat.
• D. The mother administers ranitidine (Zantac) to the infant using a syringe.

Correct answer: C

Rationale: Placing an infant diagnosed with gastroesophageal reflux in a car seat after feeding can increase the risk of reflux and aspiration. The semi-upright or high Fowler position is recommended to help reduce reflux symptoms during feeding. Adding rice cereal to formula can help thicken it and reduce reflux episodes. Administering ranitidine using a syringe is a common method of oral medication administration. Therefore, the action of placing the infant in a car seat after feeding is the one that requires intervention due to the increased risk it poses.

4. What is an initial sign of nephrosis that the nurse might note in a child?

• A. Raspberry-like rash
• B. Periorbital edema
• C. Temperature elevation
• D. Abdominal pain

Correct answer: B

Rationale: In nephrotic syndrome, edema is a common symptom that is generalized and not easily noticeable, even by parents. However, an early sign that can be assessed by the nurse is periorbital edema, which refers to swelling around the eyes. This can be an initial indicator of nephrosis and may prompt further evaluation and intervention.

5. Which clinical manifestations should the nurse anticipate when assessing a child admitted to the hospital unit with a diagnosis of minimal change nephrotic syndrome (MCNS)?

• A. Massive proteinuria, hypoalbuminemia, and edema
• B. Hematuria, bacteriuria, and weight gain
• C. Decreased urine specific gravity and increased urinary output
• D. Gross hematuria, albuminuria, and fever

Correct answer: A

Rationale: Minimal change nephrotic syndrome (MCNS) is characterized by massive proteinuria, hypoalbuminemia, and edema. Proteinuria results from the loss of proteins, particularly albumin, in the urine, leading to hypoalbuminemia. The low oncotic pressure due to hypoalbuminemia causes fluid to shift into the interstitial spaces, resulting in edema. These clinical manifestations are classic signs of MCNS and help differentiate it from other renal conditions.

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