Nursing Elites

1. The parents of a 3-year-old boy who has Duchenne muscular dystrophy (DMD) ask, 'how can our son have this disease? We are wondering if we should have any more children.' What information should the nurse provide these parents?

• A. This is an inherited X-linked recessive disorder, which primarily affects male children in the family.
• B. The male infant had a viral infection that went unnoticed and untreated, leading to muscle damage.
• C. The lack of the protein dystrophin in the mother can impact the muscle groups of males.
• D. Damage to the spinal cord due to birth trauma from a breech vaginal birth weakens the muscles.

Correct answer: A

Rationale: The nurse should inform the parents that Duchenne muscular dystrophy is an X-linked recessive disorder, which primarily affects male children in the family. This genetic condition is caused by a mutation in the dystrophin gene located on the X chromosome. Females are usually carriers of the gene mutation and may pass it on to their sons. Daughters of carrier mothers have a 50% chance of being carriers themselves. Understanding the genetics of DMD can help the parents make informed decisions about family planning and genetic counseling.

2. A school-age child with a history of type 1 diabetes mellitus is brought to the emergency department with confusion and rapid breathing. The practical nurse (PN) suspects diabetic ketoacidosis (DKA). Which initial intervention should the PN anticipate?

• A. Administer subcutaneous insulin.
• B. Give oral glucose tablets.
• C. Start intravenous fluids.
• D. Administer oxygen therapy.

Correct answer: C

Rationale: Intravenous fluids are typically the initial intervention in diabetic ketoacidosis (DKA) to treat dehydration and stabilize the patient's condition. The fluid replacement helps correct electrolyte imbalances and improve perfusion, which are crucial in managing DKA. Insulin therapy follows after fluid resuscitation to address the underlying cause of DKA, which is the lack of insulin leading to increased ketone production. Administering subcutaneous insulin (Choice A) would be premature without first addressing the dehydration and electrolyte imbalances. Giving oral glucose tablets (Choice B) is contraindicated in DKA as the patient already has high blood glucose levels. Administering oxygen therapy (Choice D) may be necessary based on the patient's condition, but addressing dehydration with intravenous fluids is the priority intervention in DKA.

3. The practical nurse is providing care for a toddler who has just returned from surgery for a tonsillectomy. Which intervention is a priority in the immediate postoperative period?

• A. Offer clear fluids frequently.
• B. Encourage the child to cough and deep breathe.
• C. Monitor for frequent swallowing.
• D. Apply a warm compress to the throat area.

Correct answer: C

Rationale: Monitoring for frequent swallowing is a priority intervention in the immediate postoperative period after a tonsillectomy. Frequent swallowing may indicate bleeding from the surgical site, which requires immediate attention to prevent complications such as hemorrhage. Offering clear fluids frequently may not be appropriate immediately after surgery. Encouraging coughing and deep breathing may increase the risk of bleeding. Applying a warm compress to the throat area is not recommended as it can increase blood flow to the surgical site, potentially causing bleeding.

4. What is the priority action for a 2-year-old child with croup presenting with a barking cough and stridor?

• A. Administer a corticosteroid
• B. Obtain a throat culture
• C. Administer nebulized epinephrine
• D. Place the child in an upright position

Correct answer: C

Rationale: The priority action for a 2-year-old child with croup and stridor is to administer nebulized epinephrine. Nebulized epinephrine helps reduce airway swelling, alleviate symptoms, and improve breathing by causing vasoconstriction and reducing upper airway edema. Administering a corticosteroid may be done but is not the priority in this scenario. Obtaining a throat culture is not necessary for the immediate management of croup. Placing the child in an upright position can aid in breathing but is not the priority action when the child is presenting with stridor.

5. A 2-year-old child is admitted with severe dehydration due to gastroenteritis. Which assessment finding indicates that the child's condition is improving?

• A. Decreased heart rate.
• B. Sunken fontanelle.
• C. Increased urine output.
• D. Dry mucous membranes.

Correct answer: C

Rationale: Increased urine output is a positive sign indicating that the child's hydration status is improving. It suggests that the kidneys are functioning more effectively and able to excrete urine, which is a crucial indicator of improved hydration levels in a dehydrated patient. Decreased heart rate (Choice A) can be a sign of possible shock. A sunken fontanelle (Choice B) is a sign of dehydration. Dry mucous membranes (Choice D) are also indicative of dehydration.

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