TheoryCCRN Pediatric Nurse Prep Practice Questions
Free CCRN Pediatric Nurse Prep practice questions with answers and plain-English explanations. Browse the PDF, video and online mock test.
CCRN Pediatric Nurse Prep Questions
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Q1Deficiency of which nutrient is most commonly associated with the development of rickets in children?
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✓ Correct answer: Vitamin D
Vitamin D deficiency is most commonly associated with rickets, which is characterized by the softening and weakening of bones in children. This condition leads to skeletal deformities such as bowed legs. Vitamin D is essential for calcium absorption, and without sufficient Vitamin D, bones cannot properly mineralize, leading to rickets. Iron is crucial for preventing anemia, while calcium also plays a critical role in bone health but requires Vitamin D for proper absorption. Vitamin C is important for immune function and collagen synthesis but is not directly related to preventing rickets.
Q2A concerned mother brings her 5-year-old child into the emergency department due to an unusual curvature in the back that she noticed recently. After a thorough assessment, the nurse explains the diagnosis to the mother. What is this condition called?
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✓ Correct answer: Scoliosis
Answer: Scoliosis Scoliosis is a lateral curvature of the spine. It can appear in early childhood and may be noticed by a parent or during a routine pediatric check-up. Early detection and treatment are key to managing the condition effectively. Lordosis is an excessive inward curve of the spine, typically in the lower back. Kyphosis refers to an exaggerated forward rounding of the back, usually in the upper back. Spina Bifida is a birth defect where there is incomplete closing of the spine and membranes around the spinal cord.
Q3Which of the following is the PRIMARY treatment concern in the management of pediatric patients with severe burns?
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✓ Correct answer: Airway management
Answer: Airway management The most important intervention during the initial stabilization of any patient is the establishment of a functional patent airway. For pediatric burn patients, airway interventions such as nasopharyngeal airways (NPAs), oropharyngeal airways (OPAs), laryngeal mask airways (LMAs), and endotracheal intubation (ETTs) are crucial. The primary concern in managing a burn patient is ensuring a safe, effective airway due to the risk of inhalation injury and subsequent airway obstruction.
Q4Which of the following conditions is NOT typically associated with a deficiency of maternal vitamin D during pregnancy?
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✓ Correct answer: Down syndrome
Answer: Down syndrome Maternal vitamin D deficiency during pregnancy can lead to a variety of neonatal conditions related to bone and neurological development. Rickets is a disease characterized by softening and weakening of bones in children, primarily due to inadequate vitamin D. This condition can manifest as skeletal deformities, delayed growth, and in severe cases, hypocalcemia that may lead to seizures. Another condition, neonatal hypocalcemia, is a direct consequence of maternal vitamin D deficiency which results in low calcium levels in newborns, causing symptoms such as poor feeding, irritability, and seizures. Neonatal hyperparathyroidism may also develop as the fetal parathyroid gland attempts to compensate for the low calcium levels, leading to bone demineralization and fractures. Down syndrome, however, is a genetic disorder caused by the presence of an extra chromosome 21 and is not related to vitamin D levels during pregnancy. It results from nondisjunction during cell division rather than nutritional deficiencies.
Q5What is the most common type of bone fracture that requires surgical intervention in pediatric patients?
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✓ Correct answer: Supracondylar humerus fracture
Answer: Supracondylar humerus fracture The supracondylar humerus fracture is one of the most common fractures in children that requires surgical intervention. This type of fracture often needs reduction and fixation due to the risk of neurovascular complications. Greenstick fractures are common in children due to the pliability of their bones, but they often only require immobilization. Buckle fractures, also common in children, typically heal well with casting. Spiral fractures might require surgical intervention if they are displaced, but are less common than supracondylar fractures.
Q6Which pediatric renal conditions do NOT typically require referral to a nephrology specialist?
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✓ Correct answer: Uncomplicated urinary tract infections (UTIs)
Answer: Uncomplicated urinary tract infections (UTIs) Pediatric patients with uncomplicated UTIs typically do not require referral to a nephrology specialist and can be managed by their primary care physician. In contrast, conditions such as chronic kidney disease, nephrotic syndrome, and congenital renal abnormalities often require the specialized care of a nephrology specialist to manage and monitor the patient's health.
Q7A nurse is caring for a 10-year-old child who is receiving chemotherapy. The nurse should instruct the child on the need to report which sign(s) and/or symptom(s) immediately?
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✓ Correct answer: Fever, bleeding gums
Answer: Fever, bleeding gums. Prior to starting chemotherapy, the patient should be instructed to report fever and any signs of bleeding (like bleeding gums) immediately because these could be indicative of an infection or bleeding disorder, both of which are serious complications. Other signs and symptoms to report include chills, frequent infections, severe headache, and unusual bruising or petechiae. Mild headache and earache, occasional dizziness, and discomfort at the injection site are not typically serious and can often be managed with basic supportive care.
Q8A nurse is caring for a child with severe hypokalemia who received an intravenous potassium infusion approximately 6 hours ago. Which finding indicates the patient is benefiting from this therapy?
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✓ Correct answer: Decreased muscle weakness and improved heart rhythm
Answer: Decreased muscle weakness and improved heart rhythm Potassium is crucial for the normal functioning of cells, nerves, and muscles. Severe hypokalemia can cause muscle weakness, cramping, and cardiac arrhythmias. Administering intravenous potassium should improve these symptoms by restoring normal potassium levels, thereby improving muscle function and stabilizing heart rhythm.
Q9Hyperkalemia is defined as a serum potassium level above which value?
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✓ Correct answer: 5.5 mEq/L
Answer: 5.5 mEq/L Hyperkalemia is a condition characterized by an abnormally high level of potassium in the blood. Potassium is a critical electrolyte for the function of nerve and muscle cells, including those in the heart. A serum potassium level above 5.5 mEq/L is generally used as the threshold for diagnosing hyperkalemia. In pediatric critical care, hyperkalemia can be particularly dangerous and may lead to serious cardiac arrhythmias or cardiac arrest if not promptly recognized and treated. Causes of hyperkalemia in children can include renal insufficiency, certain medications, and conditions such as tissue breakdown (hemolysis, rhabdomyolysis).
Q10Identify the electrolyte imbalance most likely to occur in a pediatric patient with severe dehydration due to persistent vomiting.
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✓ Correct answer: Hypokalemia
Answer: Hypokalemia Hypokalemia occurs in severe dehydration from persistent vomiting because of the loss of potassium (K+) in gastric secretions and the body's compensatory mechanisms. Clinical manifestations of hypokalemia include muscle weakness, arrhythmias, and in severe cases, paralysis. Management of hypokalemia involves electrolyte replacement and monitoring of cardiac function, ensuring the maintenance of potassium levels within the normal range.
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