Free Pediatric CCRN Practice Questions

Free Pediatric CCRN Practice Questions Related

Review Free Pediatric CCRN Practice Questions related questions and content

Which refers to a newborn whose rate of intrauterine growth was slowed and whose birth weight falls below the 10th percentile on intrauterine growth charts?

  • A. Postterm
  • B. Postmature
  • C. Low birth weight
  • D. Small for gestational age
Correct Answer: D

Rationale: A newborn who is small for gestational age (SGA) refers to a baby whose rate of intrauterine growth was slowed, leading to a birth weight falling below the 10th percentile on intrauterine growth charts. SGA infants are at an increased risk for various health complications due to their smaller size at birth, such as difficulties in regulating body temperature, low blood sugar, and respiratory distress. Postterm refers to a pregnancy that has extended beyond 42 weeks, while postmature refers specifically to a fetus that has been in the womb beyond the expected due date. Low birth weight may refer to a baby born below a certain weight threshold regardless of gestational age.

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Osteosarcoma is the most common primary malignant bone tumor in children and adolescents; it has multiple subtypes and requires different modalities of treatment including surgery and chemotherapy. Of the following, the subtype of osteosarcoma which is treated by surgery alone is

  • A. fibroblastic
  • B. chondroblastic
  • C. parosteal
  • D. periosteal
Correct Answer: D

Rationale: Periosteal osteosarcoma is often treated with surgery alone if margins are clear.

All the following are compatible with the definition of obstructive sleep apnea EXCEPT

  • A. episodes of prolonged upper airway obstruction
  • B. repeated apnea
  • C. 230% reduction in airflow
  • D. 2-30% O2 desaturation
Correct Answer: D

Rationale: Oxygen desaturation of 2-30% is too low to define mild-to-moderate sleep apnea.

What is an early clinical manifestation of bilirubin encephalopathy in the newborn?

  • A. Cognitive impairment
  • B. Absence of stooling
  • C. Lethargy or irritability
  • D. Increased or decreased temperature
Correct Answer: C

Rationale: An early clinical manifestation of bilirubin encephalopathy in a newborn is lethargy or irritability. Bilirubin encephalopathy, also known as kernicterus, is a serious condition that occurs when high levels of unconjugated bilirubin build up in the brain tissues. Initially, the baby may become lethargic or irritable due to the toxic effects of bilirubin on the central nervous system. As the condition progresses, symptoms may include poor feeding, high-pitched crying, muscle tone abnormalities, and eventually may lead to more severe consequences such as seizures and irreversible neurological damage. Prompt recognition and treatment of bilirubin encephalopathy are crucial to prevent long-term complications.

Chemotherapy has a major role in many childhood CNS tumors. In which of the following tumors is chemotherapy not effective?

  • A. pilocytic astrocytoma
  • B. craniopharyngioma
  • C. pineoblastoma
  • D. supratentorial primitive neuroectodermal tumors (SPNETs)
Correct Answer: A

Rationale: Pilocytic astrocytomas are generally low-grade and less responsive to chemotherapy compared to other listed tumors.

A 23 y.o. woman is seen at an outpatient clinic for a routine Pap smear. When questioned, she states she is deciding whether to engage in sexual activity with a man she is just getting to know. She asks how she can tell if he has an STD. Which response by the nurse is best?

  • A. "If the man appears clean and has been conscientious about using condoms, he is likely infection free."
  • B. "Look carefully for signs of lesions before engaging in sexual activity."
  • C. "Be sure to use either a male or female condom to protect against possible transmission of infection."
  • D. "An examination by a physician with diagnostic testing is the only way to know if he is infection free."
Correct Answer: D

Rationale: The best response by the nurse is to recommend an examination by a physician with diagnostic testing as the only way to know if the potential partner is infection free. Simply relying on the appearance of cleanliness or condom use may not be sufficient to determine the presence of sexually transmitted infections (STIs) such as HPV, chlamydia, or herpes, which may not have visible symptoms. Encouraging regular testing and open communication about sexual health with partners is crucial in preventing the spread of STIs.

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