Pediatric Radiology MCQs

What is the most common imaging modality used to evaluate pediatric head trauma?
- A) MRI
- B) CT scan
- C) X-ray
- D) Ultrasound
Which imaging technique is most effective for diagnosing developmental dysplasia of the hip in infants?
- A) CT scan
- B) Ultrasound
- C) X-ray
- D) MRI
What is the recommended imaging study for suspected appendicitis in children?
- A) Ultrasound
- B) MRI
- C) CT scan
- D) X-ray
Which pediatric imaging modality is preferred for assessing lung diseases such as pneumonia?
- A) MRI
- B) Chest X-ray
- C) Ultrasound
- D) CT scan
What is the primary purpose of using a “low-dose” protocol in pediatric CT imaging?
- A) Improve image quality
- B) Reduce radiation exposure
- C) Increase contrast
- D) Speed up the exam
Which imaging modality is most suitable for assessing congenital heart disease in infants?
- A) CT scan
- B) Echocardiography
- C) MRI
- D) X-ray
What is the primary advantage of using ultrasound in pediatric imaging?
- A) Higher resolution
- B) No ionizing radiation
- C) Faster imaging
- D) Cost-effectiveness
Which imaging study is commonly used to assess fractures in children?
- A) MRI
- B) X-ray
- C) Ultrasound
- D) CT scan
In pediatric radiology, what is a significant consideration when using CT scans?
- A) Cost
- B) Radiation exposure
- C) Time
- D) Availability
What imaging modality is typically used for evaluating renal abnormalities in children?
- A) Ultrasound
- B) CT scan
- C) MRI
- D) X-ray
Which technique is preferred for imaging the spine in pediatric patients?
- A) MRI
- B) CT scan
- C) X-ray
- D) Ultrasound
What is the common imaging method for evaluating the gastrointestinal tract in infants?
- A) CT scan
- B) Ultrasound
- C) X-ray
- D) MRI
Which imaging study is most appropriate for assessing hip pain in children?
- A) CT scan
- B) MRI
- C) X-ray
- D) Ultrasound
What is the primary imaging technique used for evaluating airway obstructions in children?
- A) MRI
- B) Fluoroscopy
- C) X-ray
- D) CT scan
Which radiopharmaceutical is commonly used in pediatric nuclear medicine studies?
- A) Iodine-131
- B) Technetium-99m
- C) Gallium-67
- D) Iodine-123
What is the main disadvantage of using X-ray in pediatric imaging?
- A) Ionizing radiation
- B) High cost
- C) Limited availability
- D) Time-consuming
In evaluating pediatric head injuries, what does a “linear skull fracture” typically indicate?
- A) Severe injury
- B) Low-risk of significant intracranial injury
- C) High risk of complications
- D) Requires immediate surgery
What is the imaging modality of choice for assessing hydronephrosis in children?
- A) CT scan
- B) Ultrasound
- C) MRI
- D) X-ray
Which imaging study is commonly used for detecting intussusception in children?
- A) MRI
- B) Ultrasound
- C) CT scan
- D) X-ray
What is the recommended imaging study for detecting brain tumors in children?
- A) X-ray
- B) MRI
- C) Ultrasound
- D) CT scan
Which contrast agent is typically used in pediatric MRIs?
- A) Iodine-based contrast
- B) Gadolinium-based contrast
- C) Barium
- D) Air
What is the typical positioning of a child for a chest X-ray?
- A) Lateral position
- B) Upright or supine position
- C) Prone position
- D) Lying flat
Which imaging technique is often used to evaluate the knee joint in pediatric patients?
- A) CT scan
- B) MRI
- C) X-ray
- D) Ultrasound
What is the primary use of a DEXA scan in pediatrics?
- A) Evaluate brain function
- B) Assess bone density
- C) Imaging soft tissues
- D) Detect fractures
What imaging technique is preferred for diagnosing congenital anomalies in the abdomen?
- A) X-ray
- B) Ultrasound
- C) MRI
- D) CT scan
What is the significance of the “sail sign” in pediatric X-ray?
- A) Normal finding
- B) Suggests pneumothorax
- C) Indicates fracture
- D) Points to infection
Which imaging study is most effective for assessing joint effusion in children?
- A) CT scan
- B) Ultrasound
- C) MRI
- D) X-ray
What is the preferred imaging study for evaluating pulmonary diseases in children?
- A) Chest X-ray
- B) MRI
- C) CT scan
- D) Ultrasound
Which imaging modality is most commonly used for assessing the thyroid gland in pediatric patients?
- A) CT scan
- B) Ultrasound
- C) MRI
- D) X-ray
What is a primary concern when using contrast agents in pediatric patients?
- A) Potential allergic reactions
- B) Increased imaging time
- C) Higher costs
- D) More exposure to radiation

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