NEWEST 2026/ 2027 TEST BANK| PEDIATRIC ARDMS
EXAM REVIEW WITH COMPLETE 350 REAL EXAM
QUESTIONS AND CORRECT VERIFIED ANSWERS/
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Question 1. According to the current ARDMS content outline, which domain accounts
for the largest percentage of questions on the Pediatric Sonography (PS) exam?
A. Anatomy and Physiology
B. Congenital Variants, Pathology, and Pathophysiology
C. Data and Protocols
D. Physics and Instrumentation
Correct Answer: B
Rationale: The ARDMS Pediatric Sonography examination content outline specifies that
"Congenital Variants, Pathology, and Pathophysiology" accounts for 45% of the exam,
making it the single largest domain . This emphasizes the critical importance of
understanding pathological conditions and congenital anomalies in pediatric patients.
"Anatomy and Physiology" comprises 26%, "Data and Protocols" 19%, and the
combined "Physics and Instrumentation" and "Treatment and Emerging Technologies"
domains each account for only 5%.
Question 2. A sonographer is performing a thyroid ultrasound on a pediatric patient.
According to standard pediatric practice, which transducer frequency is most
appropriate for this examination?
,A. 2-3 MHz
B. 5-7.5 MHz
C. 10-12 MHz
D. 15-18 MHz
Correct Answer: B
Rationale: A linear transducer with a frequency range of 5-7.5 MHz is recommended for
pediatric thyroid ultrasound . This frequency provides an optimal balance between
resolution and penetration for the superficial location of the thyroid gland in children.
Lower frequencies (2-3 MHz) are more appropriate for deeper structures in adults, while
higher frequencies (10-12 MHz or 15-18 MHz) are typically used for very superficial
structures like the testes or small parts in small infants, but may be less suitable for the
thyroid in older children.
Question 3. A 1-day-old neonate is being evaluated for hydrocephalus. The anterior
fontanelle is used as the acoustic window. Which anatomical structure is the
sonographer evaluating through this approach?
A. The neonatal spine
B. The neonatal brain
C. The neonatal hip joint
D. The neonatal kidney
Correct Answer: B
Rationale: The anterior fontanelle serves as the primary acoustic window for neonatal
neurosonography, allowing evaluation of the neonatal brain . This approach permits
visualization of intracranial structures including the ventricles, germinal matrix, and brain
,parenchyma. The neonatal spine is evaluated with a different approach, the hip is
evaluated dynamically, and the kidney is evaluated via a flank or abdominal approach.
Question 4. The ARDMS Pediatric Sonography (PS) exam consists of approximately how
many questions and what is the allotted time?
A. 100 questions, 2 hours
B. 145 questions, 3 hours
C. 170 questions, 3 hours
D. 200 questions, 4 hours
Correct Answer: C
Rationale: According to Inteleos, the PS exam covers approximately 170 questions over
a 3-hour period . The exam includes multiple-choice questions and hotspot questions
where candidates mark directly on images. The 555 passing score is on a point scale of
300 to 700, not a percentage or curve-based scoring system.
Question 5. Which of the following describes the correct patient positioning for a
pediatric thyroid ultrasound examination?
A. Prone position with neck hyperextended
B. Supine position with a small pillow under the shoulders and head tilted backward
C. Lateral decubitus position with the neck flexed forward
D. Sitting position with the chin tucked to the chest
Correct Answer: B
, Rationale: For pediatric thyroid ultrasound, the child is placed in a supine position with
a small pillow or roll under the shoulders. The head should be tilted backward to expose
the anterior region of the neck . This positioning optimizes access to the thyroid gland
and adjacent structures. In newborns or small infants, a parent may be asked to place a
hand under the child's shoulders to assist with positioning.
Question 6. A 6-week-old infant presents with progressive vomiting and a palpable
olive-shaped mass in the right upper quadrant. What is the most likely diagnosis, and
which ultrasound finding would confirm it?
A. Intussusception; target sign on transverse view
B. Pyloric stenosis; thickened and elongated pylorus
C. Malrotation; whirlpool sign
D. Appendicitis; non-compressible appendix
Correct Answer: B
Rationale: The presentation of non-bilious projectile vomiting with a palpable olive-
shaped mass is classic for hypertrophic pyloric stenosis, typically presenting at 2-8
weeks of age. Ultrasound reveals a thickened and elongated pyloric muscle .
Intussusception presents with colicky abdominal pain and "currant jelly" stool,
malrotation presents with bilious vomiting, and appendicitis is rare in a 6-week-old
infant.
Question 7. According to the ARDMS PS exam content outline, "Data and Protocols"
comprises what percentage of the examination?