PEDIATRICS COMAT 2026 CERTIFICATIONS
WITH ACTUAL EXAM QUESTIONS AND
CORRECT ANSWERS GRADED A+||
NEWEST UPDATE| BRAND NEW!!
A patient experiencing fever, urticarial rash, and arthralgia 5-10
days after starting penicillin is likely experiencing what? Correct
Answer serum sickness-like reaction (SSLR)
A nuclear scintigraphy with technetium 99m pertechnetate would
be used to evaluate what potential cause of iron deficiency
anemia? Correct Answer Meckel diverticulum
What causes Meckel diverticulum? Correct Answer failed closure
of the vitelline duct
How does tumor lysis syndrome cause acute kidney injury?
Correct Answer excess phosphate and uric acid results in calcium
phosphate stones and uric acid stones which cause obstructions
in the renal tubules
In a patient with a history of recurrent pulmonary and cutaneous
abscesses, an abscess showing organism-filled neutrophils on
,Gram stain would be suggestive of what immunodeficiency
syndrome? Correct Answer chronic granulomatous disease
impaired phagocytic respiratory burst results in impaired
intracellular killing by phagocytes
Patients with chronic granulomatous disease are classically
susceptible to which organisms? Correct Answer catalase-positive
organisms (ex. staph aureus, nocardia, aspergillus)
How is chronic granulomatous disease diagnosed? Correct
Answer testing neutrophil oxidative burst on dihydrorhodamine
(DHR) 123 or nitroblue tetrazolium test
Magical thinking is a normal phase of cognitive development in
children at what age? Correct Answer age 2-7
What two other heart defects are associated with tricuspid valve
atresia? Correct Answer ASD and VSD
An infant with central cyanosis, peaked P waves, left axis
deviation, and a holosystolic murmur likely has what condition?
Correct Answer Tricuspid valve atresia
,peaked P waves are due to enlarged right atrium, ASD causes the
left axis deviation, and VSD can cause a holosystolic murmur
Exertional dyspnea, evidence of right-sided cardiac enlargement,
and a step up in oxygen saturation from the IVC to the right atrium
suggests what? Correct Answer partial anomalous pulmonary
venous return
some of the pulmonary veins are abnormally draining into right
sided circulation instead of into the left atrium resulting in blood
mixing
Seizures in the setting of acute bacterial gastroenteritis should
raise concern for what infection? Correct Answer shigella infection
A newborn who is coughing/vomiting with feeding attempts who
also develops coarse lung sounds and respiratory distress after
an attempted feeding should raise concern for what? Correct
Answer tracheoesophageal fistula with esophageal atresia
Back pain in a pediatric patient that causes nocturnal awakening,
interferes with activity, or requires frequent analgesics is
concerning for what? Correct Answer spinal cord tumor
, Patellar tendinitis is an overuse injury due to repetitive [activity]
and presents with point tenderness at [location] Correct Answer
repetitive jumping, tenderness at the inferior pole of the patella
In patients with Osgood-Schlatter disease, examination usually
reveals tenderness over [location] and pain can be reproduced
with [activity] Correct Answer tibial tubercle, squatting or resisted
extension of the knee
Why can maternal serum AFP be elevated for a fetus with
gastroschisis? Correct Answer herniation of the uncovered bowel
allows AFP to pass through into the amniotic fluid
Beckwith-Wiedemann syndrome is associated with what
abdominal wall defect? Correct Answer omphalocele
Which vaccine is especially important for patients with sickle cell?
Correct Answer S pneumoniae vaccine (conjugate capsular
polysaccharide)
Twice daily administration of what prophylactic treatment should
be given to sickle cell patients until the age of 5? Correct Answer
penicillin
WITH ACTUAL EXAM QUESTIONS AND
CORRECT ANSWERS GRADED A+||
NEWEST UPDATE| BRAND NEW!!
A patient experiencing fever, urticarial rash, and arthralgia 5-10
days after starting penicillin is likely experiencing what? Correct
Answer serum sickness-like reaction (SSLR)
A nuclear scintigraphy with technetium 99m pertechnetate would
be used to evaluate what potential cause of iron deficiency
anemia? Correct Answer Meckel diverticulum
What causes Meckel diverticulum? Correct Answer failed closure
of the vitelline duct
How does tumor lysis syndrome cause acute kidney injury?
Correct Answer excess phosphate and uric acid results in calcium
phosphate stones and uric acid stones which cause obstructions
in the renal tubules
In a patient with a history of recurrent pulmonary and cutaneous
abscesses, an abscess showing organism-filled neutrophils on
,Gram stain would be suggestive of what immunodeficiency
syndrome? Correct Answer chronic granulomatous disease
impaired phagocytic respiratory burst results in impaired
intracellular killing by phagocytes
Patients with chronic granulomatous disease are classically
susceptible to which organisms? Correct Answer catalase-positive
organisms (ex. staph aureus, nocardia, aspergillus)
How is chronic granulomatous disease diagnosed? Correct
Answer testing neutrophil oxidative burst on dihydrorhodamine
(DHR) 123 or nitroblue tetrazolium test
Magical thinking is a normal phase of cognitive development in
children at what age? Correct Answer age 2-7
What two other heart defects are associated with tricuspid valve
atresia? Correct Answer ASD and VSD
An infant with central cyanosis, peaked P waves, left axis
deviation, and a holosystolic murmur likely has what condition?
Correct Answer Tricuspid valve atresia
,peaked P waves are due to enlarged right atrium, ASD causes the
left axis deviation, and VSD can cause a holosystolic murmur
Exertional dyspnea, evidence of right-sided cardiac enlargement,
and a step up in oxygen saturation from the IVC to the right atrium
suggests what? Correct Answer partial anomalous pulmonary
venous return
some of the pulmonary veins are abnormally draining into right
sided circulation instead of into the left atrium resulting in blood
mixing
Seizures in the setting of acute bacterial gastroenteritis should
raise concern for what infection? Correct Answer shigella infection
A newborn who is coughing/vomiting with feeding attempts who
also develops coarse lung sounds and respiratory distress after
an attempted feeding should raise concern for what? Correct
Answer tracheoesophageal fistula with esophageal atresia
Back pain in a pediatric patient that causes nocturnal awakening,
interferes with activity, or requires frequent analgesics is
concerning for what? Correct Answer spinal cord tumor
, Patellar tendinitis is an overuse injury due to repetitive [activity]
and presents with point tenderness at [location] Correct Answer
repetitive jumping, tenderness at the inferior pole of the patella
In patients with Osgood-Schlatter disease, examination usually
reveals tenderness over [location] and pain can be reproduced
with [activity] Correct Answer tibial tubercle, squatting or resisted
extension of the knee
Why can maternal serum AFP be elevated for a fetus with
gastroschisis? Correct Answer herniation of the uncovered bowel
allows AFP to pass through into the amniotic fluid
Beckwith-Wiedemann syndrome is associated with what
abdominal wall defect? Correct Answer omphalocele
Which vaccine is especially important for patients with sickle cell?
Correct Answer S pneumoniae vaccine (conjugate capsular
polysaccharide)
Twice daily administration of what prophylactic treatment should
be given to sickle cell patients until the age of 5? Correct Answer
penicillin
