A 4-year-old boy presents with failure to thrive, irritability, bloating, and a symmetrical rash on his elbows and knees. Transglutaminase IgA antibodies are positive. What is the most likely diagnosis?

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Question 1 of 5

A 4-year-old boy presents with failure to thrive, irritability, bloating, and a symmetrical rash on his elbows and knees. Transglutaminase IgA antibodies are positive. What is the most likely diagnosis?

Correct Answer: A

Rationale: Dermatitis herpetiformis is a cutaneous manifestation of celiac disease and is associated with positive transglutaminase IgA antibodies.

Question 2 of 5

All the following can cause metabolic acidosis with high anion gap Except:

Correct Answer: C

Rationale: Renal tubular acidosis typically causes normal anion gap metabolic acidosis rather than an increased anion gap.

Question 3 of 5

Agents that commonly cause nosocomial neonatal infections are

Correct Answer: D

Rationale: Gonococci are not common causes of nosocomial neonatal infections. Group B streptococci, coagulase-negative staphylococci, and Proteus are more frequently implicated.

Question 4 of 5

The MOST severe form of food protein-induced enteropathy is

Correct Answer: A

Rationale: Celiac disease is a severe immune-mediated enteropathy triggered by gluten, leading to chronic inflammation and malabsorption.

Question 5 of 5

Although understanding risk factors for violence is crucial for developing prevention strategies, the risk factors do not predict whether a particular individual will become violent. For children who begin their violence early in life, the strongest risk factor for violence is

Correct Answer: D

Rationale: Antisocial behavior is a strong predictor of future violence, especially when it manifests early in life, indicating a persistent pattern of deviance.

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