An 18-month-old male toddler was found to be symptomatic for autistic spectrum disorders (ASD) by routine screening testing. The recommended evaluation includes all the following EXCEPT

Correct Answer: D

Rationale: Wood's lamp is not used in evaluating ASD; it is used for skin conditions.

Correct Answer: C

Rationale: Bone marrow infiltration is rare in Hodgkin's lymphoma but common in Non-Hodgkin's lymphoma.

Correct Answer: C

Rationale: Topical mupirocin is effective against Staphylococcus aureus a common pathogen in impetigo.

Correct Answer: B

Rationale: Von Willebrand disease (VWD) involves defective platelet adhesion due to deficient vWF, causing prolonged bleeding time despite normal platelet count.

Correct Answer: A

Rationale: Hypomanic episodes are associated with bipolar disorder, not major depressive episodes. Depressed mood, loss of interest, and significant weight loss are core criteria for major depression.