Café-au-lait maculare not specific for NF-1; they may be seen in the following EXCEPT

Correct Answer: B

Rationale: Café-au-lait maculoccur in NF-1, Noonan , Fanconi , Gaucher , and Hurler syndromes, tied to genetic or metabolic defects. Ataxia telangiectasia featurtelangiectasia, not macules. This phenotypic distinction make B the exception and correct answer.

Correct Answer: A

Rationale: Hemiparesis is the most common focal sign of childhood arterial ischemic stroke, per studi(e.g., ICH), from MCA territory infarction. Visual , speech , sensory , and balance deficits are less frequent. Motor predominance makes A the correct answer.

Correct Answer: B

Rationale: Tuberculous meningitis can elevate CSF protein to 3,000 mg/dL from chronic inflammation and exudate. Bacterial peaks lower (~500-1,000); fungal and amebic rarely exceed 1,000; empyema is focal. TBs severity make B the correct answer.

Correct Answer: C

Rationale: Ceftriaxone causreversible gallbladder pseudolithiasis via biliary precipitation, per case reports. Ceftazidime , cefotaxime , meropenem , and chloramphenicol lack this effect. Ceftriaxonunique side effect makes C the correct answer.

Correct Answer: C

Rationale: HSV-1 mimics enterovirus symptoms but caussevere cortical MRI lesions and occasional absent pleocytosis, per studies. Arbovirus, parechovirus, rabi, and EBV align closer to enterovirus CSF findings. HSVs severity makes C the correct answer.