Increased intracranial pressure (ICP) should be suspected if the headache and associated vomiting are worse when lying down. The characteristic of this headache is include all the following EXCEPT

Correct Answer: B

Rationale: ICP headachawaken from sleep , worsen with coughing or bending , and cause fourth nerve palsy , per neurology texts, from pressure dynamics. Remitting on arising suggests sinusitis, not ICP, which persists upright. Positional worsening definICP, making B the exception and correct answer.

Correct Answer: D

Rationale: Phenytoin is second-line for status epilepticus after benzodiazepinfail, per AAN, stabilizing sodium channels. Phenobarbital is third-line; valproate alternative; midazolam first-line; ethosuximide irrelevant. Phenytoins IV efficacy makes D the correct answer.

Correct Answer: C

Rationale: Agenesis of the corpus callosum can cause secondary microcephaly, per neurology, from disrupted brain growth postnatally (e.g., infection). Angelman and Prader-Willi are genetic, primary; pachygyria malformation; craniosynostosis skull-driven. Acquired etiology makes C the correct answer.

Correct Answer: C

Rationale: Hereditary motor sensory neuropathy (CMT) causpcavus, per neurology, from distal muscle atrophy altering foot arches. Myasthenia and juvenile affect junctions; Duchenne proximal; CIDP variable. CMTs neuropathy makes C the correct answer.

Correct Answer: B

Rationale: Tuberous sclerosis causmegalencephaly, per neurology, from cortical tubers and growth dysregulation. Achondroplasia and osteopetrosis affect skull; fragile X microcephaly risk; hypochondroplasia skeletal. Tuberous brain enlargement make B the correct answer.