100) Answer

C. Fetal alcohol syndrome (FAS)

Rationale

•Physical features of FAS include deformities such as a small head and brain, sunken nasal bridge, thin upper lip, small teeth, and an upturned nose.

•FAS can also cause vision difficulties, mental retardation, short attention span, delayed mental development, and poor impulse control.

•Down’s syndrome symptoms include short stature, short wide neck, slanted eyes, low set ears, hypotonia, mental retardation, and learning disabilities.

•Klinefelter’s syndrome presents in males as less facial and body hair, reduced muslce mass and strength, broad hips, gynecomastia, and hypogonadism.

•Signs and symptoms of mercury poisoning are manifold and systemic, including peripheral neuropathy, skin discoloration (pink), swelling, shedding of the skin, tremors, visual and hearing impairment, and fatigue.