The exfoliative toxins, TSST-1, and the enterotoxins are all superantigens. The genes for these toxins are A: Present in all strains of Staphylococcus aureus B: Widely distributed on the staphylococcal chromosome C: On both the staphylococcal chromosome (TSST-1 and exfoliative toxins) and on plasmids (enterotoxins) D: On the staphylococcal chromosome in a pathogenicity island E: On plasmids

Which of the<br/>following clinical manifestations of drug allergy does not belong to<br/>type IV allergy ____? A: eczematous drug<br/>eruption B: Morbilliform drug<br/>eruption C: Exfoliative<br/>dermatitis D: Urticaria