551. OTC drugs for allergic rhinitis are brompheniramine, cetirizine, chlorpheniramine, diphenhydramine, loratadine, pseudoephedrine NS, normal saline, oxymetazoline, xylometazoline, dextromethorphan.
552. Periodontitis is a disease that attacks the gum and the bone around the teeth. Antibacterials regimens for periodontitis:
Ciprofloxacin 500mg BID for 8 days.
Metronidazole 500mg TID for 8 days.
Metronidazole + amoxicillin 250mg both TID for 8 days.
Metronidazole + ciprofloxacin 500mg both BID for 8 days.
Tetracycline 500mg TID for 21 days.
553. Candida albicans is the most common cause of oral candidiasis.
554. Total parenteral nutrition (TPN) contains amino acids, dextrose, fat, electrolyte, alcohol, vitamins, and traces elements. TPN solution should contain 5-7.5% dextrose, 3-5%amino acids. Calcium phosphate forms crystals in TPN, so calcium gluconate is used to prevent crystal formation.
555. Sensitivity requirement (SR) = weight*error.
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