What is the generic name of Vibramycin?
Tetracycline
Erythromycin
Minocyclin
Doxycycline Hyclate
The Correct Answer is D
A. Tetracycline is the prototype antibiotic of the tetracycline class, originally derived from Streptomyces aureofaciens. It is a separate generic entity from doxycycline with different pharmacokinetic properties and dosing intervals. It is not the active ingredient found in the brand Vibramycin.
B. Erythromycin is a macrolide antibiotic that inhibits protein synthesis by binding to the 50S ribosomal subunit. It is used for patients with penicillin allergies but is chemically unrelated to the tetracycline family. It is not the generic name for Vibramycin.
C. Minocycline is a semi-synthetic tetracycline derivative used often for acne or specific bacterial infections. While it shares the same mechanism of action as doxycycline, it is a distinct chemical compound. It is marketed under brand names such as Minocin or Solodyn.
D. Doxycycline hyclate is the generic name for Vibramycin, a broad-spectrum tetracycline antibiotic. It functions by reversibly binding to the 30S ribosomal subunit, thereby preventing the binding of aminoacyl-tRNA to the mRNA-ribosome complex. This action effectively inhibits bacterial protein synthesis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Erosive esophagitis is a labeled indication for lansoprazole to facilitate the healing of esophageal mucosal lesions. It functions as a proton pump inhibitor by irreversibly binding to the hydrogen-potassium ATPase enzyme. This suppresses gastric acid secretion effectively.
B. Irritable bowel syndrome is a functional gastrointestinal disorder and not an FDA-approved indication for lansoprazole. This condition involves visceral hypersensitivity and altered motility rather than primary acid-related mucosal damage. Lansoprazole lacks the clinical evidence for this specific diagnosis.
C. Gastroesophageal reflux disease is a primary indication where lansoprazole provides symptomatic relief by reducing the acidity of gastric contents. It targets the parietal cells to inhibit the final step of acid production. This reduces the corrosive impact on the esophagus.
D. Gastric ulcer treatment is an approved use for lansoprazole to promote the healing of active benign gastric ulcers. It creates an alkaline environment conducive to mucosal repair by inhibiting the proton pump. It is also used for NSAID-associated gastric ulcers.
Correct Answer is C
Explanation
A. Fluticasone is the generic name for medications such as Flovent or Flonase, representing a different synthetic glucocorticoid. It possesses a high affinity for the glucocorticoid receptor but is a distinct chemical entity from the active ingredient in Pulmicort.
B. Beclomethasone is the generic name for Qvar, a halogenated corticosteroid used for the maintenance treatment of asthma. While it share a similar therapeutic class with Pulmicort, it is not the correct generic identifier for the brand name provided.
C. Budesonide is the generic name for Pulmicort, an inhaled corticosteroid used for maintenance therapy in asthma. It functions by decreasing the synthesis of inflammatory mediators and reducing airway hyperresponsiveness through glucocorticoid receptor activation. This results in potent anti-inflammatory effects.
D. Budesonide and formoterol fumarate dihydrate is the generic combination found in the brand Symbicort. This product includes both a corticosteroid and a long-acting beta-2 agonist. It is not the generic name for the single-ingredient product known as Pulmicort.
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