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MIC 101 Exam 1 Winter 2013

Tetracyclines contain a four ring structure with a

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48. Tetracyclines contain a four Ring Structure with a Variety of Side Chains. They can be administered orally or by Injection. Tetracyclines -- A. • Bind to the 30S Subunit and prevent the binding of new tRNA Molecules to the Ribosome Acceptor Site (“A” Site). • Administration frequently results in a Vaginal Yeast Infection B. • Bind to the 30s Subunit and block Translocation and the release of tRNA after Peptide Bond Formation • Tetracyclines are one of the least Toxic Antibiotics. C. • Bind to the 50S Subunit and block the Translocation and the release of tRNA immediately before Peptide Bond Formation. • Tetracyclines are inhibited by Calcium. Patients should avoid Spinach, Broccoli and Dairy Foods. D. • Bind to the 50S Subunit and block the Translocation and the release of tRNA after Peptide Bond Formation. • Tetracyclines have the Broadest Spectrum of any Antibiotics and are Effective agains Gram Positives and Gram Negatives.
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MIC 101 Exam 1 Page 30 49. You prescribe an Antibiotic for your Patient that functions by binding to the 50s Subunit and blocking Translocation and the release of tRNA after Peptide Bond Formation. What should you tell your Patient about this Antibiotic? A. Don ʼ t Worry!! This Narrow Spectum, Bactericidal Antibiotic will turn your Urine, Sweat and Tears Orange. B. Don ʼ t worry!! This Bacteristatic Antibiotic is one of the least Toxic Antibiotics and is useful for treating Penicillin-Resistant Infections and for treating Penicillin-Allergic Patients. C. Be Careful! This Broad Spectrum, Bactericidal Antibiotic tends to form Complexes with and be inhibited by Calcium, so don ʼ t eat any Dairy Products (or Broccoli or Spinach!!).. D. Worry!! This Bactericidal Antibiotic can destroy Intestinal Flora (inducing Diarrhea) and destroy the normal Vaginal Flora (resulting in Vaginal Yeast Infections). 50. Ciprofloxacin is a Quinolone that is effective for treating Urinary Tract Infections (UTIs) and Traveler ʼ s Diarrhea. It is Bactericidal, Broad Spectrum, can be administered orally or by Injection and is excreted via the Kidneys. Quinolones such as Ciprofloxacin -- STOP! Please double-check your ScanTron for intensely Stupid Errors. Please fill-in “Form A” and your Student ID Number. Please turn-in your ScanTron. You may keep these Questions. The Archer’s Style during a Tournament will be remembered long after the Archer’s Score has been forgotten. - Confucius
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