30s subunit antibiotics - Study guides, Class notes & Summaries

MI Unit 1 Exam Review Questions & Answers 2024 What is a medical intervention? What are the categories of interventions that function to maintain human health? - ANSWER-*Any measure that has a purpose of improving health *Treatments, diagnostics, and medical equipment What is the anatomy and physiology of a bacterial cell? - ANSWER-*Anatomy: Capsule, cytoplasm, cell wall (penicillins), nucleoid, ribosomes (tetracyclines, flagellum, plasma, pili, plasma membrane *Physiology: Scie...

USMLE Step 1 Antimicrobials Quiz with complete solutions | Latest 2023/2024 What antibacterials block cell wall synthesis by inhibition of peptidoglycan cross-linking? -- Penicillin, Ampicillina, Ticarcillin, Piperacillin, Imipnem, Aztreoname, Cephalosporins What is to MOA of Bacitracin and Vancomycin? -- block peptidoglycan synthesis What is the MOA of polymixins (used in resistant pseudomonas? -- Disrupt bacterial cell membranes What is the MOA of sulfonamides and trimethoprim? -- block ...

NURSING MSN 571 - Quiz 2 Study Guide.| VERIFIED GUIDE Antibiotics Review terminology: 1. Selective Toxicity: The ability of a drug to injure a target cell or target organism without injuring other cells or organisms that are in intimate contact with the target. Refers to the ability of an antibiotic to injure only invading microbes and avoiding injuring the host. 2. Culture and Sensitivity test: Is a test done when trying to treat for infection. Culture is to determine the bacter...

NR 566 Midterm Study Guide Week 1 -Things to know about each of the major antibiotic drug classes Bactericidal vs. Bacteriostatic • Bactericidal antibiotics directly kill bacteria o preferred for immunocompromised patients such as those with diabetes, HIV, or cancer & for those who have overwhelming infections. o Agents: aminoglycosides, beta-lactams, fluoroquinolones, metronidazole, most antimycobacterial agents, streptogramins, & vancomycin. • Bacteriostatic agents inhibit...

Penicillin mechanism - Answer binds to penicillin binding proteins in peptidoglycan (blocks transpeptidase crosslinking); activates autolytic enzymes penicillin use - Answer gram positives and syphilis penicillin toxicity - Answer hypersensitivity reactions, hemolytic anemia penicillinase resistant penicillins - Answer methicillin, nafcillin, dicloxacillin penicillinase resistant penicillin use - Answer Staph aureus penicillin resistant penicillin toxicity - Answer hypersensitivit...

Symptomatic therapy is? a. Using the substances which the organism is not able to produce in sufficient amounts b. Destroying the ethiological agent causing disease (antibodies against bacteria) c. Treating the symptoms d. Using very low drug concentrations (subliminal doses) for treating diseases c With regard to drug- receptor binding: a. A competitive antagonist has no intrinsic activity b. A partial antagonists has less receptor affinity than a full agonist c. KD (the dissociation c...

OpenStax Microbiology Test Bank Chapter 14: Antimicrobial Drugs * = Correct answer Multiple Choice 1. Which was the first antimicrobial agent discovered to treat syphilis? A. chloramphenicol B. compound 606* C. penicillin D. sulfonamide 2. Who is credited for first finding an antimicrobial agent? A. Paul Ehrlich* B. Alexander Fleming C. Edward Jenner D. Joseph Lister 3. Who is credited for first finding a naturally occurring antimicrobial agent? A. Paul Ehrlich B. Alexa...

CH 12 test bank-microbiology Substances that are naturally produced by certain microorganisms that can inhibit or destroy bacteria are called ______. antibiotics Antimicrobials effective against a wide variety of microbial types are termed ______. broad-spectrum drugs Antibiotics are derived from all of the following, except ______. Staphylococcus 4. Important characteristics of antimicrobial drugs include A. low toxicity for human tissues. B. high toxicity against microbial cells. C...

What are the two types Kirby-Bauer / Disc Diffusion Minimum Inhibitory Concentration What media do you use for Kirby-Bauer ? Muller-Hinton BBL Prompt Inoculation System Touch 5 colonies with tube like wand. place in tube mix What way should you swab the plate Lawnx3 Must label what side ? Lid side so you can measure the diameters Minimum Inhibitory Concentration Minimum conentration for bacteria Example ofna time when you woulduse this kindnof tes...

First Aid USMLE Step 1- Pharmacology (Complete) Exam 2023 Penicillin G (IV and IM) Penicillin M (oral) - ANS-*MOA:* *β-lactam*: a structural analog of D-ala-D-ala (a normal component of cell walls) which binds and inactivates bacterial transpeptidases (penicillin-binding protein, PBPs) to block peptidoglycan cross linking *Clinical use:* Bactericidal for Gram-⊕ cocci/rods, Gram-⊖ cocci (Neisseria), and spirochetes Mostly used for Gram-⊕ organisms (S. pneumoniae, S. pyogenes, A...