50s subunit antibiotics - Study guides, Class notes & Summaries

Bactericidal - kills bacteria antibiotic resistance - Resistance evolving rapidly in many species of prokaryotes due to overuse of antibiotics, especially in agriculture. broad spectrum antibiotics - affect a broad range of gram-positive or gram-negative bacteria Narrow spectrum antibiotics - Effective against specific bacteria Sensitivity - Ability to recognize and appreciate the personal characteristics of others subunit vaccines - use antigenic fragments to stimulate an immune ...

PHARMACOLOGY Comprehensive Exam Questions With Complete Solutions | Latest Update Graded A+ (2023/2024). Which of the following is the mechanism of action of doxycycline? A. Inhibition of initiation and misreading of B. Binding to 30 S subunit and inhibiting the binding of aminoacyl-t-RNA to A site C. Inhibiting peptidyl transferase activity D. Binding to 50 S subunit - ANSWER-B. Binding to 30 S subunit and inhibiting the binding of aminoacyl-t-RNA to A site Aminoglycosides inhibit protei...

1.Which instructions should be included in the plan of care for a patient who is prescribed ferrous sulfate? a. Iron compounds are not taken orally b. Iron does not absorb c. Iron should only be taken at night d. Antacids should not be taken with iron 2. Which is the most common type of anemia? a. Iron deficiency b. Sickle cell anemia c. Folic acid deficiency d. B12 deficiency 3. Which antibiotic class disrupts folate metabolism in bacteria and is often combined with trimethoprim? a...

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 ...

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...

PHARMACOLOGY Comprehensive Exam With Complete Solutions | Latest Update Graded A+ (2023/2024). Which of the following types of drugs will have maximum oral bioavailability? A. High hydrophilic drugs B. Chemically unstable drugs C. Drugs with high first-pass metabolism D. Largely hydrophobic, yet soluble in aqueous solutions - ANSWER-D. Largely hydrophobic, yet soluble in aqueous solutions Two related drug preparations show comparable ability to reach the systemic circulation in the same a...

MIP302 Final Exam Study Guide chemotherapeutic agents - Answer️️ -chemicals administered internally to the host for the control of microbial infections; used to control fungal, protozoal, and bacterial infections Bacteriocidal - Answer️️ -agent that kills bacteria Bacteriostatic - Answer️️ -inhibits bacterial growth True antibiotic - Answer️️ -a natural substance made by one organism to kill a microorganism antibiotic - Answer️️ -A chemical secreted by a living organi...

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...

PHARMACOLOGY Comprehensive Exam Questions With Complete Solutions - Latest Update Graded A+ 2023/2024. Which of the following is TRUE about therapeutic index? A. There is no difference between the slopes of the dose response curves for the therapeutic and lethal effects B. The margin of safety is large if the ratio of median lethal dose and effective dose is <1 C. Cardiac glycosides and cancer chemotherapeutic agents have large therapeutic index D. The higher the ratio between the LD50...

HESI Question bank pharm EXIT EXAM WITH QUESTIONS AND ANSWERS 2023 1. Which instructions should be included in the plan of care for a patient who is prescribed ferrous sulfate? a. Iron compounds are not taken orally b. Iron does not absorb c. Iron should only be taken at night d. Antacidsshould not be taken with iron 2. Which is the most common type of anemia? a. Iron deficiency b. Sickle cell anemia c. Folic acid deficiency d. B12 deficiency 3. Which antibiotic class disrupts ...