Penicillin mechanism - Study guides, Class notes & Summaries

Pharmacology Exam 4 -- Antibiotics + NCLEX QuestionsWhat are the 7 main categories of antibiotics + their general mechanism of action? - correct answer >sulfonamides >penicillins >cephalosporins >macrolides >quinolones >aminoglycosides >tetracyclines >general MOA: - interference w/ cell wall synthesis and protein synthesis - interference with DNA replication - disrupts critical metabolic reactions What are the 3 main sulfonamides + their specific mechan...

Type I Hypersensitivity Reactions (Type I HSR) What are the features of HSR in general? 1. over-reaction of the immune system in the absence of danger 2. Undesired reactions produced by the normal immune system 3. Under some circumstances, immunity, rather than providing protection, produces damaging, discomfort-inducing and sometimes fatal results what are the 4 types of hypersensitivity reaction based on? 1. immunological mechanism 2. time frame What are the immune reactant, antigen,...

Complete Test Bank The Human Body in Health and Illness 7th Edition by Barbara Herlihy Chapter 01: Introduction to the Human Body Herlihy: The Human Body in Health and Illness, 7th Edition MULTIPLE CHOICE 1. What is the branch of science that studies how the body functions? a. Anatomy b. Histology c. Pathology d. Physiology ANS: D 2. Which word comes from the Greek word meaning “to dissect”? a. Anatomy b. Histology c. Pathology d. Physiology ANS: A 3. Which of the follow...

NRNP 6566 FINAL EXAM LATEST 2023-2024 FORM A AND B /NRNP6566 FINAL EXAM QUESTIONS |AGRADE (WALDEN UNIVERSITY) 2 LATEST VERSIONS UPDATED APRIL 2023 Question 1 Which statement is correct about fluoroquinolones? fluoroquinolones are effective treatment for urinary tract infections and pyelonephritis Fluoroquinolones are recommended treatment in uncomplicated skin infections fluoroquinolones are not associated with tendon rupture fluoroquinolones are never indicated in the trea...

Amoxicillin with clavulanate - SE: Nausea, headache risk of yeast. Use: Strep ear infection Interactions: CI: ALLERGY to penicillin Mechanism: Beta-Lactam antibiotic with beta-lactamase inhibitor. Allopurinol - SE: itch, rash. When injected: vomiting and kidney. Use: Preventing uric acid and gout, as well as use in crohn's and tumor lysis. Interactions: Inactivates azathiprine. didanosine. CI: DO NOT START DURING GOUT Mechanism: Xanthine oxidase inhibitor 5-fluorouracil - SE: Inflamma...

Case A 2-year-old girl presents with a fever and an inflamed throat. Her mother states the child does not want to eat. You decide to treat her with 7 days of penicillin. After 4 days, the mother calls your office to report that the child has not significantly improved. You suspect the child's infection may be caused by penicillin-resistant bacteria. Question What is the likely mechanism of resistance in this case? - CORRECT ANSWER Correct answer: Acquisition of the enzyme β-lact...

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...

β-lactam antibiotic MOA - ANSWER All antibiotics in class share the same mechanism of action: disruption of the bacterial cell wall. Inhibition of cell wall synthesis Empiric Therapy - ANSWER start treatment without cultures or prior to receiving the results of a culture immediate empiric antibiotics - ANSWER Critically ill patients receive (Fill in the Answer) after the first set of cultures obtained; do not wait for results. Bactericidal antibiotics - ANSWER Directly kill bact...

Final Exam: NR293 / NR 293 (Latest 2024/2025 Update) Pharmacology |Review with Questions and Verified Answers| Everything Covered| 100% Correct | Grade A-Chamberlain Q: When administering a loop diuretic to a patient, it is most important for the nurse to determine if the patient is also taking which drug? Answer: Use of loop diuretics with lithium can increase the risk of lithium toxicity. Drug interactions with loop diuretic therapy can occur with concurrent use of nonsteroidal anti i...

1. Which of the following is false about the chemical name of a drug? a. It is also called the scientific name b. It is used in conventional language c. The most important naming system is the IUPAC name d. Drugs are named according to the structure of the drug molecules: B. It is used in conventional language 2. Which of the following is a generic name? a. Penicillin b. Advil c. N-acetyl-p-aminophenol d. Zoloft: A. Penicillin 3. Which of the following is another name for the brand nam...