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ATI PN PHARMACOLOGY RETAKE 2024 || PHARMACOLOGY PN RETAKE PROCTORED EXAM || Latest & Graded Exam A+ CA$11.51   Add to cart

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ATI PN PHARMACOLOGY RETAKE 2024 || PHARMACOLOGY PN RETAKE PROCTORED EXAM || Latest & Graded Exam A+

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ATI PN PHARMACOLOGY RETAKE 2024 || PHARMACOLOGY PN RETAKE PROCTORED EXAM || Latest & Graded Exam A+ ATI PN PHARMACOLOGY RETAKE 2024 || PHARMACOLOGY PN RETAKE PROCTORED EXAM || Latest & Graded Exam A+ ATI PN PHARMACOLOGY RETAKE 2024 || PHARMACOLOGY PN RETAKE PROCTORED EXAM || Latest & Graded Exam ...

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  • July 5, 2024
  • 19
  • 2023/2024
  • Exam (elaborations)
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ATI PN PHARMACOLOGY RETAKE 2024
/PHARMACOLOGY PN RETAKE PROCTORED EXAM
WITH QUESTIONS AND ANSWERS VERIFIED



A patient is receiving vancomycin [Vancocin]. The nurse identifies what as the most common toxic effect
of vancomycin therapy?

Renal toxicity

3 MULTIPLE CHOICE OPTIONS




What do beta-lactam antibiotics do?

Inhibit synthesis of bacterial cell wall




Beta-lactam antibiotics

Penicillins

Cephalosporins

Carbapenems

Monobactams




How was penicillin discovered?

Sir Alexander Fleming saw areas clear of microorganism growth surrounding the mold gathering on the
unwashed petri dishes in his lab. He was able to extract the prototype for the first antibiotic.




How would someone develop a penicillin allergy?

,previous exposure to a fungi




Bacterial growth ininvolves breaking down and rebuilding of what layer?

peptidoglycan layer




Bacterial growth requires what two critical enzymes?

Autolysins-break down

Transpeptidases-build




What are Penicillin Binding Proteins (PBPs)?

enzymes that are involved in the synthesis of the cell wall and in the maintenance of the morphologic
structure of bacteria.




When are Penicillin Binding Proteins (PBPs) are expressed?

only during growth periods




How does penicillin act on PBPs?

1. target proteins

2. interferes with transpeptidation

3. cell wall becomes unstable

4. bacterial death




How do penicillins disrupt the synthesis of the cell wall?

, disrupt the synthesis of peptidoglycan (PG)




What is the most common cause of drug allergy?

penicillin




What is the role of autolysins in the mode of action of penicillin?

They are activated to promote active destruction of the cell wall.




Are all penicillins bactericidal?

yes




allergic reactions vary in

time and severity




Immediate allergy reaction time

2-30 min




accelerated allergy reaction time

1 - 72 hours




delayed allergy reaction time

days to weeks

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