Antibiotic Agents Flashcards

Dr. Pilch

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1
Q

The only bactericidal protein synthesis inhibitor are the _____ class of antibiotics because of their postantibiotic effect

A

Aminoglycosides

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2
Q

Streptomycin, Gentamicin Tobramycin, Amikacin, Neomycin, Kanamycin are all examples of _____ that inhibit 30S

A

Aminoglycosides

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3
Q

Tobramycin and Gentamicin are really good against Gram _____ bacteria

A

Negative

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4
Q

Of the Aminoglycosides, Neomycin and Kanamycin are only used on _____ surfaces

A

Topical

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5
Q

The biggest problem with the Aminoglycosides are that they are _____ as well as Ototoxicity

A

Nephrotoxic

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6
Q

Tetracyclines block the _____ step of protein synthesis by targeting the Aminoacyl tRNAs

A

Elongation

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7
Q

All drugs that end in “Cycline” belong to the class known as _____

A

Tetracyclines

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8
Q

When you’re taking a Tetracycline you should avoid taking _____

A

Dairy/Calcium

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9
Q

Rickettsial infections and STDs are typically treated with the _____ class of antibiotics

A

Tetracyclines

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10
Q

Tigecycline and Eravacycline are glycylcylines reserved for _____ infections

A

MRSA

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11
Q

The two antibiotic inhibitors of the 30S Ribosomal Subunit are _____ and _____

A

Aminoglycosides, Tetracyclines

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12
Q

Macrolides, Lincosamides, Streptogramins, and Oxazolidinones are all inhibitors of the ______S Ribosomal Subunit

A

50

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13
Q

The Macrolides are great for treating _____ infections

A

Respiratory

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14
Q

The Lincosamide, Clindamycin works only against Gram-_____ bacteria

A

Positive

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15
Q

What class of antibiotics is Azithromycin?

A

Macrolides

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16
Q

Sulfonamides Trimethoprim are DNA synthesis inhibitors that specifically block ______

A

Folate

17
Q

Fluoroquinolones are the newest classes of antibiotics that target _____ and _____

A

Gyrase and Topoisomerase

18
Q

What’s special about Sulfonamides and Timethoprim?

A

They block successive steps in folic acid synthesis and actually wreck bacteria together.

19
Q

Unlike mammals, Sulfonamide-susceptible microorganisms cannot use exogenous folate, but must synthesize it from _____ _____

A

p-aminobenzoic acid

20
Q

The “oxacins” are the ______ antibiotics that are bactericidal

A

Fluorquinones