T1 CONT. Flashcards

1
Q

Resistance occurs without previous exposure to the antibacterial drug

A

Natural or inherent

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2
Q

Caused by prior to exposure to the antibacterial

A

Acquired resistance

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3
Q

Infection acquired while patient is hospitalized

A

Nosocomial infection/Hospital acquired infection

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4
Q

Highly resistant bacteria

A

Methicillin-resistant Staphylococcus Aureus (MRSA)

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5
Q

Resistant not only to methicillin, but to all penicillin and cephalosporins as well

A

Methicillin-resistant Staphylococcus Aureus (MRSA)

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6
Q

Treatment of choice for MRSA

A

VANCOMYCIN

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7
Q

General adverse reaction to antibacterial drugs

A
  • Allergy/hypersensitivity reactions
  • Superinfection
  • Organ toxicity
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8
Q

Mild reactions (Allergy and Hypersensitivity)

A
  • rash
  • pruritus
  • hives/urticaria
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9
Q

Severe response of allergy and hypersensitivity

A

ANAPHYLACTIC SHOCK

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10
Q

a serious allergic response that often involves
swelling, hives, lowered blood pressure

A

Anaphylaxis

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11
Q

Results in vascular collapse, laryngeal edema.
Bronchospasm and cardiac arrest.

A

Anaphylaxis

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12
Q

If not treated immediately, it can be fatal

A

Anaphylaxis

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13
Q

Frequently the first symptom of anaphylaxis.

A

DOB

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14
Q

Treatment for mild allergic reaction

A

Antihistamine

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15
Q

Liver and kidney are involved in drug metabolism and excretion.

A

Organ toxicity

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16
Q

Antibacterial may result in damage to these organs

A

Organ toxicity

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17
Q

Example: aminoglycosides can be nephrotic (as well as ototoxic)

A

Organ toxicity

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18
Q

Primarily effective against one type of organism.

A

NARROW SPECTRUM ANTIBIOTICS

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19
Q

Penicillin and erythromycin are used to treat
infection caused by gram positive bacteria.

A

NARROW SPECTRUM ANTIBIOTICS

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20
Q

Effective against gram positive and Gram-negative organisms

A

BROAD SPECTRUM

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21
Q

Used to treat when the offending microorganism is not identified by C/S test

A

BROAD SPECTRUM

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22
Q

Tetracyclines and cephalosporins

A

BROAD SPECTRUM

23
Q

Natural antibacterial agent obtained from the mold Genus Penicillium

A

Penicillin

24
Q

Miracle drug

A

Penicillin

25
First mass produced antibiotic
Penicillin
26
Was the first to be administered orally and by injection
Pen G
27
Food interferes with absorption
Penicillin
28
Was the next type of penicillin produced
Penicillin V
29
Is effective against mild to moderate infections, including anthrax as a biological weapon of bioterrorism
Penicillin V
30
kill bacteria by disrupting their cell wall
Penicillin
31
most common affected by penicillin including streptococci and staphylococci
Gram-positive bacteria
32
Indicated for the treatment of - pneumonia, - meningitis - skin - bone - joint infections
Penicillin
33
Mainly referred to as beta lactam antibiotics
Penicillin
34
Portion of the chemical structure of penicillin that is responsible for its antibacterial activity.
BETA LACTAM RING
35
Interferes with bacterial cell wall synthesis by inhibiting the bacterial enzyme that is necessary for cell division and cellular synthesis.
BETA LACTAM RING
36
Bacteria secretes an enzyme
BETA LACTAMASE OR PENICILLINASE
37
Bacteria can produce a variety of enzymes that can inactivate penicillin and other beta-lactam antibiotics such as cephalosporins.
BETA LACTAMASE OR PENICILLINASE
38
● Penicillin G procaine ● Penicillin G benzathine ● Penicillin G sodium ● Penicillin V potassium
BASIC PENICILLINS
39
Effective against penicillinase- producing bacteria
Penicillinase-resistant penicillin (anti-staphylococcal penicillin)
40
Used to treat penicillinase producing S aureus
Penicillinase-resistant penicillin (anti-staphylococcal penicillin)
41
Oxacillin (prostaphlin, bactocill)
Example of Penicillinase-resistant penicillin (anti-staphylococcal penicillin)
42
Cloxacillin (tegopen, cloxapen)
Example of Penicillinase-resistant penicillin (anti-staphylococcal penicillin)
43
Dicloxacillin (dynapen)
Example of Penicillinase-resistant penicillin (anti-staphylococcal penicillin)
44
Nafcillin (nafcil, unipen)
Example of Penicillinase-resistant penicillin (anti-staphylococcal penicillin)
45
Effective against even more microbial species including pseudomonas aeruginosa, enterobacter, Klebsiella and bacteroides fragilis.
Extended spectrum penicillin (anti-pseudomonal penicillin)
46
Carbenicillin (Geocillin,geopen)
Example of Extended spectrum penicillin (anti-pseudomonal penicillin)
47
Piperacillin sodium (pipracil)
Example of Extended spectrum penicillin (anti-pseudomonal penicillin)
48
Mezlocillin sodium (Mezlin)
Example of Extended spectrum penicillin (anti-pseudomonal penicillin)
49
Piperacillin tazobactam (zosyn)
Example of Extended spectrum penicillin (anti-pseudomonal penicillin)
50
Broad spectrum antibiotic (amoxicillin) combined with a beta lactamase (enzyme) inhibitor (clavulanic acid), resulting antibiotic (amoxicillin-clavulanic acid [Augmentin]) inhibits the bacterial lactamases, making the antibiotic effective and extending the microbial effect.
BETA LACTAMASE INHIBITORS
51
Oral use: amoxicillin-clavulanic acid (Augmentin)
BETA LACTAMASE INHIBITORS
52
Parenteral use: ampicillin sulbactam (Unasyn), piperacillin-tazobactam (Zosyn) and ticarcillinclavulanic acid (Timentin)
BETA LACTAMASE INHIBITORS
53
Example of NSA
Penicillin and Erythromycin