Antimicrobial Agents Flashcards

1
Q

is a substance that either kills or inhibits the growth of microorganisms such as bacteria, fungi, or protozoans.

A

Antimicrobials

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2
Q

History
The history of antimicrobials begins with the observations of ___ and ___, who discovered that one type of bacteria could prevent the growth of another.

A

Pasteur and Joubert

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3
Q

Antimicrobial use is known to have been common practice for at least 2000 years.
Ancient Egyptians and ancient Greeks used specific molds and plant extracts to treat infection
The first known use of antibiotics was by the ancient Chinese over 2,500 years ago.
Chinese have discovered the therapeutic properties of moldy soybeans and used this substance to cure furuncles (pimples), carbuncles( boils), and similar infections.

A
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4
Q

coined the term chemotherapy

A

Ehrlich (1854-1915)

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5
Q

1929 Penicillin discovered by ___

A

Alexander Fleming

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6
Q

Alexander Fleming was the first to characterize penicillin’s activity. He found mold
contaminating his culture plates, with the clearing of staphylococcal colonies all around the mold. Fleming then isolated penicillin from the mold.

A
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7
Q

suggested that the usage of Quinine to cure malaria

A

Romanovsky

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8
Q

studied selective toxicity in the early 1900s

A

Paul Ehrlich

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9
Q

____ and ___ developed Salvarsan( Arsphenamine) against syphilis in 1910.

A

Paul Ehrlich and Sahachiro Hata

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10
Q

They created the concept of chemotherapy to treat microbial diseases

A

Paul Ehrlich and Sahachiro Hata

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11
Q

Sulfa drugs: discovered by ___ in the 1930s

A

Gerhard Domagk

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12
Q

Inhibit the growth of bacteria, ___ is the simplest

A

sulfanilamide

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13
Q

___ is a growth analog effective only against Mycobacterium

A

Isoniazid

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14
Q

Gerhard Domagk found that a chemical named ___ was effective in treating experimental infections in vivo “within the living”

A

Prontosil

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15
Q

1929: ___ discovered penicillin

A

Fleming

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16
Q

1940: ___ and ___ performed the first clinical trials of penicillin

A

Howard Florey and Ernst Chain

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17
Q

1942: ___, ___, and ___ utilized Fleming’s work to purify and extract penicillin for medicinal uses earning them the 1945 Nobel Prize in Medicine.

A

Howard Florey, Ernst Chain, and Edward Abraham

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18
Q

____, the first of the AMINOGLYCOSIDE antimicrobials was discovered by Selman Waksman in 1944 and the father of Antibiotic

A

STREPTOMYCIN

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19
Q

___ was awarded the Nobel Prize in Medicine for developing 22 antibiotics—most notably Streptomycin

A

Selman Waksman

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20
Q

the year chloramphenicol, neomycin, and tetracycline were discovered.

A

1953

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21
Q

the father of the Antibiotic

A

Selman Waksman

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22
Q

The first hospital use of a drug that we would name an antibiotic today was the so-called ___

A

Pyocyanase

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23
Q

Pyocyanase prepared by ___ and ___

A

Rudolph Emmerich and Löw

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24
Q

Pyocyanase prepared by Rudolph Emmerich and Löw (1899) from ___

A

Pseudomonas aeruginosa

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25
Q

The antibiotic era began with the pneumatic application of ___ drugs, followed by a “golden” period of discovery from about 1945 to 1970

A

nitroglycerine

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26
Q

The term ‘___’, meaning “against life,”

A

antibiosis

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27
Q

The term ‘antibiosis’, meaning “against life,” was introduced by the French bacteriologist ___ as a descriptive name for the phenomenon exhibited by these early antibacterial drugs.

A

Vuillemin

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28
Q
  • use of drugs to treat disease directly against
A

Chemotherapy

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29
Q

synthetic chemicals or any defined chemical (drug) used to treat disease caused by an invading organism, e.g., bacteria, virus, protozoan, or metazoan.

A

Chemotherapeutic agent-

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30
Q

-a microbial product or its derivatives that kills or inhibits the growth of susceptible organisms

A

Antibiotic

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31
Q

—is the invasion of body tissues by disease-causing microorganisms

A

Infection

32
Q

are chemicals that are too toxic for systemic use, but that are used as topical anti-infectives

A

Antiseptics

33
Q

are anti-infectives that are so toxic that they are applied only to inanimate objects.

A

Disinfectants

34
Q

___ drug: A drug that is used to inhibit the pathogenic activity of bacteria is called an antibacterial drug. Example: Zithromax.

A

Antibacterial

35
Q

___ drug: A drug that is used to prevent fungal activity in the host is called an antifungal drug. Example: Miconazole

A

Antifungal

36
Q

___ agent: A drug that is used to stop the pathogenic action of a virus is called as antiviral agent. Example: Tamiflu.

A

Antiviral

37
Q

___ drug: A drug used to prevent pathogenic parasites’ growth.
Example: Anthelmintics

A

Antiparasitic

38
Q

Zithromax is an example of a ___

A

Antibacterial

39
Q

Miconazole is an example of a ___

A

Antifungal

40
Q

Tamiflu is an example of a ___

A

Antifungal

41
Q

Anthelmintics is an example of a ___

A

Antiviral

42
Q

Antibiotics cannot fight viral infections.

Fleming predicted the rise of antibiotic resistance.

Antibiotics either kill or slow the growth of bacteria.

Side effects can include diarrhea, an upset stomach, and nausea.

A
43
Q

Amoxicillin. Drug Class:

A

Penicillin Antibiotics. …

44
Q

Augmentin

A

(amoxicillin/potassium clavulanate)

45
Q

Keflex

A

(cephalexin)

46
Q

Cleocin

A

(clindamycin)

47
Q

Zithromax

A

(azithromycin)

48
Q

Morgidox

A

(doxycycline hyclate)

49
Q

Vibramycin

A

(doxycycline hyclate)

50
Q

Flagyl

A

(metronidazole)

51
Q

___ are eukaryotic heterophic( not self-sustaining) organisms that live as saprobes or parasites.
They are complex organisms in comparison to bacteria.

A

Fungi

52
Q

Fungal infections are called as ___

A

mycoses

53
Q

An example of an azole drug is ___, commonly used to treat athlete’s foot, ringworm, vaginal yeast infections, and oral thrush

A

Clotrimazole

54
Q

___- Impairs ergosterol synthesis - Voriconazole

A

Azole

55
Q

___- Impairs ß 1,3 glucan synthesis - Caspofungin

A

Echinocandin

56
Q

___ - Impairs pyrimidine metabolism - Flucytosine

A

Nucleoside analog

57
Q

___- Binds to ergosterol - Amphotericin B deoxycholate

A

Polyene

58
Q

: a major component of fungal cell membranes.

A

Ergosterol

59
Q

: the study of fungi

A

Mycology

60
Q

any agent that is used in the treatment of an infectious disease caused by a virus.

A

Antiviral drug,

61
Q

are responsible for illnesses such as HIV/AIDS, influenza, herpes simplex type I (cold sores of the mouth) and type II (genital herpes), herpes zoster (shingles), viral hepatitis, encephalitis, infectious mononucleosis, and the common cold.

A

Viruses

62
Q

Used to treat infections caused by HIV, the virus that causes AIDS

A

Antiretroviral drugs

63
Q

are used to treat infestations caused by a diverse and complex group of organisms encompassing the unicellular protozoa, which have intricate life cycles often involving more than one host, as well as the helminths, which have highly developed organ systems

A

Antiparasitic agents

64
Q

(for most nematode infections)

A

Mebendazole

65
Q

(for most nematode infections)

A

Pyrantel pamoate

66
Q

(for roundworm infections)

A

Thiabendazole

67
Q

(for treatment of Lymphatic filariasis)

A

Diethylcarbamazine

68
Q

(for prevention of river blindness)

A

Ivermectin

69
Q

(for treatment of sleeping sickness caused by Trypanosoma brucei)

A

Melarsoprol

70
Q

(for sleeping sickness)

A

Eflornithine

71
Q

(for vaginitis caused by Trichomonas)

A

Metronidazole

72
Q

(for intestinal infections caused by Giardia lamblia)

A

Tinidazole

73
Q

Computers can now be used to design molecules to interact with specific microbial structures
Most successful example is ___
Binds to active site of HIV protease

A

saquinavir

74
Q

New methods of screening natural products are being used
Led to the discovery of ___

A

platensimycin

75
Q

-the therapeutic use of bacteriophages to treat pathogenic bacterial infections.

A

Bacteriophage therapy