Anti infective Drugs II Flashcards

1
Q

Properties of a virus

A

Intracellular- do not live outside host

Take over cells genetic material & kill host cell

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2
Q

viruses are spread by

A

inhalation, ingestion, inoculation

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3
Q

Common viral infections

A
Smallpox
Warts
influenza
Resp infection 
HIV/AIDS
Hep ABCDE
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4
Q

Viral infection

Latent infection

A

persists in an inactive form for months/ years

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5
Q

Viral infections

Oncoviruses

A

viral nucleic acid becomes integrated with host DNA which results in development of cancer

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6
Q

Antiviral MOA

A

inhibit replication by:
Blockig replication transcription, translation, of viral genetic material
does not destroy existing virus infected cells

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7
Q

Viruses controlled by antiviral medications

A

Herpes, Varicella zoster
Influenza
Hep ABC

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8
Q

Virus controlled by vaccine

A
Hep A&B
Measles, mumps 
Tetnus
Polio
Meningitis
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9
Q

Goal of antivirals

A

limit the spread of the virus
Protection, symptom contro and reduction
people with a competent immune system have best response

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10
Q

How else can we prevent viral infections

A
Vaccines 
Cough etiquette
Hand hygiene 
PPE
isolation 
Harm reduction
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11
Q

Herpes drugs (2)

A

Acyclovir & Valacyclovir

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12
Q

Herpes Viral Infections are highly transmissible through ____.

A

contact

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13
Q

Herpes is curable Tor F

A

F it is not curable

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14
Q

Hereps- Outbreaks occur with periods of latency To F

A

F latency requires stimulant to present symptoms and can go moths without symptoms

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15
Q

Acyclovir drug is for best taken with

A

Herpes Simplex Virus

food

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16
Q

Acyclovir drug for herpes will do what for the pt

A

decrease viral shedding, pain, duration of genital herpes lesions
less itchy, pain, and heal faster

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17
Q

Adverse effect of Acyclovir

A

N&V, Fatigue, headache< nephrotoxicity, burning on application

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18
Q

Valacyclovir is a drug for

A

herpes simplex virus

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19
Q

valacyclovir is a oral prep for

A

recurrent genital herepes and zoster virus

indicated for less serious infection

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20
Q

Antiviral drugs are used to

A

treat infections caused by viruses other than HIV

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21
Q

Antiretrovial drugs are used to

A

treat infection caused by HIV just need to know their therapeutic effect not drug profiles

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22
Q

characteristic of Antiviral

A

Able to enter the cells that are infected with virus
Interfere with viral nucleic acid synthesis or regulation or both
Prevent the fusion process
Some stimulate the body’s immune system

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23
Q

Chemoprophylaxis

A

administering a drug to prevent a disease

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24
Q

HIV is a _____ virus

A

retrovirus

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25
Q

a retrovirus is

A

a virus that enters its RNA to the DNA of a cell changing the genome

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26
Q

Anti- Retroviral Therapy

A

indicated for treatment ofHIV infection

prophylaxis(prevtnion) for infants/HCP at risk

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27
Q

Why wouldn’t we give Anti- Retroviral Therapy?

A

intolerance, drug toxicity, drug interactions

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28
Q

What would we teach a pt on Anti Retroviral Therapy

A

Compliance for success
Drug resistance possibility
life long therapy

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29
Q

when should we assess for adverse effects on anti retroviral drugs

A

2 times first month and ever 3 months after

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30
Q

Influenza A&B medications

A

Oseltamivir &

Zanamivir

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31
Q

when should treatment begin with influenza symptom onset

A

2 days

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32
Q

Indication for Influenza A orB

A

treating a uncomplicated acute illness in adults

Influenza A&B prevents budding irons from escaping infected cells which would reduce the duration of the illness

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33
Q

Oseltamivir is a medication for?

A

Influenza A&B

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34
Q

for prophylaxis 3 months or older or any age oral use what medication would be used

A

Oseltamivir

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35
Q

Adverse effects of Oseltamivir

A

N&V, skin reaction, insomnia, confusion, seizure

36
Q

Zanamivir is a medication for

A

Influenza A&b

37
Q

Zanamivir is used for prophylaxis of ____ and treatment for _____.

A

5 years and older

7 years and older

38
Q

Zanamivir route is

A

inhalation

39
Q

People with a respect disease should not use___ for Influenza A orB

A

Zanamivir

40
Q

Adverse effects of Zanamivir

A

Dierrhea, Nausea, bronchospasm

41
Q

What would nurses do before administering Anti viral medication

A
med history 
vitals
nutirtion 
monitor dose 
monitor signs of opportunistic diseases
42
Q

what can we teach a individual on Antiviral

A
prevention is best 
do not cure or prevent spread 
use gloves to apply 
wash hands 
Encourage vaccinations
43
Q

TB is highly infective, most common sites are ___&___. Caused by inhalation &___.

A

lungs and lymphs

Droplet

44
Q

Tb is spread through

A

blood and lymph

45
Q

symptom of TB are

A

sickness, weakness, weight loss, night sweats, coughing, chest pain

46
Q

Anti tubercular Drugs treat ___ forms of mycobacterium

A

All

47
Q

Mycobacterium is more difficult to treat than most other bacterial infections T or F

A

T

48
Q

multidrug resistance to TB is a public health crisis

A

True

49
Q

First line drugs to mycobacterium

A

isoniazid (INH)
pyrazinamide
rifampin
ethambutol– initial 2 months

50
Q

Effectiveness on Anti tubercular drugs depends on

A
type of infection 
dosing
duration of treatment 
drug adherence 
drug combination
51
Q

What is the drug of choice for active TB and post exposure prophylaxis

A

Isoniazid

52
Q

Isoniazid MOA

A

inhibits mycobacterial cell wall synthesis and interferes with metabolism

53
Q

Adverse effects of Isoniazid

A

peripheral neuropathies
hepatotoxicity
ABD pain
Jaunidice

54
Q

Drugs that interact with Isoniazid

A

Antacid/ decrease absorption

additive affect with rifampin/ increases CNS & hepatotoxicity

55
Q

Rifampin MOA

A

inhibits RNA synthesis by blocking RnA transcription in mycobacterium

56
Q

Rifampin indication

A

active TB

57
Q

Rifampin Adverse effects

A
hepatitis 
discolouration of urine, stools
ABD pain 
Diarrhea, nausea, heartburn
Thrombocytopenia
58
Q

Drugs that interact with Rifampin

A

increases metabolism of many drugs

decreases therapeutic effects of beta blockers

59
Q

Pyrazinamide MOA

Oral only

A

convert pyrazinoic acid in susceptible strains or mycobacterium which lowers Ph of envirmoent
Bacteriostatic

60
Q

Pyrazinamide Adverse effects

A
Hepatotoxicity
Hyperuricemia- elevated acid 
malaise 
GI upset 
Dysuria
61
Q

Contraindications for Anti TB drugs

A

Major liver/ kidney dysfunction
severe drug allergy
Chronic alcohol use

62
Q

Nursing implication- inform pt treatment may last for __hr for Anti TB

A

24hr

63
Q

Nursing implication if taking rifampin

A

secretions become red/brown

oral contraceptives might be ineffective

64
Q

Inform pt they may still be infective proper prevention of spreading is crucial like.

A

hand washing

65
Q

What are some examples of Fungi

A

Yeasts/molds

Dimorphric fungi

66
Q

Pathogenic Fungi

These infections re also known as

A

Mycoses

67
Q

what are the 4 types pf fungal infections

A

Cutaneous
Subcutaneous
superficial
Systemic

68
Q

Candidiasis is a opportunistic Fungal Infection that is a mucosal infection that can occur in a healthy or non healthy immune system

A

True

69
Q

Anti fungal MOA

A

Binds the alters the cell membrane

plus more slide 49

70
Q

Polyenes- Amphotericin B

Antifungal

A

Highly toxic

Long half life

71
Q

Adverse effects of Polyenes

Antifungal

A

Nephrotoxicity-reduces renal blood flow
Cardiac dysrhythmias
fever/ chills
N&v

72
Q

Amphotericin B How to manage Adverse effects

A

Hydrate with NS
Administer lipid formations
Monitor & replace electrolytes

73
Q

When to stop infusion for Amphotericin- Adverse effects

A

Is resp distress

O2, E, IV, IV steroids and airway management are required

74
Q

Polyenes- Nystatin is used for ?

A

Candidiasis of skin and mucosa

75
Q

Polyenes/ Nystatin is poorly absorbed T or F

A

true

76
Q

Adverse effects of Polyene/Nystatin

A

N&V, diarrhea
rash
urticaria
Vaginal burning and itching

77
Q

Azoles-are the largest group of anti fungal and may cause hepatitis

A

T

78
Q

Fluconazole Diflucan is the drug of choice for localized _____

A

Candidiasis is a fungal infection caused by a yeast (a type of fungus)

79
Q

OTC Azoles examples

A

Clotrimazole & Miconazole

80
Q

Clotrimazole is topical/ intravaginally route

A

True

this is for oral/ vaginal candidiasis

81
Q

Miconazole is a Fungacidal

A

true

82
Q

Miconazole is used for..

A

Vulvovaginal candidiasis refers to vaginal and vulval symptoms caused by a yeast, most often Candida albicans.

83
Q

Clotrimazole and Miconale have higher doses so therapy is _____ length

A

shorter

84
Q

Contraindications of Antifungals

A

Hypersensitivity
liver failure
Renal Failue
Pregnancy

85
Q

what would we monitor as a nurse ?

A

Vitals- IV q15-30 min
Labs
Adverse effects

86
Q

Immunocompromised pt should avoid exposure to potted plants and flowers & damp environments

A

true these have fungus