Chapter 13 -14 Flashcards

1
Q

The most common fungal infection

A

Candida albicans

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2
Q

The composition of a fungi cell wall

A

contains ergosterol in cell walls

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3
Q

How does the composition of the cell wall relate to antifungal medications?

A

inhibit the growth or break down ergosterol

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4
Q

Fluconazole mechanism

A

blocks the synthesis of ergosterol

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5
Q

Fluconazole cidal or static

A

cidal

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6
Q

Fluconazole adverse effects

A

diarrhea, itching, hepatitis

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7
Q

Fluconazole contraindications

A

pregnancy, liver dysfunction

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8
Q

Amphotericin B mechanism

A

inhibits ergosterol synthesis

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9
Q

Amphotericin B cidal or static

A

cidal

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10
Q

Amphotericin B adverse effects

A

infuction reactions, anemia, renal failure

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11
Q

Amphotericin B contraindications

A

use caution with renal dysfunction and monitor use with other renal toxic medications

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12
Q

Nystatin mechanism

A

inhibits ergosterol synthesis

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13
Q

Nystatin adverse effects

A

well-tolerated

mild diarrhea, rash

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14
Q

Nystatin contraindications

A

hypersensitivity

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15
Q

Clotrimazole mechanism

A

inhibits ergosterol synthesis

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16
Q

Clotrimazole adverse effects

A

itiching, nausea, vomiting

abnormal liver function tests

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17
Q

Oral candidiasis is also known as…

A

oral thrush

18
Q

What is the infectious agent that causes malaria?

A

caused by protozoan Plasmodium

19
Q

How is it transferred from person to person?

A

via mosquitos

20
Q

Adverse effects of chloroquine

A
irreversible retinal damage
deafness
deadly rashes
liver damage
aplastic anemia, agranulocytosis, thrombocytopenia
21
Q

Adverse effects of metronidazole

A

GI effects
metallic taste
urine color changes

22
Q

Contraindications of metronidazole

A

must avoid alcohol (causes you to puke)

23
Q

What does our immune system do?

A

clears foreign substances from blood
fights infections diseases
maintains tissue fluid balance

24
Q

What organs does the lymphatic system include?

A

lymph vessels, lymph nodes, thymus, spleen, tonsils

25
Medical term for white blood cells
lymphocytes
26
What is the difference between an antigen and an antibody?
antigen - any substance that causes an immune system to produce antibodies against it antibody - a large, Y-shaped protein produced mainly by plasma cells that is used by the immune system to identify and neutralize pathogens such as bacteria and viruses
27
Function of T cells
directly attack foreign cells help other immune cells recognize foreign material termed cell-mediated immunity
28
Function of B cells
develop into plasma cells and create antibodies to the antigens on pathogenic bacteria termed humoral immunity antibodies bind to antigens and inhibit bacterial antigens from creating the pathogenic effect
29
Function of Macrophages
engulf foreign bacteria and digest for elimination | called phagocytosis
30
Define acquired immunity
not inherited and results from the development of antibodies in response to an antigen, as from exposure to an infectious disease or through vaccination.
31
Define innate immunity
inborn system that compromises of the cells and mechanisms that defend the host from infection by other organisms
32
Active immunity
when a person is actually exposed to an antigen and B cells produce antibodies that the body is able to use to remember the antigen
33
Passive immunity
when a person is given antibodies either via their mothers breast milk or via antisera body will not have memory for future exposures
34
What are vaccines?
trigger immune response/antibody formation upon exposure to pathogens
35
Inactivated vaccines
pieces of killed virus containing antigens
36
Live attenuated
manipulated to remove toxin
37
Toxoids
contain protein toxins released by bacteria
38
Vaccine myths
``` do not cause autism are not poisonous do not give you the flu do not give you the disease are not a government conspiracy ```
39
Reference for Vaccines
Pinkbook
40
Adult/Elderly Immunizations
Pneummococcal vaccine every 5 years Tetanus and diphtheria booster every 10 years Hepatitis B vaccine for healthcare employees Herpes Zoster vaccine 50+ years