Bacterial, Viral, Fungal, and Parasitic Infections - ATI Chapter 56 Flashcards Preview

461 - Foundations Exam 2 > Bacterial, Viral, Fungal, and Parasitic Infections - ATI Chapter 56 > Flashcards

Flashcards in Bacterial, Viral, Fungal, and Parasitic Infections - ATI Chapter 56 Deck (161)
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1

______ are the micro-organisms or microbes that cause infections.

Pathogens

2

_____ is the ability of a pathogen to invade the host and cause disease.

Virulence

3

_____ is a common viral infection that erupts years after exposure to chickenpox and invades a specific nerve tract.

Herpes zoster i

4

_______ is the most common type of pathogen (Staphylococcus aureus, Escherichia coli, Mycobacterium tuberculosis)

bacteria

5

______ are organisms that use the host's genetic machinery to reproduce (rhinovirus, HIV, hepatitis, herpes zoster, herpes simplex)

viruses

6

____ are molds and yeasts (Candida albicans, Aspergillus)

fungi

7

_____ are protein particles that have the ability to cause infections (Creutzfeldt-Jakob disease).

prions

8

____ are organisms that live on and often cause harm to a host organism.

parasites

9

Malaria and toxoplasmosis are examples of

protozoa

10

Worms: flatworms, roundworms are examples of

Helminths

11

Schistosomes are examples of

Flukes

12

Lice, mites, ticks are examples of

Arthropods

13

The infection process (________) includes the following.

chain of infection

14

______ of infections include bacteria, viruses, fungus, prion and parasites.

causative agent

15

Examples of ______ of infection include humans, animals, food, water, soil, insects, and fomites.

reservoir

16

Portals of exit from (means leaving) the host

respiratory tract
gastrointestinal tract
genitourinary tract
skin/mucous membranes
blood/body fluids

17

HIV and hepatitis B and C exit the body (portal of exit) via ______.

blood/body fluids

18

Herpes simplex virus and varicella exit the body (portal of exit) via ______.

skin/mucous membranes

19

Escherichia coli, herpes simplex virus (type 1), HIV exit the body (portal of exit) via _______.

genitourinary tract

20

Shigella, Salmonella enteritidis, Salmonella typhi, hepatitis A, C. diff exit the body (portal of exit) via ______.

gastrointestinal tract

21

Mycobacterium tuberculosis and Parainfluenza virus exit the body (portal of exit) via ______.

respiratory tract

22

Modes of transmissions

contact
droplet
airborne
vector-borne

23

Contact modes of transmission

direct physical contact
indirect contact with a vehicle of transmission
fecal-oral transmission

24

Person to person transmission is known as _____ contact.

direct physical

25

Inanimate objects, water, food, and blood are modes of transmission known as _______.

indirect contact with a vehicle of transmission

26

Handling food after using a restroom and failing to wash hands result in the _______.

fecal-oral transmission

27

_____ transmission is when large droplets travel through the air up to 3 to 6 feet (sneezing, coughing, and talking).

droplet

28

_____ transmission is when small droplets remain int he air and can travel extended distances depending on airflow (sneezing and coughing)

airborne

29

_____ transmission occurs when animals or insects as intermediaries (ticks transmit Lyme disease; mosquitoes transmit West Nile virus and malaria).

vector-borne

30

The portal of ______ to the host is often the same as the portal of exit.

entry