Modes of Transmission- Chap 20

Question 1

What is the most frequent mode of transmission?

Answer 1

CONTACT

Question 2

Virulence of organism =

Answer 2

the power of an org to cause disease

Question 3

occurs when there is physical contact (body to body) between an infected person and a susceptible person.

Answer 3

direct contact

Question 4

What is “cohorting”

Answer 4

Putting pt’s together that have the same organisms

Question 5

Contact rooms should have their own designated PPE. T or F

Answer 5

True

Question 6

refers to the way in which the pathogen moves or is carried from the source’s portal of exit

Answer 6

MODE of transmission

Question 7

5 Types of mode of transmissions

Answer 7

Contact
Vehicle
Droplet
Airborne
Aerosol

Question 8

occurs when a susceptible host contacts a contaminated object

Answer 8

indirect contact

Question 9

Hand Hygiene

Answer 9

Soap and water
Alcohol Based Hand Sanitizer

Question 10

What causes C diff? How do you get C diff?

Answer 10

C Diff comes from contact w. the bacteria from feces or infected environment; can occur from taking abx- once infected, spores are in the feces & can live on any surface

Question 11

DON vs DOFF

Answer 11

Don- To put on (outside room)
Doff- To put off (as you exit room)

Question 12

How far can droplets move?

Answer 12

At least 3 ft (particles are heavier so they drop) > 5micrometers

Question 13

PPE for droplet precautions

Answer 13

Surgical mask if at least 3-6 feet away
Pts on droplet precaution need surgical mask if they are leaving their room to other depts - receiving dept must be notified
Door can be cracked

Question 14

fine particles suspended in air that contain a pathogen- Less than 5 micrometers so they can move

Answer 14

airborne transmission

Question 15

Example of airborne transmission is

Answer 15

Covid
Tuberculosis
Measles
Varicella

Question 16

PPE for airborne transmission rooms

Answer 16

Negative air pressure rooms
N-95 mask
Closed Door

Question 17

PPE for contact rooms

Answer 17

Gown and gloves
Cracked Door

Question 18

biological or mechanical mode of transmission
Examples?

Answer 18

vector transmission
via creatures that carry pathogens/Mosquitoes
Fomites/inanimate objects

Question 19

transfer of pathogens by way of vehicles or contaminated items
Examples?

Answer 19

Vehicle transmission
Food contanination

Question 20

Infections that can be passed via droplet transmission

Answer 20

Influenza
Meningococcal Meningitis
Diphtheria, Pertussis
Rubella
common respiratory viruses

Question 21

person whose own body defense mechanisms, when exposed, cannot withstand the invasion of pathogens- immunocompromised

Answer 21

Susceptible Host

Question 22

Transmission of large droplets through sneezing, coughing, or talking

Answer 22

Droplet transmission

Question 23

Infections that can be passed via contact transmission

Answer 23

MDROs
Herpes Simplex
Impetigo
Conditions involving bodily fluids that cannot be contained

Question 24

Precautions for airborne transmission

Answer 24

Private AIIR; respirator/ N95 mask for nurse; mask worn by the patient during transport out of the room

Question 25

Precautions for a droplet transmission

Answer 25

Private room or cohort w/ pt of same infection;
Surgical mask required when working within 3 ft of the patient; Mask worn by the patient during transport

Question 26

Precautions for a contact transmission

Answer 26

Private room or cohort w/ pt of same infection;
Gloves at all times (don before entering room and remove before leaving);
Hand hygiene immediately after removal of gloves
Gown and protective barriers when direct contact with patient occurs; Patient-dedicated equipment, such as stethoscope and blood pressure cuff

Question 27

physical transfer of organisms btwn infected/colonized persons and susceptible persons through any type of contact w/ contaminated surfaces

Answer 27

contact transmission