3. Transmission of Infection Quiz Flashcards Preview

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Flashcards in 3. Transmission of Infection Quiz Deck (12)
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1

What are the 6 links in the chain of infection (6)

Infectious Agent
The Reservoir
Means of Exit
Mode of Transmission
Portal of Entry
Susceptible Host

2

Which of the following infection control measures would you adopt if you had
a patient with MRSA in your dental surgery?
a. Refuse to treat the patient.
b. Refer the patient to the Dental Hospital.
c. Ask the patient to return later for treatment at the end of the day (to reduce chance
of transmission to other patients).
d. Treat the patient and then disinfect the whole surgery and waiting room, dispose of
all dental instruments used on the patient.
e. Treat the patient as you would do for any other patient using Standard Infection
Control Precautions (SICP’s)

e. Treat the patient as you would do for any other patient using Standard Infection
Control Precautions (SICP’s)

3

Which of the following infection control measures would you adopt if you had
a patient who has recently recovered from Clostidium difficile infection
presenting for dental treatment in your surgery?
a. Refuse to treat the patient.
b. Refer the patient to the Dental Hospital.
c. Ask the patient to return later for treatment at the end of the day (to reduce chance
of transmission to other patients).
d. Treat the patient and then disinfect the whole surgery and waiting room, dispose of
all dental instruments used on the patient.
e. Treat the patient as you would do for any other patient using Standard Infection
Control Precautions (SICP’s).

e. Treat the patient as you would do for any other patient using Standard Infection
Control Precautions (SICP’s).

4

Which of the following infection control measures would you adopt if you had
a patient with HIV in your dental surgery?
a. Refuse to treat the patient.
b. Refer the patient to the Dental Hospital.
c. Ask the patient to return later for treatment at the end of the day (to reduce chance
of transmission to other patients).
d. Treat the patient and then disinfect the whole surgery and waiting room, dispose of
all dental instruments used on the patient.
e. Treat the patient as you would do for any other patient using Standard Infection
Control Precautions (SICP’s).

e. Treat the patient as you would do for any other patient using Standard Infection
Control Precautions (SICP’s).

5

List the Ten elements of Standard Infection Control Precautions (SICP’s) (10)

Patient Placement
Hand Hygiene
Respiratory Hygiene and Cough Etiquette
Personal Protective Equipment (PPE)
Management of Care Environment
Control of the Environment
Safe Management of Linen
Management of Blood and Body Fluid Spillages
Safe Disposal of Waste
Occupational Exposure Management (including sharps)

6

List 3 possible modes for the transmission of infection and an example of an
infectious agent
Mode of transmission
Infectious agent
Disease/symptoms
Example: Food borne Salmonella enteritidis diarrhea and vomiting

Droplet Transmission; influenza; flu virus
Airborne spread; TB; TB
Blood-blood contact; HIV; HIV

7

A commensal micro-organism may be defined as
a. a micro-organism that elicits an inflammatory response for the host
b. a micro-organism that is transmitted by hand to hand contact only
c. a micro-organism that tolerates low pH conditions
d. a micro-organism that cannot be detected using routine laboratory techniques
e. a micro-organism that is associated with the host but causes no harm.

e. a micro-organism that is associated with the host but causes no harm.

8

Provide an example of a commensal micro-organism

Streptococcus pyogenes

9

Colonisation of a wound by micro-organisms means that;
a. the micro-organisms must be treated by antibiotics
b. the micro-organisms must be treated by an antiseptic
c. the micro-organisms do not require treatment
d. the micro-organisms should be removed by debridement
e. the micro-organisms should only be treated if they are resistant to antibiotic

c. the micro-organisms do not require treatment

10

Regarding the current Influenza vaccine for the 2017/18 flu season (northern
hemisphere winter) it is recommended that trivalent vaccines contain the
following:
· an A/Michigan/45/2015 (H1N1)pdm09-like virus;
· an A/Hong Kong/4801/2014 (H3N2)-like virus; and
· a B/Brisbane/60/2008-like virus.
From these formulations what do the symbols H1N1 or H3N2 mean?
a. Hyaluronidase and Neuraminidase
b. Hyaluronidase and Neuroaminidase
c. Haemagglutinin and Neuralgia
d. Haemoglobin and Neuraminidase
e. Haemagglutinin and Neuraminidase

e. Haemagglutinin and Neuraminidase

11

Which group of people should NOT get a free flu vaccine;
a. Anyone with a health condition
b. People aged 65 or over
c. 16-18 year olds
d. Pregnant women
e. Dental practitioners

c. 16-18 year olds

12

In 1854 what did John Snow remove to halt an epidemic of cholera in
London?

Removed the handle of a water pump on Broad (now Broadwick) Street