Common Infection relevant to DentalOffice

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Multiple Choice

Why is it important for dental professionals to understand transmissible diseases in the context of a dental office?

• To ensure patient and staff safety

• To improve dental treatment outcomes

• To reduce the risk of disease transmission

• All of the above

Multiple Choice

Which of the following is NOT a component of the chain of infection?

• Pathogens

• Portal of entry and Portal of exit

• Antibodies

• Mode of transmission

• reservoir or host

Multiple Select

which of the following are the features of true pathogens.

• Cause disease in healthy individuals

• High pathogenicity

• Can overcome host defenses

• Typically harmless

• Require compromised host defenses

Open Ended

Describe two ways in which understanding the chain of infection can help prevent the spread of diseases in a community.

Multiple Select

Which of the following are examples of pathogens?

• Bacteria

• Viruses

• Fungi

• Algae

• cestode

Multiple Select

Which of the following can act as a reservoir in the chain of infection?

• only human individual

• Animals and the environment

• treated clean water

• Medical equipment

• medical staff

Fill in the Blanks

The nose and mouth can serve as portals of

for infectious agents.

Reorder

Put the general and simple processes of infection into the suitable order?

• access the portal of entry

• attachment

• colonization

• infective

• released with portal of exit

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Select

Which of the following are examples of indirect transmission of infectious agents?

• Food and water

• Direct contact

• Fomites

• Vector borne

Multiple Choice

Which of the following is NOT a mode of transmission shown in the chain of infection?

• Direct contact

• Droplet spread

• Genetic inheritance

• Vehicle borne

Open Ended

Explain how the size of respiratory droplets affects their ability to transmit infectious diseases over different distances.

Fill in the Blanks

The portal of entry for respiratory infections is usually the

or nose.

Multiple Select

Which routes of entry are most relevant to the spread of the infectious diseases in dental offices?

• entry via the eye.

• fecal-oral route

• entry through skin

• respiratory route

• parenteral route

Open Ended

Why are blood, oral and respiratory secretions, and contaminated equipment significant in dental practice regarding infectious disease transmission?

Multiple Choice

Which of the following is the highest potential routes of transmission for blood-borne pathogens in a dental setting?

• Patient to DHCP

• DHCP to Patient

• Patient to Patient

• All of the above

Multiple Choice

Which of the following bacteria are catalase positive and commonly transmitted through contact and droplet routes?

• Staphylococci

• Streptococci

• Enterococci

• Cutibacterium

Multiple Select

Which of the following are characteristics of Staphylococcus aureus?

• Gram-positive

• Forms golden yellow colonies

• Coagulase positive

• Novobiocin resistant

Multiple Select

Which of the following are features commonly used for differentiation or grouping among streptococci?

• Gram-positive

• hemolytic patterns

• coagulase production

• Lancefield groups

• catalase production

Multiple Select

Which skin condition is typically caused by Staphylococcus aureus?

• Folliculitis

• Carbuncle

• Superficial impetigo

• Erysipelas

• pharyngitis

Multiple Select

Which disease is typically caused by viruses, and sometimes could be complicated by Streptococcus pyogenes with high morbidity?

• Folliculitis

• Carbuncle

• Superficial impetigo

• Erysipelas

• pharyngitis

Fill in the Blanks

the cell arrangement characteristic of pneumococci is

?

Multiple Choice

Which antibiotic is used for Streptococcus pneumoniae identification?

• penicillin

• methicillin

• bacitracin

• optochin

• erythromycin

Multiple Select

Which of the following diseases are upper respiratory diseases caused by pneumococci?

• rhinosinusitis

• pharyngitis

• scarlet fever

• otitis media

• pertussis

Fill in the Blanks

The bacteria causing tuberculosis have the wax-like layer of

on their cell wall.

Fill in the Blanks

Only the virulent strain of M. tuberculosis that have

factor may cause tuberculosis.

Multiple Choice

The bacteria causing tuberculosis need a special staining called ____?

• acid fast stain

• acid fast bacilli

• AFB

• gram stain

• mycolic stain

Multiple Choice

What is the size of the tuberculin skin test reaction for Dental Health Care Personnel to be considered a positive reaction?

• 0-5 mm

• 5-9 mm

• greater than 10 mm

• greater than 15 mm

• Depend on individuals

Multiple Select

What are the characteristic of herpes simplex viruses?

• double stranded DNA virus

• single stranded DNA virus

• naked virus

• enveloped virus

• double stranded RNA virus

Multiple Choice

Which is the typical site of latency of herpes simplex 1 ?

• trigeminal sensory ganglion

• lumbar or sacral sensory ganglion

• trigeminal and dorsal root ganglion

• monocytes, lymphocytes

• macrophages

Multiple Choice

Which is the typical site of latency of varicella zoster virus ?

• trigeminal sensory ganglion

• lumbar or sacral sensory ganglion

• trigeminal and dorsal root ganglion

• monocytes, lymphocytes

• macrophages

Multiple Choice

Which of the following is a common route of transmission for infectious diseases such as chickenpox?

• Skin discharge to air to respiratory tract

• Direct salivary transfer

• Urethral or cervical secretions

• Animal bite

• parenteral route

Multiple Select

What are the characteristics of hepatitis B virus?

• double stranded DNA virus

• single stranded DNA virus

• naked virus

• enveloped virus

• single stranded RNA virus

Multiple Choice

Who would have only anti-HBcAg and anti-HBsAg in their blood/ serum?

• resolved patients

• chronic patients

• vaccinated people (prior to encounter the virus)

Fill in the Blanks

In some individuals with acute infections, HBsAg becomes undetectable before anti-HBsAg appears. This is referred to as the

period?

Multiple Choice

Which hepatitis virus cannot produce the infective virion on its own and needs the helper virus for the envelope proteins?

• HAV

• HBV

• HCV

• HDV

• HEV

Multiple Select

What are the characteristics of Flavivirus?

• double stranded DNA virus

• single stranded DNA virus

• naked virus

• enveloped virus

• single stranded RNA virus

Multiple Choice

Which hepatitis virus is in the same family as Flavivirus?

• HAV

• HBV

• HCV

• HDV

• HEV

Fill in the Blanks

The

incubation period DENV replicates in mosquitoes before able to transmit the virus to new host.

Fill in the Blanks

The common epidemic vector of dengue is the _______ ________ mosquito..

Fill in the Blanks

Antigenic

is the phenomenon facilitated by the fragmented genome of the virus.

Multiple Select

Which of the following infectious agents are commonly transmissible through contact, blood, or airborne routes in a dental office?

• Streptococci

• Tuberculosis

• Hepatitis B virus

• Malaria

Open Ended

Reflecting on today's session, what is one key takeaway you have about the relevance of infectious diseases to dental practice?