Disease Transmission Methods

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Questions and Answers

Cytomegalovirus transmission during kidney transplantation is categorized under which type of transmission?

  • Vector-borne Transmission
  • Organ Transplantation (correct)
  • Vehicle-borne Transmission
  • Direct Transmission

What distance typically limits droplet spread between a source and a host?

  • 60-90 cm
  • 100-150 cm
  • 10-20 cm
  • 30-60 cm (correct)

Which factor is NOT traditionally included in the '5 F's' of indirect transmission?

  • Flies
  • Fomites
  • Fruits (correct)
  • Fingers

Which disease is commonly transmitted through vertical transmission?

<p>Syphilis (D)</p> Signup and view all the answers

The transmission of an infectious agent via contaminated water is classified as what type of transmission?

<p>Vehicle-borne transmission (D)</p> Signup and view all the answers

Dust particles play what role in the indirect transmission of diseases?

<p>They can harbor infectious agents. (C)</p> Signup and view all the answers

What is a crucial characteristic of an infectious agent for successful indirect transmission?

<p>It must be able to survive outside the host. (A)</p> Signup and view all the answers

Which of the following diseases is primarily spread through droplet transmission?

<p>Tuberculosis (B)</p> Signup and view all the answers

What is the most common mechanism of vector-borne disease transmission?

<p>Inoculation (C)</p> Signup and view all the answers

Which condition exemplifies vehicle-borne transmission?

<p>Food poisoning (C)</p> Signup and view all the answers

Flashcards

What is Vector-borne transmission?

Transfer of a disease agent via a living organism (e.g., mosquitoes, ticks).

What is Vehicle-borne transmission?

Transfer of a disease agent via a contaminated inanimate object (e.g., water, food).

Can organ transplantation introduce disease?

Transplantation can introduce disease agents such as cytomegalovirus.

Usual distance of droplet Spread?

Droplet spread is characteristically limited to 30-60 cm between source and host.

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The traditional 5 F's

Flies, fingers, fomites, food, and fluid.

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What is Vertical Transmission?

Transfer from mother to offspring

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Characteristic of infectious agents

Infectious agents survive outside hosts.

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What is inoculation?

Inoculation is a method of vector-borne transmission.

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What is food poisoning?

An example of a vehicle-borne transmission.

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The role of dust

Dust can harbor infectious agents.

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Study Notes

  • Cytomegalovirus can be introduced during organ transplantation.
  • Droplet spread is usually limited to a distance of 30-60 cm between source and host.
  • Diseases transmitted by droplet spread include only respiratory infections.
  • Dust plays a key role in the indirect transmission of infections.
  • Vertical transmission does not involve the direct contact between individuals for the transmission of disease agents.

Types of Transmission

  • Organ transplantation can result in the introduction of disease agents like cytomegalovirus.
  • Common distance for droplet spread in infectious diseases is 30-60 cm.
  • "Fruits" is NOT included in the traditional 5 F's of indirect transmission; the traditional 5 Fs are Flies, Fingers, Fomites, Food and water.
  • Syphilis is an example of a disease transmitted through vertical transmission.
  • Vehicle-borne transmission involves the infectious agent being transmitted through water, food, or biological products.
  • Dust can harbor infectious agents in the context of indirect disease transmission.
  • A characteristic of the infectious agent for indirect transmission is that it must be able to survive outside the host.
  • Tuberculosis is transmitted by droplet spread.
  • Inoculation is the primary method of vector-borne transmission.
  • Food poisoning is an example of a vehicle-borne transmission.

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