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Immunity, Infection and Forensics

Hospital acquired infections and their control

  • 3 things to know
  • Papers 1 and 3

Overview

Recall questions on the causes of hospital acquired infection, codes of practice for prescribing, and infection control measures.

What you need to know

Answer each one before you reveal it.

Your recallNot started
Key term

Explain how the overuse of antibiotics contributes to hospital acquired infections.

Key term

State three factors that contribute to hospital acquired infections.

Key term

How can hospital staff and equipment act as vectors for hospital acquired infections?

Questions from this subtopic

Each one with the model answer underneath.

  1. 1

    State three factors that contribute to hospital acquired infections.

    Model answer

    Overuse and misuse of antibiotics leading to antibiotic resistance, poor hygiene practices, and transmission between patients via staff or equipment.

  2. 2

    Explain how the overuse of antibiotics contributes to hospital acquired infections.

    Model answer

    Overuse of antibiotics selects for antibiotic-resistant bacteria, which can then spread within hospitals and cause infections that are difficult to treat.

  3. 3

    How can hospital staff and equipment act as vectors for hospital acquired infections?

    Model answer

    Pathogens can be transmitted between patients via contaminated hands of staff or via shared equipment that has not been properly sterilised.

  4. 4

    State four codes of practice for antibiotic prescription.

    Model answer

    Prescribing antibiotics only when necessary, using narrow-spectrum antibiotics where possible, completing full courses, and avoiding prophylactic use.

  5. 5

    Why is it recommended to use narrow-spectrum antibiotics where possible?

    Model answer

    Narrow-spectrum antibiotics target specific bacteria, reducing selection pressure on other bacterial species and limiting the development of widespread antibiotic resistance.

  6. 6

    What is meant by prophylactic use of antibiotics, and why should it be avoided?

    Model answer

    Prophylactic use means prescribing antibiotics to prevent infection before it occurs. It should be avoided because it promotes the development of antibiotic resistance.

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