RADTC100: Ch. 17 - Infection Control Quiz

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Questions and Answers

Microorganisms that cause infectious diseases can be classified as?

Non-pathogenic

Saprophytic

Pathogenic (correct)

Fungal

The best method of preventing the spread of aerosol infections is by?

The patient wearing a mask (correct)

Vaccination

Using hand sanitizer

Isolating the patient

All of the following are types of indirect transmission EXCEPT?

Vector

Fomite

Aerosol

Touching (correct)

What is required for direct transmission?

Some sort of contact, like holding hands. Signup and view all the answers

The common cold is an example of an infection by a?

Virus Signup and view all the answers

The term that best describes the absolute removal of all life forms is?

Sterilization Signup and view all the answers

A person is bitten by a mosquito and develops an infection. This type of transmission is known as?

Vector Signup and view all the answers

A health care worker is accidentally punctured with a contaminated needle. This type of transmission is known as?

Fomite Signup and view all the answers

An outpatient develops a staphylococcal infection after a surgical procedure. This type of transmission is known as?

Nosocomial Signup and view all the answers

An infectious microbe can gain entrance into the human body by?

Ingression and penetration Signup and view all the answers

Hand washing employs which of the following methods of infection control?

Chemical and physical Signup and view all the answers

What does Asepsis mean?

Freedom from infection. Signup and view all the answers

What are Bacteria?

Prokaryotic, ubiquitous, single-celled organisms. Signup and view all the answers

What is Chemotherapy?

Treatment of disease by chemical agents. Signup and view all the answers

What is a Cyst?

Stage in the life cycle of certain parasites during which they are enclosed in a protective wall. Signup and view all the answers

What does Dimorphic refer to?

Occurring in two distinct forms. Signup and view all the answers

Define Diseases.

Deviations from or interruptions of the normal structure or function of any organ, or system. Signup and view all the answers

What are Disinfectants?

Chemicals used to eliminate pathogenic organisms. Signup and view all the answers

What are Eukaryotes?

Organisms whose cells have a true nucleus. Signup and view all the answers

What is Flora in the medical context?

Microbial community found on or in a healthy person. Signup and view all the answers

What is a Fomite?

Object that may harbor pathogenic microorganisms. Signup and view all the answers

What do Fungi refer to?

Eukaryotic organisms characterized by the absence of chlorophyll. Signup and view all the answers

What is meant by Health Care-Associated Infection (HAI)?

Infection that patients acquire while receiving treatment for another health care issue. Signup and view all the answers

Define Host.

Animal or plant that harbors another organism. Signup and view all the answers

What does Iatrogenic mean?

Resulting from the activities of physicians. Signup and view all the answers

What is Immunity?

Security against a particular disease. Signup and view all the answers

Define Infection.

Invasion and multiplication of microorganisms in body tissue. Signup and view all the answers

What is Medical Asepsis?

Reduction in numbers of infectious agents. Signup and view all the answers

What are Microorganisms?

Microscopic organisms of medical interest. Signup and view all the answers

What does Nosocomial refer to?

Pertaining to hospital-acquired infections. Signup and view all the answers

Study Notes

Microorganisms and Infections

Pathogenic microorganisms cause infectious diseases.
Common cold is caused by a virus.

Transmission Methods

Aerosol infections are best prevented by patients wearing masks.
Direct transmission requires contact, such as holding hands.
Indirect transmission types include fomites, vectors, and aerosols, with touching being an exception.

Infection Types

Vector transmission occurs when an infection spreads through a mosquito bite.
Fomite transmission occurs when a contaminated object causes infection, as seen with contaminated needles.
Outpatient infections post-surgery can be classified as nosocomial and fomite transmission.

Infection Entry and Control

Infectious microbes enter the body through ingression (surface adherence) and penetration (deeper tissue entry).
Handwashing utilizes both chemical and physical methods for infection control.
Asepsis refers to the state of being free from infection.

Microbial Characteristics

Bacteria are prokaryotic, single-celled organisms found everywhere.
Eukaryotes have cells with a true nucleus.
Fungi lack chlorophyll and have a rigid cell wall.
Flora refers to the community of microorganisms in a healthy person.

Infection Prevention and Treatment

Disinfectants are chemicals that eliminate or render pathogens inactive on inanimate surfaces.
Medical asepsis reduces the number of infectious agents but does not eliminate them completely.

Special Terms

Immunity is defined as the body's security against specific diseases.
Nosocomial infections occur while patients receive treatment for other health issues.
Iatrogenic infections result from medical intervention.
The term cyst refers to a protective stage in the life cycle of certain parasites.

Pathology Overview

Diseases manifest as deviations or interruptions in normal body structures or functions, often presenting with specific symptoms.

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Test your knowledge on infection control methods and classifications with these flashcards from RADTC100 Chapter 17. Learn about microorganisms, transmission types, and the best practices to prevent infections. Perfect for healthcare students and professionals!