CST Chapter 4

_________ is defined as the state of being soiled or infected by contact with infectious organisms or other material

Most bacteria are approximately ________ microns in size

Sunlight is lethal to the ________________ stage of pathogens

Healthy people do not harbor or transmit bacteria

• A.

  True

• B.

  False

Anerobic bacteria require free oxygen to live

• A.

  True

• B.

  False

Viruses are larger than bacteria

• A.

  True

• B.

  False

The spore is the functional center of cell

• A.

  True

• B.

  False

Staphylococcus is classified as a gram positive bacteria

• A.

  True

• B.

  False

All microorganisms are harmful to humans

• A.

  True

• B.

  False

Central service techs can protect patients by breaking the chain of infection

• A.

  True

• B.

  False

Spores help some microorganisms survive in adverse conditions

• A.

  True

• B.

  False

All bacteria require the same conditions to live and grow

• A.

  True

• B.

  False

Psychrophiles grow best at warm temps

• A.

  True

• B.

  False

Microorganisms reproduce by a process called

• A.

  Repopulation

• B.

  Binary fission

• C.

  Replication

• D.

  Bilateral reproduction

For safety purposes central servies techs should consider all microorganisms in the decontamination area

• A.

  Gram positive

• B.

  Gram negative

• C.

  Manageable

• D.

  Potentially infectious

The part of a cell that controls cell function is the

• A.

  Cytoplasm

• B.

  Nucleus

• C.

  Cell membrane

• D.

  Capsule

A mode of bacterial transmission that would take place when an infectious agent was transmitted through an item such as food or water is called

• A.

  Contact

• B.

  Common vehicle

• C.

  Airborne

• D.

  Vector-borne

________ is an example of a fungus

• A.

  Pneumonia

• B.

  Tuberculosis

• C.

  Athlete's foot

• D.

  Herpes simplex type 2