Chain of Infection
Types of Infection
Asepsis
Specimen Handling & Delivery
Chain of Custody, Drug Testing & ABG
100

This is the first link in the chain of infection and can include viruses, bacteria, fungi, or protozoa.

What is an infectious agent/pathogen?

100

The common cold is an example of this type of infection that appears suddenly and resolves within weeks.

What is an acute infection?

100

This technique is also called clean technique.

What is medical asepsis?

100

Specimen delivery from collection stations to reference labs should be done this way.

What is as promptly as possible?

100

Chain of custody applies to drug screenings, forensic studies, blood alcohol tests, and this type of testing.

What is paternity testing?

200

This is the environment that supports the survival of pathogens.

What is a reservoir?

200

Hepatitis B is an example of this infection that can linger, sometimes forever.

What is a chronic infection?

200

Cleaning a venipuncture site with 70% isopropyl alcohol is an example of this.

What is medical asepsis?

200

Specimens sent to the lab should be placed in this type of bag with zipper seals.

What is a plastic biohazard bag?

200

This form documents handling and storage information for urine drug testing specimens.

What is the Federal Drug Testing Custody and Control Form, or CCF?

300

Respiratory, gastrointestinal, and urinary tracts are examples of this link in the chain.

What is a portal of exit?

300

Herpes simplex is an example of this infection because it has periods of remission and relapse.

What is a latent infection?

300

This technique is also called sterile technique.

What is surgical asepsis? 

300

This delivery method uses padded canisters through a tube network system.

What is a pneumatic tube system?

300

Chain of custody specimens are considered this, so they must not be tampered with.

What is legal evidence?

400

This link can be direct or indirect and allows pathogens to move to another host.

What is mode of transmission?

400

This type of infection affects people with weakened immune systems.

What is an opportunistic infection?

400

This asepsis goal is to eliminate microorganisms and prevent them from entering the body.

What is surgical asepsis?

400

This form should include the patient’s name, date, test type, provider name, ICD-10 code, and provider signature line.

What is a lab requisition form?

400

ABG samples should be delivered to the lab in this.

What is an ice slurry?

500

This is the main way to break the chain of infection.

What is effective hand hygiene?

500

Oral candidiasis is common in patients with AIDS and is an example of this type of infection.

What is an opportunistic infection?

500

This type of asepsis is mandatory for invasive procedures or when skin/mucous membranes are penetrated.

What is surgical asepsis?

500

This delivery method involves a courier transporting samples by vehicle.

What is an automated carrier?

500

This test measures blood pH, oxygen, and carbon dioxide levels from an artery.

What is an arterial blood gas test, or ABG?