1 | Page
HCB 102 Unit 1 Questions and Correct
Answers
Antibacterial Ans: effective against bacteria
Antiseptic Ans: arresting growth of microorganisms
Asepsis Ans: condition of being aseptic
Bacteria Ans: single-celled microorganisms
Blood-borne Pathogen Ans: causative agent located in the blood
Contagious Disease Ans: infectious disease communicable by
contact
Contaminated Ans: infected by contact
Direct Contact Ans: Junction of body surfaces
Disinfectant Ans: substance to free from infection by destroying
microorganisms
Disinfection Ans: process to free from infection by destroying
microorganisms
Fungi Ans: any of the kingdom, saprophytic, and parasite spore-
producing eukaryotic
© 2025 All rights reserved
, 2 | Page
Health care associated infections (HAIs) Ans: infection acquired in
a hospital
Infection Ans: material contaminated with an infective agent
Isolation Ans: A separation to prevent from those who are
infected to those who are susceptible
microorganism Ans: An organism of microscopic or
ultramicroscopic size
Pathogen Ans: disease producing microorganisms
Standard Precautions Ans: group of infection prevention practices
regardless of diagnosis
Chain of Infection Ans: Infectious agent, reservoir, portal of exit,
mode of transmission, portal of entry and susceptible host
Infectious agents (pathogens) Ans: bacteria, virus, protozoa, fungi,
and helminthes
Viruses Ans: DNA or RNA in a protein coating
Protozoa Ans: Unicellular microorganisms that infect blood
Helminthes Ans: Parasitic worms or flukes
Reservoir Ans: A place where pathogen grows
© 2025 All rights reserved
, 3 | Page
Portal of Exit Ans: An exit route for pathogens to leave its host
mode of transmission Ans: The manner in which an infectious
agent moves from one source to another
Contact Ans: most frequent source of HAIs
Indirect contact Ans: Contact with contaminated inanimate
objects
vector transmission Ans: occurs through bite
Droplet infection Ans: occurs when the droplets from an infected
person project into host
airborne transmission Ans: occurs when particles dispersed enter
host by inhalation
portal of entry Ans: place where pathogen enters body
Susceptible host Ans: a person becomes ill after pathogen enters
body and they cannot fight pathogen
hand hygiene Ans: single most effective method of preventing the
spread of microorgansims
Soap or detergent Ans: Aids in the removal of organisms
Antimicrobial Ans: Kills the growth of microorganisms
© 2025 All rights reserved
HCB 102 Unit 1 Questions and Correct
Answers
Antibacterial Ans: effective against bacteria
Antiseptic Ans: arresting growth of microorganisms
Asepsis Ans: condition of being aseptic
Bacteria Ans: single-celled microorganisms
Blood-borne Pathogen Ans: causative agent located in the blood
Contagious Disease Ans: infectious disease communicable by
contact
Contaminated Ans: infected by contact
Direct Contact Ans: Junction of body surfaces
Disinfectant Ans: substance to free from infection by destroying
microorganisms
Disinfection Ans: process to free from infection by destroying
microorganisms
Fungi Ans: any of the kingdom, saprophytic, and parasite spore-
producing eukaryotic
© 2025 All rights reserved
, 2 | Page
Health care associated infections (HAIs) Ans: infection acquired in
a hospital
Infection Ans: material contaminated with an infective agent
Isolation Ans: A separation to prevent from those who are
infected to those who are susceptible
microorganism Ans: An organism of microscopic or
ultramicroscopic size
Pathogen Ans: disease producing microorganisms
Standard Precautions Ans: group of infection prevention practices
regardless of diagnosis
Chain of Infection Ans: Infectious agent, reservoir, portal of exit,
mode of transmission, portal of entry and susceptible host
Infectious agents (pathogens) Ans: bacteria, virus, protozoa, fungi,
and helminthes
Viruses Ans: DNA or RNA in a protein coating
Protozoa Ans: Unicellular microorganisms that infect blood
Helminthes Ans: Parasitic worms or flukes
Reservoir Ans: A place where pathogen grows
© 2025 All rights reserved
, 3 | Page
Portal of Exit Ans: An exit route for pathogens to leave its host
mode of transmission Ans: The manner in which an infectious
agent moves from one source to another
Contact Ans: most frequent source of HAIs
Indirect contact Ans: Contact with contaminated inanimate
objects
vector transmission Ans: occurs through bite
Droplet infection Ans: occurs when the droplets from an infected
person project into host
airborne transmission Ans: occurs when particles dispersed enter
host by inhalation
portal of entry Ans: place where pathogen enters body
Susceptible host Ans: a person becomes ill after pathogen enters
body and they cannot fight pathogen
hand hygiene Ans: single most effective method of preventing the
spread of microorgansims
Soap or detergent Ans: Aids in the removal of organisms
Antimicrobial Ans: Kills the growth of microorganisms
© 2025 All rights reserved
