NU623 QUIZ 3 HERZING
UNIVERSITY 2026 COMPLETE
QUESTIONS AND ACCURATE
ANSWERS GRADE A+
◉ Infectious Disease. Answer: An illness caused by a microorganism or
virus that enters and multiplies in the body and causes damage (may or
may not be communicable)
◉ Infection. Answer: The successful colonization and multiplication of
microorganisms within a host, with or without symptoms
◉ Infectious. Answer: Able to spread from one host to another
◉ Incubation Period. Answer: The time between exposure to a pathogen
and onset of symptoms
◉ Asymptomatic Carrier. Answer: A person who carries and transmits a
pathogen but shows no symptoms
◉ Reservoir. Answer: Where microorganisms live, accumulate, or
persist (humans, animals, nonliving environments)
◉ Reproductive Number (R0). Answer: The average number of people
one infected individual will infect
, ◉ High R0 Means. Answer: The disease is highly contagious
◉ Epidemic. Answer: Sudden increase in disease cases above expected
level in a population
◉ Pandemic. Answer: An epidemic that spreads across countries or
continents
◉ Endemic. Answer: Disease constantly present at low level in a
population
◉ Zoonosis. Answer: A disease that primarily infects animals but can
spill over to humans
◉ Chain of Infection 6 Links. Answer: Infectious agent → Reservoir →
Portal of exit → Mode of transmission → Portal of entry → Susceptible
host
◉ Portal of Entry. Answer: Breaks in skin, mucous membranes,
ingestion, placenta
◉ Portal of Exit. Answer: Coughing, saliva, blood, feces, urine, semen,
skin
UNIVERSITY 2026 COMPLETE
QUESTIONS AND ACCURATE
ANSWERS GRADE A+
◉ Infectious Disease. Answer: An illness caused by a microorganism or
virus that enters and multiplies in the body and causes damage (may or
may not be communicable)
◉ Infection. Answer: The successful colonization and multiplication of
microorganisms within a host, with or without symptoms
◉ Infectious. Answer: Able to spread from one host to another
◉ Incubation Period. Answer: The time between exposure to a pathogen
and onset of symptoms
◉ Asymptomatic Carrier. Answer: A person who carries and transmits a
pathogen but shows no symptoms
◉ Reservoir. Answer: Where microorganisms live, accumulate, or
persist (humans, animals, nonliving environments)
◉ Reproductive Number (R0). Answer: The average number of people
one infected individual will infect
, ◉ High R0 Means. Answer: The disease is highly contagious
◉ Epidemic. Answer: Sudden increase in disease cases above expected
level in a population
◉ Pandemic. Answer: An epidemic that spreads across countries or
continents
◉ Endemic. Answer: Disease constantly present at low level in a
population
◉ Zoonosis. Answer: A disease that primarily infects animals but can
spill over to humans
◉ Chain of Infection 6 Links. Answer: Infectious agent → Reservoir →
Portal of exit → Mode of transmission → Portal of entry → Susceptible
host
◉ Portal of Entry. Answer: Breaks in skin, mucous membranes,
ingestion, placenta
◉ Portal of Exit. Answer: Coughing, saliva, blood, feces, urine, semen,
skin
