BIO 3401 Exam Questions & Answers
(Grade A+)
Zoonotic disease: (Zoonoses ?) -
correct answer ✅Transmission of an infectious agent as a result of
direct or indirect contact with an infected animal
pathogen -
correct answer ✅any disease causing agent
Kochs postulates -
correct answer ✅1. Pathogen must be isolated from animals that
died of the disease
2. Pathogen must be grown in pure culture +
identified
3. Pathogen from pure culture induce the same
disease when injected into healthy animals
4. Pathogen must be re-isolated / re-identified
from the second animal and re-grown in
pure culture
Sylvanic (Sylvatic) -
correct answer ✅The cycle
,BIO 3401 Exam Questions & Answers
(Grade A+)
in nature of the pathogen
(vector-reservoir)
vector -
correct answer ✅an organism, often an invertebrate
arthropod, that transmits a pathogen from a
reservoir to a host
reservoir -
correct answer ✅a long-term host of a pathogen
[e.g. mouse & hantavirus (in this instance the host
can also be the vector as the virus is transmitted via
mouse excreta)] Typically "subclinical"
fomite -
correct answer ✅an inanimate object that can transmit an
infectious agent (e.g. medical equipment)
clinical disease -
correct answer ✅Visible or detectable symptoms
, BIO 3401 Exam Questions & Answers
(Grade A+)
in an individual infected with the pathogen
sub clinical disease -
correct answer ✅no visible or detectable
symptoms in a host despite being infected with
the pathogen
incubation period -
correct answer ✅Time between pathogen
exposure and onset of symptoms
pandemic -
correct answer ✅epidemic of infectious disease that has spread
through human populations across a large region; for instance
multiple continents, or even worldwide
epidemic -
correct answer ✅a widespread occurrence of an infectious disease
in a community at a particular time.
(Grade A+)
Zoonotic disease: (Zoonoses ?) -
correct answer ✅Transmission of an infectious agent as a result of
direct or indirect contact with an infected animal
pathogen -
correct answer ✅any disease causing agent
Kochs postulates -
correct answer ✅1. Pathogen must be isolated from animals that
died of the disease
2. Pathogen must be grown in pure culture +
identified
3. Pathogen from pure culture induce the same
disease when injected into healthy animals
4. Pathogen must be re-isolated / re-identified
from the second animal and re-grown in
pure culture
Sylvanic (Sylvatic) -
correct answer ✅The cycle
,BIO 3401 Exam Questions & Answers
(Grade A+)
in nature of the pathogen
(vector-reservoir)
vector -
correct answer ✅an organism, often an invertebrate
arthropod, that transmits a pathogen from a
reservoir to a host
reservoir -
correct answer ✅a long-term host of a pathogen
[e.g. mouse & hantavirus (in this instance the host
can also be the vector as the virus is transmitted via
mouse excreta)] Typically "subclinical"
fomite -
correct answer ✅an inanimate object that can transmit an
infectious agent (e.g. medical equipment)
clinical disease -
correct answer ✅Visible or detectable symptoms
, BIO 3401 Exam Questions & Answers
(Grade A+)
in an individual infected with the pathogen
sub clinical disease -
correct answer ✅no visible or detectable
symptoms in a host despite being infected with
the pathogen
incubation period -
correct answer ✅Time between pathogen
exposure and onset of symptoms
pandemic -
correct answer ✅epidemic of infectious disease that has spread
through human populations across a large region; for instance
multiple continents, or even worldwide
epidemic -
correct answer ✅a widespread occurrence of an infectious disease
in a community at a particular time.
