1
PCOL 838 FINAL EXAM NEWEST WITH ACTUAL
QUESTIONS AND CORRECT DETAILED
ANSWERS|ALREADY GRADED A+ 100%
GUARANTEED PASS!
•
What is a vector in terms of infectious disease? - (answers)An organism that
carries a pathogen
Which of the following is a common example of a vector pathogen?
a.) Malaria
b.) COVID-19
c.) Ebola
d.) Tuberculosis - (answers)a.) Malaria
Which of the following are possible types of pathogens?
a.) Fungus
b.) Bacteria
c.) Protozoa
d.) Viruses
e.) Misfolded proteins
f.) All of the above - (answers)f.) All of the above
Kuru and mad cow disease is an example of what type of pathogen? -
(answers)Misfolded proteins
What is the difference between zoonotic pathogens and vector pathogens? -
(answers)Zoonotic pathogen = Microorganisms--> Animals --> Humans
, 2
Vector pathogens = Microorganisms --> Humans
Ixode ticks can transmit disease to humans as vectors. During which season can
they transmit the disease? - (answers)Summer and Spring when they are in
the nymph stage
What is the zoonotic host of the Ixode tick? - (answers)White-footed mouse
Which of the following comprises the innate immune system? Select all that
apply.
a.) T cells
b.) B cells
c.) Dendritic cells
d.) Neutrophils
e.) Basophils
f.) Eosinophils
g.) Natural Killer cells
h.) Macrophages - (answers)C, D, E, F, G, and H
Which of the following comprises the adaptive immune system? Select all that
apply.
a.) T cells
b.) B cells
c.) Dendritic cells
d.) Neutrophils
e.) Basophils
f.) Eosinophils
, 3
g.) Natural Killer cells
h.) Macrophages - (answers)A and B
T cells and B cells
What is in the stratum corneum layer that helps it act as a barrier to
pathogens? Select all that apply.
a.) CD8+ Tcells
b.) Commensal microbes
c.) Low pH
d.) Antimicrobial properties
e.) Langerhans cells
f.) Lipids
g.) Macrophages - (answers)B, C, D, and F
CD8+ T cells, Commensal microbes, Low pH, antibacterial properties, and Lipids
Which of the following are considered to be barrier defenses in preventing
infection?
a.) Skin
b.) Respiratory tract
c.) Digestive tract
d.) Reproductive tract
e.) All of the above - (answers)e.) All of the above
Which of the following pathways require an antibody?
a.) The classical pathway
b.) The alternative pathway - (answers)b.) The alternative pathway
PCOL 838 FINAL EXAM NEWEST WITH ACTUAL
QUESTIONS AND CORRECT DETAILED
ANSWERS|ALREADY GRADED A+ 100%
GUARANTEED PASS!
•
What is a vector in terms of infectious disease? - (answers)An organism that
carries a pathogen
Which of the following is a common example of a vector pathogen?
a.) Malaria
b.) COVID-19
c.) Ebola
d.) Tuberculosis - (answers)a.) Malaria
Which of the following are possible types of pathogens?
a.) Fungus
b.) Bacteria
c.) Protozoa
d.) Viruses
e.) Misfolded proteins
f.) All of the above - (answers)f.) All of the above
Kuru and mad cow disease is an example of what type of pathogen? -
(answers)Misfolded proteins
What is the difference between zoonotic pathogens and vector pathogens? -
(answers)Zoonotic pathogen = Microorganisms--> Animals --> Humans
, 2
Vector pathogens = Microorganisms --> Humans
Ixode ticks can transmit disease to humans as vectors. During which season can
they transmit the disease? - (answers)Summer and Spring when they are in
the nymph stage
What is the zoonotic host of the Ixode tick? - (answers)White-footed mouse
Which of the following comprises the innate immune system? Select all that
apply.
a.) T cells
b.) B cells
c.) Dendritic cells
d.) Neutrophils
e.) Basophils
f.) Eosinophils
g.) Natural Killer cells
h.) Macrophages - (answers)C, D, E, F, G, and H
Which of the following comprises the adaptive immune system? Select all that
apply.
a.) T cells
b.) B cells
c.) Dendritic cells
d.) Neutrophils
e.) Basophils
f.) Eosinophils
, 3
g.) Natural Killer cells
h.) Macrophages - (answers)A and B
T cells and B cells
What is in the stratum corneum layer that helps it act as a barrier to
pathogens? Select all that apply.
a.) CD8+ Tcells
b.) Commensal microbes
c.) Low pH
d.) Antimicrobial properties
e.) Langerhans cells
f.) Lipids
g.) Macrophages - (answers)B, C, D, and F
CD8+ T cells, Commensal microbes, Low pH, antibacterial properties, and Lipids
Which of the following are considered to be barrier defenses in preventing
infection?
a.) Skin
b.) Respiratory tract
c.) Digestive tract
d.) Reproductive tract
e.) All of the above - (answers)e.) All of the above
Which of the following pathways require an antibody?
a.) The classical pathway
b.) The alternative pathway - (answers)b.) The alternative pathway
