WGU D115 OBJECTIVE ASSESSMENT (OA) v v v v
EXAM | NEWEST ACTUAL EXAM COMPR v v v v v
EHENSIVE QUESTIONS AND VERIFIED AN v v v v
SWERS GRADED A+ | 100% PASS | 2025 U v v v v v v v v
PDATE!
What are the four distinct phases of infectious disease? -
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v ✔✔✔ Correct Answer > 1. Incubation Period -
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vinitial exposure to onset of the first symptoms 2. Prodromal Stage -
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voccurrence of initial symptoms which are usually mild 3. Invasion Period-
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vpathogen is multiplying rapidly- v v v
vthe immune and inflammatory responses have been activated.
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4. Convalescence- immune-
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inflammatory system removes infection, symptoms subside...or disease v v v v v v v
could be fatal v v
How do multifactorial disease and single-gene disease differ? -
v v v v v v v v
v✔✔✔ Correct Answer > In contrast to most single-
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gene diseases, recurrence risks for multifactional disease can change signi
v v v v v v v v v
ficantly from one population to another because gene frequencies, as wel
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l as environmental factors, can differ among populations.
v v v v v v v
What are some effective countermeasures for infectious disease transmi
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ssion? - v
v✔✔✔ Correct Answer > Control insect vector population, modern sa
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nitation facilities, clean water, vaccines.
v v v v
, Define a gene-environment interaction? -
v v v v
v✔✔✔ Correct Answer > A genetic condition that causes symptoms tha
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t is aggravated by environmental sources. -
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Cystic fibrosis causes pulmonary edema which is worsened by smoking.
v v v v v v v v v v
What are some common diseases that are categorized as multifactorial in
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nature? -
v v
✔✔✔ Correct Answer > HTN, CAD, Cancers, Diabetes, Obesity, Alzhei
v v v v v v v v v v
mer's Disease v
Describe some direct and indirect ways for transmission of infectious dise
v v v v v v v v v v
ases? - v
v✔✔✔ Correct Answer > Direct transmission is through direct contact
v v v v v v v v v v
with infections of another person (fungal, skin lesions, scabies, STIs, lice, h
v v v v v v v v v v v
erpes). Indirect transmission is through contact with contaminated mater
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ials or surfaces.
v v
Detail characteristics of HIV including causes, transmission, risks, treatme
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nts, etc. - ✔✔✔ Correct Answer > -
v v v v v v v
causes Acquired Immodeficiency Syndrome (AIDS) - transmission-
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blood or blood products, IV drug use, intercourse -
v v v v v v v v
major immunologic finding in AIDS is the striking decrease in the number
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of CD4 + Th Cells. -
v v v v v
Treatment for HIV infection is a combination of drugs called highly active
v v v v v v v v v v v v v
antiretroviral therapy (HAART), that attacks different portions of the viral
v v v v v v v v v v
replication pathway v
How do the incidence and prevalence rate differ? -
v v v v v v v v
✔✔✔ Correct Answer > Incidence rate is the number of new cases of a
v v v v v v v v v v v v v v
EXAM | NEWEST ACTUAL EXAM COMPR v v v v v
EHENSIVE QUESTIONS AND VERIFIED AN v v v v
SWERS GRADED A+ | 100% PASS | 2025 U v v v v v v v v
PDATE!
What are the four distinct phases of infectious disease? -
v v v v v v v v v
v ✔✔✔ Correct Answer > 1. Incubation Period -
v v v v v v v
vinitial exposure to onset of the first symptoms 2. Prodromal Stage -
v v v v v v v v v v v
voccurrence of initial symptoms which are usually mild 3. Invasion Period-
v v v v v v v v v v
vpathogen is multiplying rapidly- v v v
vthe immune and inflammatory responses have been activated.
v v v v v v v
4. Convalescence- immune-
v v
inflammatory system removes infection, symptoms subside...or disease v v v v v v v
could be fatal v v
How do multifactorial disease and single-gene disease differ? -
v v v v v v v v
v✔✔✔ Correct Answer > In contrast to most single-
v v v v v v v v
gene diseases, recurrence risks for multifactional disease can change signi
v v v v v v v v v
ficantly from one population to another because gene frequencies, as wel
v v v v v v v v v v
l as environmental factors, can differ among populations.
v v v v v v v
What are some effective countermeasures for infectious disease transmi
v v v v v v v v
ssion? - v
v✔✔✔ Correct Answer > Control insect vector population, modern sa
v v v v v v v v v
nitation facilities, clean water, vaccines.
v v v v
, Define a gene-environment interaction? -
v v v v
v✔✔✔ Correct Answer > A genetic condition that causes symptoms tha
v v v v v v v v v v
t is aggravated by environmental sources. -
v v v v v v
Cystic fibrosis causes pulmonary edema which is worsened by smoking.
v v v v v v v v v v
What are some common diseases that are categorized as multifactorial in
v v v v v v v v v v
nature? -
v v
✔✔✔ Correct Answer > HTN, CAD, Cancers, Diabetes, Obesity, Alzhei
v v v v v v v v v v
mer's Disease v
Describe some direct and indirect ways for transmission of infectious dise
v v v v v v v v v v
ases? - v
v✔✔✔ Correct Answer > Direct transmission is through direct contact
v v v v v v v v v v
with infections of another person (fungal, skin lesions, scabies, STIs, lice, h
v v v v v v v v v v v
erpes). Indirect transmission is through contact with contaminated mater
v v v v v v v v
ials or surfaces.
v v
Detail characteristics of HIV including causes, transmission, risks, treatme
v v v v v v v v
nts, etc. - ✔✔✔ Correct Answer > -
v v v v v v v
causes Acquired Immodeficiency Syndrome (AIDS) - transmission-
v v v v v v v
blood or blood products, IV drug use, intercourse -
v v v v v v v v
major immunologic finding in AIDS is the striking decrease in the number
v v v v v v v v v v v v v
of CD4 + Th Cells. -
v v v v v
Treatment for HIV infection is a combination of drugs called highly active
v v v v v v v v v v v v v
antiretroviral therapy (HAART), that attacks different portions of the viral
v v v v v v v v v v
replication pathway v
How do the incidence and prevalence rate differ? -
v v v v v v v v
✔✔✔ Correct Answer > Incidence rate is the number of new cases of a
v v v v v v v v v v v v v v
