WGU D115 OBJECTIVE ASSESSMENT (OA)
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EXAM | NEWEST ACTUAL EXAM COMPR h h h h h
EHENSIVE QUESTIONS AND VERIFIED AN h h h h
SWERS GRADED A+ | 100%PASS | 2025 U h h h h h h h h
PDATE!
What are the four distinct phases of infectious disease? -
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h✔✔✔ Correct Answer > 1. Incubation Period -
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hinitial exposure to onset of the first symptoms 2. Prodromal Stage -
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hoccurrence of initial symptomswhich are usually mild 3. Invasion Period-
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hpathogen is multiplying rapidly- h h h
hthe 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
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could be fatal h h
How do multifactorial disease and single-gene disease differ? -
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h✔✔✔ Correct Answer > In contrast to most single-
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gene diseases, recurrencerisks for multifactional disease can change signi
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ficantly from one population to another because gene frequencies, as we
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ll as environmental factors, can differ among populations.
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What are some effective countermeasures for infectious diseasetransmis
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sion? - h
✔✔✔ Correct Answer > Control insect vector population, modern sanit
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ation facilities, clean water, vaccines.
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, Define a gene-environment interaction? -
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✔✔✔ Correct Answer > A genetic condition that causes symptoms that
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is aggravated by environmental sources. -
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Cystic fibrosis causes pulmonary edema whichis worsened by smoking.
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What are some common diseases that are categorized as multifactorialin
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nature? - h
✔✔✔ Correct Answer > HTN, CAD, Cancers, Diabetes, Obesity, Alzheim
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er's Diseaseh
Describe some direct and indirect ways for transmission of infectious dise
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ases? - h
h✔✔✔ Correct Answer > Direct transmission is through direct contact w
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ith infections of another person (fungal, skin lesions, scabies, STIs, lice, he
h h h h h h h h h h h
rpes). Indirect transmission is through contact withcontaminated materi
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als or surfaces.
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Detail characteristics of HIV including causes, transmission, risks, treatm
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ents, etc. - ✔✔✔ Correct Answer > -
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causes Acquired Immodeficiency Syndrome (AIDS) - transmission-
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blood or blood products, IV drug use, intercourse -
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major immunologic finding in AIDS is the striking decrease in the number
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of CD4 + Th Cells. -
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Treatment forHIV infection is a combination of drugs called highly active
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antiretroviraltherapy (HAART), that attacks different portions of the viral
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replication pathway h
How do the incidence and prevalence rate differ? -
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✔✔✔ Correct Answer > Incidence rate is the number of new cases of a
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h h h h
EXAM | NEWEST ACTUAL EXAM COMPR h h h h h
EHENSIVE QUESTIONS AND VERIFIED AN h h h h
SWERS GRADED A+ | 100%PASS | 2025 U h h h h h h h h
PDATE!
What are the four distinct phases of infectious disease? -
h h h h h h h h h
h✔✔✔ Correct Answer > 1. Incubation Period -
h h h h h h h
hinitial exposure to onset of the first symptoms 2. Prodromal Stage -
h h h h h h h h h h h
hoccurrence of initial symptomswhich are usually mild 3. Invasion Period-
h h h h h h h h h h
hpathogen is multiplying rapidly- h h h
hthe immune and inflammatory responses have been activated.
h h h h h h h
4. Convalescence- immune-
h h
inflammatory system removes infection,symptoms subside...or disease
h h h h h h h
could be fatal h h
How do multifactorial disease and single-gene disease differ? -
h h h h h h h h
h✔✔✔ Correct Answer > In contrast to most single-
h h h h h h h h
gene diseases, recurrencerisks for multifactional disease can change signi
h h h h h h h h h
ficantly from one population to another because gene frequencies, as we
h h h h h h h h h h
ll as environmental factors, can differ among populations.
h h h h h h h
What are some effective countermeasures for infectious diseasetransmis
h h h h h h h h
sion? - h
✔✔✔ Correct Answer > Control insect vector population, modern sanit
h h h h h h h h h h
ation facilities, clean water, vaccines.
h h h h
, Define a gene-environment interaction? -
h h h h
✔✔✔ Correct Answer > A genetic condition that causes symptoms that
h h h h h h h h h h h
is aggravated by environmental sources. -
h h h h h h
Cystic fibrosis causes pulmonary edema whichis worsened by smoking.
h h h h h h h h h h
What are some common diseases that are categorized as multifactorialin
h h h h h h h h h h h
nature? - h
✔✔✔ Correct Answer > HTN, CAD, Cancers, Diabetes, Obesity, Alzheim
h h h h h h h h h h
er's Diseaseh
Describe some direct and indirect ways for transmission of infectious dise
h h h h h h h h h h
ases? - h
h✔✔✔ Correct Answer > Direct transmission is through direct contact w
h h h h h h h h h h
ith infections of another person (fungal, skin lesions, scabies, STIs, lice, he
h h h h h h h h h h h
rpes). Indirect transmission is through contact withcontaminated materi
h h h h h h h h
als or surfaces.
h h
Detail characteristics of HIV including causes, transmission, risks, treatm
h h h h h h h h
ents, etc. - ✔✔✔ Correct Answer > -
h h h h h h h
causes Acquired Immodeficiency Syndrome (AIDS) - transmission-
h h h h h h h
blood or blood products, IV drug use, intercourse -
h h h h h h h h
major immunologic finding in AIDS is the striking decrease in the number
h h h h h h h h h h h h
of CD4 + Th Cells. -
h h h h h h
Treatment forHIV infection is a combination of drugs called highly active
h h h h h h h h h h h h h
antiretroviraltherapy (HAART), that attacks different portions of the viral
h h h h h h h h h h
replication pathway h
How do the incidence and prevalence rate differ? -
h h h h h h h h
✔✔✔ Correct Answer > Incidence rate is the number of new cases of a
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