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WGU PATHOPHYSIOLOGY D236{
LATEST A+ GRADED)QUE STIONS
& ANSWERS}VERIFIED A NSWERS
Question :Describe how your body responds to an
infection.
Correct answer: T cells produce cytokines, which
stimulate B cells. B cells produce antibodies.
Question :Identify the role of DNA changes in congenital
abnormalities.
Correct answer: Mutations in genes or chromosomal
abnormalities
Question :How does development disrupt congenital
abnormalities?
Correct answer: Alterations of DNA
Question :Describe factors that disrupt homeostasis and
how disruptions affect wellbeing.
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Correct answer: (ex) Fluid and electrolyte shifts can cause
nausea/vomiting or dysrhythmias.
Question :Explain RAAS
Correct answer: Renin-angiotensin-aldosterone system
Reduced blood flow causes kidneys to release renin, which produces angiotensin I.
Angiotensin-converting enzyme (ACE) converts angiotensin I to angiotensin II.
Angiotensin II causes vasoconstriction and the release of aldosterone.
Aldosterone causes the kidneys to conserve sodium and water.
Result: Less water lost in urine and blood pressure
maintained.
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Question :What are the key characteristics of Diabetic
Ketoacidosis (DKA)?
Correct answer: Increased anion gap, decreased HCO3
Question :How do kidneys compensate for alkalosis?
Correct answer: Retain H+ and excrete HCO3-
Question :Untreated acidosis leads to an increase in which
electrolyte?
Correct answer: Potassium
Question :Describe West Nile Virus.
Correct answer: Transmitted through the bite of an
infected mosquito. Severe signs and symptoms include high fever, headache, and stiff neck.
Question :What is Lyme disease?
Correct answer: Tick-borne disease caused by the
spirochete Borrelia burgdorferi.
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Question :What is Erythema infectiosum?
Correct answer: A febrile upper respiratory illness in a
child followed by the sudden appearance of red, flushed cheeks, also known as "fifth disease."
Question :Obesity and diabetes are risk factors for having
a child with _____.
Correct answer: Spina bifida
Question :What is Trousseau's sign?
Correct answer: Arm/carpal spasm associated with
hypocalcemia
Question :What is the cause and sign of spina bifida?
Correct answer: Results from failure of the neural tube to
close. Sign - fluid-filled sac on lower back.