WGU Pathophysiology D236 Exam Latest updated Graded A+
Question: How does the body respond to an infection?
Correct answer: T cells produce cytokines, which stimulate B
cells. B cells produce antibodies.
Question: What is 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: What factors disrupt homeostasis and how do
disruptions affect wellbeing?
Correct answer: Fluid and electrolyte shifts can cause nausea,
vomiting, or dysrhythmias.
Question: What is the Renin-Angiotensin-Aldosterone
System (RAAS)?
Correct answer: Reduced blood flow causes kidneys to
release renin, producing angiotensin I, which converts to angiotensin II, causing vasoconstriction and releasing aldosterone. Kidneys conserve sodium and water, resulting in less water lost in urine and maintained blood pressure.
Question: What characterizes 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: Which electrolyte increases in untreated acidosis?
Correct answer: Potassium.
Question: What is 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.
Question: What is Erythema infectiosum?
Correct answer: A febrile upper respiratory illness in a child
followed by the sudden appearance of red, flushed cheeks, known as "fifth disease."
Question: What are obesity and diabetes risk factors for in
terms of congenital abnormalities?
Correct answer: Spina bifida.
Question: What is Trousseau's sign?
Correct answer: Arm/carpal spasm associated with
hypocalcemia.
Question: What is the cause and a sign of spina bifida?
Correct answer: Results from failure of neural tube to close.
Sign: fluid-filled sac on lower back.
Question: In which gender is hemophilia more common?
Correct answer: Males.
Question: What does prenatal exposure to alcohol include?
Correct answer: Neurobehavioral disorder associated with
prenatal alcohol exposure (ND-PAE), decreased brain function, fetal alcohol syndrome (FAS).
Question: What are examples of connective tissue disorders
versus muscle tissue disorders?Correct answer: Connective: Rheumatoid arthritis,
scleroderma, lupus. Muscle: Multiple sclerosis, muscular
dystrophy, myasthenia gravis.