WGU D236 Pathophysiology Study Guide – Exam Prep & Notes

WGU Pathophysiology D236
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Describe how your body responds to an infection. -
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correct answer✔ ✔
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T cells produce cytokines, which stimulate B cells. B cells
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produce antibodies. cb




Identify role of DNA changes in congenital abnormalities. -
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correct answer✔ ✔
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Mutations in genes or chromosomal abnormalities
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How does development disrupts congenital abnormalities? -
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correct answer✔ ✔ Alterations of DNA
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Describes factors that disrupt homeostasis and how disruption
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s affect wellbeing. - correct answer✔ ✔
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(ex) Fluid and electrolyte shifts can cause n/v or dysrhythmi
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as.


Explain RAAS - correct answer✔ ✔ Renin-angiotensin-
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aldosterone system cb



1. Reduce blood flow causes kidneys to release renin
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,> produce angiotensin I > converts angiotensin I to angiotensi
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n II > vasoconstriction > release aldosterone > kidneys conser
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ve sodium and water > Result less water lost in urine and blo
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od pressure maintained.
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DKA - correct answer✔ ✔
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increased anion gap, decreased HCO3 cb cb cb cb




How do kidneys compensate for alkalosis - correct answer✔
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✔ retain H and excrete HCO3 cb cb cb cb




Untreated acidosis leads to an increase in which electrolyte? -
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correct answer✔ ✔ Potassium
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West Nile Virus - correct answer✔ ✔
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Transmitted through the bite of an infected mosquito. Sever
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e signs and symptoms; high fever, headache and stiff neck
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Lyme disease - correct answer✔ ✔ Tick-
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borne disease caused by the spirochete Borrelia burgdorferi.
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,Erythema infectiosum - correct answer✔ ✔
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a febrile upper respiratory illness in a child followed by the
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sudden appearance of red, flushed cheeks, "fifth disease"
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Obesity ad diabetes are risk factors for having a child with __
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___. - correct answer✔ ✔ Spina bifida
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Trousseau's sign - correct answer✔ ✔
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arm/carpal spasm associated with hypocalcemia
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Cause and sign of spina bifida - correct answer✔ ✔
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results from failure of neural tube to close. sign -
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fluid filled sac on lower back.
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hemophilia is more common in - correct answer✔ ✔ males
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Prenatal exposure to alcohol includes - correct answer✔ ✔
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ND-PAE, decreased brain function, FAS
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Connective vs muscle tissue disorders - correct answer✔ ✔
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Connective- RA, Scleroderma, Lupus cb cb cb

, Muscle - MS, Muscular dystrophy, Myasthenia Gravia
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Describe Lupus - correct answer✔ ✔
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Inflammatory disorder characterized by joint pain and butter
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fly rash
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Describe Myasthenia Gravis - correct answer✔ ✔
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It is an autoimmune disorder where antibodies attack own A
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ch receptors. This causes weakness of skeletal muscles over t
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he course of the day, along with ptosis, double vision, and dif
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ficulty swallowing.
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dermatitis - correct answer✔ ✔ inflammation of the skin
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eczema - correct answer✔ ✔
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noninfectious, inflammatory skin disease characterized by re
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dness, blisters, scabs, and itching
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decubitus ulcer - correct answer✔ ✔
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sore caused by lying down for long periods of time
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