WGU Pathophysiology D236 Questions and
Answers
Describe how your body responds to an infection.
Ans: T cells produce cytokines, which stimulate B cells. B cells produce
antibodies.
Identify role of DNA changes in congenital abnormalities.
Ans: Mutations in genes or chromosomal abnormalities
How does development disrupts congenital abnormalities?
Ans: Alterations of DNA
Describes factors that disrupt homeostasis and how disruptions
affect wellbeing.
Ans: (ex) Fluid and electrolyte shifts can cause n/v or dysrhythmias.
Explain RAAS
Ans: Renin-angiotensin-aldosterone system
1. Reduce blood flow causes kidneys to release renin
> produce angiotensin I > converts angiotensin I to angiotensin II >
vasoconstriction > release aldosterone > kidneys conserve sodium and
water > Result less water lost in urine and blood pressure maintained.
DKA
Ans: increased anion gap, decreased HCO3
How do kidneys compensate for alkalosis
Ans: retain H and excrete HCO3
Untreated acidosis leads to an increase in which electrolyte?
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Ans: Potassium
West Nile Virus
Ans: Transmitted through the bite of an infected mosquito. Severe signs
and symptoms; high fever, headache and stiff neck
Lyme disease
Ans: Tick-borne disease caused by the spirochete Borrelia burgdorferi.
Erythema infectiosum
Ans: a febrile upper respiratory illness in a child followed by the sudden
appearance of red, flushed cheeks, "fifth disease"
Obesity ad diabetes are risk factors for having a child with _____.
Ans: Spina bifida
Trousseau's sign
Ans: arm/carpal spasm associated with hypocalcemia
Cause and sign of spina bifida
Ans: results from failure of neural tube to close. sign - fluid filled sac on
lower back.
hemophilia is more common in
Ans: males
Prenatal exposure to alcohol includes
Ans: ND-PAE, decreased brain function, FAS
Connective vs muscle tissue disorders
Ans: Connective- RA, Scleroderma, Lupus
Muscle - MS, Muscular dystrophy, Myasthenia Gravia
Describe Lupus
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Ans: Inflammatory disorder characterized by joint pain and butterfly
rash
Describe Myasthenia Gravis
Ans: It is an autoimmune disorder where antibodies attack own Ach
receptors. This causes weakness of skeletal muscles over the course of
the day, along with ptosis, double vision, and difficulty swallowing.
dermatitis
Ans: inflammation of the skin
eczema
Ans: noninfectious, inflammatory skin disease characterized by redness,
blisters, scabs, and itching
decubitus ulcer
Ans: sore caused by lying down for long periods of time
Fungal infections
Ans: superficial, localized skin conditions or deep tissue infections
caused by exposure to spores
may or may not be transmitted
benign neoplasm
Ans: noncancerous growths, stationary, distinct borders
malignant neoplasm
Ans: uncontrolled new tissue growth, irregular borders, spreads
Osteoporosis
Ans: The loss of bone mass often due to age, causing the bones to
become porous, brittle, and easily fractured.
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