WGU PATHOPHYSIOLOGY D236
EXAM QUESTIONS WITH CORRECT
SOLUTIONS
Describe how your body responds to an infection. - correct-answer - T cells
produce cytokines, which stimulate B cells. B cells produce antibodies.
Identify role of DNA changes in congenital abnormalities. - correct-answer -
Mutations in genes or chromosomal abnormalities
How does development disrupts congenital abnormalities? - correct-answer -
Alterations of DNA
Describes factors that disrupt homeostasis and how disruptions affect wellbeing. -
correct-answer - (ex) Fluid and electrolyte shifts can cause n/v or dysrhythmias.
Explain RAAS - correct-answer - 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.
, 2
DKA - correct-answer - increased anion gap, decreased HCO3
How do kidneys compensate for alkalosis - correct-answer - retain H and excrete
HCO3
Untreated acidosis leads to an increase in which electrolyte? - correct-answer -
Potassium
West Nile Virus - correct-answer - Transmitted through the bite of an infected
mosquito. Severe signs and symptoms; high fever, headache and stiff neck
Lyme disease - correct-answer - Tick-borne disease caused by the spirochete
Borrelia burgdorferi.
Erythema infectiosum - correct-answer - 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 _____. - correct-answer
- Spina bifida
, 3
Trousseau's sign - correct-answer - arm/carpal spasm associated with
hypocalcemia
Cause and sign of spina bifida - correct-answer - results from failure of neural tube
to close. sign - fluid filled sac on lower back.
hemophilia is more common in - correct-answer - males
Prenatal exposure to alcohol includes - correct-answer - ND-PAE, decreased brain
function, FAS
Connective vs muscle tissue disorders - correct-answer - Connective- RA,
Scleroderma, Lupus
Muscle - MS, Muscular dystrophy, Myasthenia Gravia
Describe Lupus - correct-answer - Inflammatory disorder characterized by joint
pain and butterfly rash
Describe Myasthenia Gravis - correct-answer - 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.