WGU PATHOPHYSIOLOGY D236 QUESTIONS AND ANSWERS

WGU PATHOPHYSIOLOGY D236 QUESTIONS AND ANSWERS 1. Describe how your body responds to an infection.: T cells produce cytokines, which stimulate B cells. B cells produce antibodies. 2. Identify role of DNA changes in congenital abnormalities.: Mutations in genes or chromosomal abnormalities 3. How does development disrupts congenital abnormalities?: Alterations of DNA 4. Describes factors that disrupt homeostasis and how disruptions affect wellbeing.: (ex) Fluid and electrolyte shifts can cause n/v or dysrhythmias. 5. Explain RAAS: 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. 6. DKA: increased anion gap, decreased HCO3 7. How do kidneys compensate for alkalosis: retain H and excrete HCO3 8. Untreated acidosis leads to an increase in which electrolyte?: Potassium