Describe how your body responds to an infection. - ANSWER- T cells produce cytokines, which stimulate B cells. B cells produce antibodies. Identify role of DNA changes in congenital abnormalities. - ANSWERMutations in genes or chromosomal abnormalities How does development disrupts congenital abnormalities? - ANSWERAlterations of DNA Describes factors that disrupt homeostasis and how disruptions affect wellbeing. - ANSWER- (ex) Fluid and electrolyte shifts can cause n/v or dysrhythmias. Explain RAAS - 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. DKA - ANSWER- increased anion gap, decreased HCO3 How do kidneys compensate for alkalosis - ANSWER- retain H and excrete HCO3