BIO 253 FINAL EXAM QUESTIONS
AND ANSWERS 2025
kidney - ANSWERfilter bloodstream to form urine
ureter - ANSWERslender, muscular tubes that conducts urine to bladder
bladder - ANSWERelastic muscular organ that stores & contracts to expel urine
bladder is made up of - ANSWERtransitional epithelium
kidney is located - ANSWERretro peritoneal- lines abdominal cavity
renal fascial - ANSWERheavy cushion of fat surrounding kidney
nephroptosis - ANSWERdrooping kidney
Cortex of kidney - ANSWERouter most region
renal column of kidney - ANSWERinward extension of cortex
medullary pyramids - ANSWERtriangular regions of tissue in the medulla
calyx of kidney - ANSWERcup like region at the end of pyramid
renal pelvis - ANSWERexpansion of the upper end of the ureter, collects urine from
calyces
Nephron - ANSWERurine maker
Nephron is located - ANSWERmedulla & cortex
main components of Nephrons - ANSWERTubular & vascular
Glomerular filtration - ANSWERmovement of substance from bloodstream into
bowmans capsule
tubular reabsorption - ANSWERthe movement of substances from the tubular fluid back
into the blood
tubular secretion - ANSWERthe movement of uric acid, H+ potassium and drugs from
the blood into the tubular fluid
AND ANSWERS 2025
kidney - ANSWERfilter bloodstream to form urine
ureter - ANSWERslender, muscular tubes that conducts urine to bladder
bladder - ANSWERelastic muscular organ that stores & contracts to expel urine
bladder is made up of - ANSWERtransitional epithelium
kidney is located - ANSWERretro peritoneal- lines abdominal cavity
renal fascial - ANSWERheavy cushion of fat surrounding kidney
nephroptosis - ANSWERdrooping kidney
Cortex of kidney - ANSWERouter most region
renal column of kidney - ANSWERinward extension of cortex
medullary pyramids - ANSWERtriangular regions of tissue in the medulla
calyx of kidney - ANSWERcup like region at the end of pyramid
renal pelvis - ANSWERexpansion of the upper end of the ureter, collects urine from
calyces
Nephron - ANSWERurine maker
Nephron is located - ANSWERmedulla & cortex
main components of Nephrons - ANSWERTubular & vascular
Glomerular filtration - ANSWERmovement of substance from bloodstream into
bowmans capsule
tubular reabsorption - ANSWERthe movement of substances from the tubular fluid back
into the blood
tubular secretion - ANSWERthe movement of uric acid, H+ potassium and drugs from
the blood into the tubular fluid
