Collecting ducts, Minor calyces, Major calyces, Renal pelvis, Excretion, Juxtaglomerular cells, Urea, Principal cells, Na+ reabsorption, Urge incontinence, Caffeine effects on Na+, Blood pressure decrease, H+ secretion, HCO3- reabsorption, Water retention

Collecting ducts, Minor calyces, Major calyces, Renal pelvis, Excretion, Juxtaglomerular cells, Urea, Principal cells, Na+ reabsorption, Urge incontinence, Caffeine effects on Na+, Blood pressure decrease, H+ secretion, HCO3- reabsorption, Water retention, Erythropoietin, Renal medulla, Vasa recta, Arteriolar glomerulus, Tubular reabsorption, Filtrate urea, Tubular secretion, Net filtration pressure, Atrial natriuretic peptide, Distal tubule symporters Exam Questions Verified and Complete with A+ Graded Rationales Latest Updated 2026 The correct sequence of urine flow in the kidney is ________. Collecting ducts, minor calyces, major calyces, renal pelvis Homeostasis is maintained by all of the mechanisms in the nephron except ________. Excretion Which of these is not a feature of the glomerular filtration membrane? Juxtaglomerular cells Which substance is the breakdown product of proteins (amino acids) and a waste eliminated by the kidneys? Urea Principal cells in the late distal tubule reabsorb _______. Na+ Which type of incontinence is most likely caused by a urinary tract infection (UTI)? Urge incontinence Which statement about caffeine is true? 250-300 mg caffeine inhibits reabsorption of Na+ and slows reabsorption of water. What happens to blood pressure as a result of an increase in urine elimination? Decrease How would the kidneys respond to acidosis (low pH) in the body? Secreting H+ and reabsorbing HCO3- How might the kidneys decrease blood osmolarity? By retaining water and excreting solutes The kidneys respond to low levels of oxygen in the blood by producing ________. erythropoietin The renal pyramids are located in the ___________ of the kidney. renal medulla Long capillary loops located in the medulla are called ________. vasa recta