Froggy Jumps Nephron Parts ChallengeOnline version Kidney unit parts by Samra Faisal 1 What is the primary filtering unit of the kidney called? a Proximal tubule b Bowman's capsule c Glomerulus 2 Which structure encases the glomerulus to form filtrate from blood? a Bowman's capsule b Juxtaglomerular apparatus c Macula densa 3 Which tubule reabsorbs most nutrients, water, and ions from filtrate? a Distal convoluted tubule b Loop of Henle c Proximal convoluted tubule 4 Which segment concentrates urine by reabsorbing water in a medullary gradient? a Proximal tubule b Collecting duct c Loop of Henle 5 Which part of the nephron is the primary site for electrolyte balance and acid-base regulation? a Collecting duct b Distal convoluted tubule c Glomerulus 6 Which structure collects urine from the nephrons and adjusts water reabsorption? a Bowman’s capsule b Loop of Henle c Collecting duct 7 What surrounds the nephron tubules and participates in filtrate processing via blood exchange? a Juxtaglomerular cells b Peritubular capillaries c Vasa recta 8 Which vessels run alongside the loop of Henle in juxtamedullary nephrons to maintain the medullary gradient? a Vasa recta b Peritubular capillaries c Afferent arteriole 9 Which specialized cells sense NaCl in the distal tubule and influence blood flow? a Macula densa b Mesangial cells c Podocytes 10 Which structure forms the juxtaglomerular apparatus involved in renin release? a Macula densa b Glomerulus c Juxtaglomerular apparatus
