answer:Correct! **Q10:** What structures make up a renal lobe? - A. A renal pyramid and its surrounding capsule - B. A renal papilla and associated nephrons - C. A renal corpuscle and its associated tubule - D. A renal pyramid, its overlying cortex, and adjacent renal columns

answer:Correct! **Q11:** What are the renal columns and what is their function? - A. Structures that connect the kidney to the bladder - B. Supportive tissue that holds nephrons - C. Extensions of the cortex between the pyramids; they contain blood vessels and support the structure - D. Muscular columns that contract to propel urine through the ureters

answer:Correct! **Q12:** How many renal pyramids does a typical human kidney have? - A. 2 to 5 - B. 6 to 10 - C. 8 to 18 - D. 20 to 30

answer:Correct again! **Q13:** Describe the blood supply to the kidneys, naming the main vessels. - A. Supplied by the hepatic arteries and drained by the renal veins - B. Supplied by the gastrointestinal arteries and drained by the hepatic veins - C. Supplied by the renal arteries and drained by the renal veins - D. Supplied by the iliac arteries and drained by the iliac veins