WGU - D313 - ANATOMY AND PHYSIOLOGY 2
URINARY SYSTEM PRACTICE TEST WITH
ELABORATED QUESTIONS AND ANSWERS
LATEST 2026
1. Which part of the urinary system does the renal pelvis convert into after it
narrows down?: ureter
2. Which structure identifies where urine becomes more concentrated?: Henle's
loop
3. Which part of the urinary system prevents the early release of urine?: sphincter
4. What does the aquaporin channel transport?: water
5. Which ions do the loop of Henle reabsorb?: bicarbonate ions
6. Which part of the nephron reabsorbs vitamins?: proximal convoluted tubule
7. Which role is performed by the nephrons of the kidneys?: filter wastes and excess water
out of the blood
8. Which class of molecule would be used to increase the glomerular filtration
rate?: hormone
9. Which organ released antidiuretic hormone (ADH)?: pituitary
10. What is the physiological status of ammonium ions in the collecting ducts?-
: dittused and secreted
11. Which section of the kidney nephron is impermeable to water?: ascending loop of
Henle
12. Which statement is correct about vasa recta?: they arise from the etterent arteriole
13. Which structure anchors the kidneys to the peritoneum and the posterior
abdominal wall?: renal fascia
14. What is the correct sequence of the segments of the renal tubule?: proximal
tubule, loop of Henle, distal tubule
15. What are the functional units of kidneys that regulate volume and solute
concentration and remove waste from the blood?: nephrons
16. Where does the renal artery enter the kidney?: renal hilum
17. What is the correct sequence of blood flow through the kidneys on its route
, to the glomeruli of the nephrons?: renal artery, segmental artery, interlobar artery, arcuate artery,
interlobular (cortical radiate) artery, atterent arteriolr
18. In a urine analysis, which elements could indicate the presence of disease?
Choose 2 answers: albumin
red blood cells
19. Where does creatinine clearance occur?: glomerulus
URINARY SYSTEM PRACTICE TEST WITH
ELABORATED QUESTIONS AND ANSWERS
LATEST 2026
1. Which part of the urinary system does the renal pelvis convert into after it
narrows down?: ureter
2. Which structure identifies where urine becomes more concentrated?: Henle's
loop
3. Which part of the urinary system prevents the early release of urine?: sphincter
4. What does the aquaporin channel transport?: water
5. Which ions do the loop of Henle reabsorb?: bicarbonate ions
6. Which part of the nephron reabsorbs vitamins?: proximal convoluted tubule
7. Which role is performed by the nephrons of the kidneys?: filter wastes and excess water
out of the blood
8. Which class of molecule would be used to increase the glomerular filtration
rate?: hormone
9. Which organ released antidiuretic hormone (ADH)?: pituitary
10. What is the physiological status of ammonium ions in the collecting ducts?-
: dittused and secreted
11. Which section of the kidney nephron is impermeable to water?: ascending loop of
Henle
12. Which statement is correct about vasa recta?: they arise from the etterent arteriole
13. Which structure anchors the kidneys to the peritoneum and the posterior
abdominal wall?: renal fascia
14. What is the correct sequence of the segments of the renal tubule?: proximal
tubule, loop of Henle, distal tubule
15. What are the functional units of kidneys that regulate volume and solute
concentration and remove waste from the blood?: nephrons
16. Where does the renal artery enter the kidney?: renal hilum
17. What is the correct sequence of blood flow through the kidneys on its route
, to the glomeruli of the nephrons?: renal artery, segmental artery, interlobar artery, arcuate artery,
interlobular (cortical radiate) artery, atterent arteriolr
18. In a urine analysis, which elements could indicate the presence of disease?
Choose 2 answers: albumin
red blood cells
19. Where does creatinine clearance occur?: glomerulus
