WGU D313 Anatomy and Physiology 2 Urinary System Practice Test and Assessment Exam with 123 Questions and Verified Answers 2025/2026 Updated

WGU D313 Anatomy and Physiology 2 Urinary System Practice Test and

Assessment Exam with 123 Questions and Verified Answers

2025/2026 Updated




1. Which part of the urinary system does the renal pelvis convert into after it narr
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ows down?: ureter q q




2. Which structure identifies where urine becomes more concentrated?: Hen-
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q le's loop q




3. Which part of the urinary system prevents the early release of urine?: -
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sphincter

4. What does the aquaporin channel transport?: water
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5. Which ions do the loop of Henle reabsorb?: bicarbonate ions
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6. Which part of the nephron reabsorbs vitamins?: proximal convoluted tubule
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7. Which role is performed by the nephrons of the kidneys?: filter wastes and exce
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ss water out of the blood
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8. Which class of molecule would be used to increase the glomerular filtration rat
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e?: hormone
q




1q/q
18

,9. Which organ released antidiuretic hormone (ADH)?: pituitary
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10. What is the physiological status of ammonium ions in the collecting duc
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ts?: diffused and secreted
q q q




11. Which section of the kidney nephron is impermeable to water?: ascending loo
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p of Henle
q q




12. Which statement is correct about vasa recta?: they arise from the efferent art
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eriole

13. Which structure anchors the kidneys to the peritoneum and the posterior abd
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ominal wall?: renal fascia
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14. What is the correct sequence of the segments of the renal tubule?: proximal tub
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ule, loop of Henle, distal tubule
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15. What are the functional units of kidneys that regulate volume and solute con
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centration and remove waste from the blood?: nephrons
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16. Where does the renal artery enter the kidney?: renal hilum
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17. What is the correct sequence of blood flow through the kidneys on its route to th
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e glomeruli of the nephrons?: renal artery, segmental artery, interlobar artery, arcuate
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artery, interlobular (cortical radiate) artery, afferent arteriolr
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18. In a urine analysis, which elements could indicate the presence of disease?
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2q/q
18

, Choose 2 answers: albumin red
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blood cellsq




19. Where does creatinine clearance occur?: glomerulus
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20. What is a possible cause of an increase in blood urea nitrogen (BUN)?: -
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urinary tract obstruction
q q




21. What is used to asses renal function?: measuring the amount of creatinine in the
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blood




3q/q
18