Anatomy and Physiology Name:________________________ Date :_______________________ Urinary System Unit Review These are general review questions. Not all content is contained here; therefore, a review of all notes and the urinalysis lab will be needed. 1. Label the Structures on the Kidney below: 2. What are the functions of the kidney? a. ____________________________________________________________ ____________________________________________________________ b. ____________________________________________________________ ____________________________________________________________ c. ____________________________________________________________ ____________________________________________________________ d. ____________________________________________________________ ____________________________________________________________ 3. List the structures of the function unit of the kidney below and provide a brief function/description of each. 4. What is the functional unit of the kidney? __________________________. 5. What is the filtering unit of the kidney?_____________________________. 6. Label the afferent arteriole, efferent arteriole, glomerular capillaries, glomerular capsule (Bowman’s capsule), and the proximal convoluted tubule. 7. What is the correct sequence for the renal tubules from start to end. __________________________________________________________________ __________________________________________________________________ 8. What is the 1st step of urine formation? _________________________________. 9. What is the composition of glomerular filtrate? How does it differ from the composition of urine?________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ 10. What is tubular reabsorption? __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ 11. What substances are reabsorbed? How are they reabsorbed? Where? __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ 12. What is tubular secretion? __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ 13. Give several examples of substances and ions that are secreted back into the renal tubule_____________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ 14. How does ADH function in the kidney tubule? __________________________________________________________________ __________________________________________________________________ 15. Describe the roles of aldosterone and ADH. __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ 16. What is the composition of urine? __________________________________________________________________ __________________________________________________________________ 17. What factors affect urine formation? __________________________________________________________________ __________________________________________________________________ __________________________________________________________________ 18. What is urination called?_____________________________________________ 19. Ureters are approximately ___________________________ long and are composed of what three tissue layers? a. _________________________________________________________ b. _________________________________________________________ c. __________________________________________________________ 20. Urine moves through the ureters by _____________________________________ 21. What is the composition of the urinary bladder? a. ___________________________________________________________ b. ___________________________________________________________ c. ___________________________________________________________ d. ___________________________________________________________ 22. What triggers the urinary reflex? ______________________________________ 23. The bladder can hold ___________________________ ml of urine but the urge to urinate starts when the bladder has about _______________ml of urine and is uncomfortable when the bladder reaches about ________________________ 24. Review urinalysis lab. Why perform urinalysis? What abnormal substances can be detected and what do each tell you? How are they detected? (This is a good topic for an essay question.) 25. Review the steps of urine formation and explain what is happening in each step of the labeled in diagram below. Ex: What is happening in the renal corpuscle? _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________