Leader:
Course:
Instructor:
Date:
The Renal System
Session 42
Supplemental Instruction
Iowa State University
Cody
AN S 214
Dr. Selsby
5/2/13
1. How is Na+ reabsorbed?
a. Osmosis
b. Facilitated diffusion
c. Active transport using ATP
d. Diffusion
2. Major calyces are:
a. Cone-shaped structures located in the renal medulla.
b. Large branches of the renal pelvis.
c. The expanded ends of renal pyramids.
d. Expanded ends of nephrons.
3. Micturition is:
a. A sacral reflex.
b. Only present in males.
c. A mechanism for concentrating urine.
d. Production of urine.
4. The basic functional unit of the kidney is the:
a. Major calyx.
b. Nephron.
c. Glomerulus.
d. Loop of Henle.
5. The blood supply to the nephron is the:
a. Renal artery.
b. Segmental artery.
c. Interlobular artery.
d. Afferent arteriole.
6. The Bowman’s capsule and glomerulus make up the:
a. Collecting system.
b. Renal corpuscle.
c. Papilla.
d. Loop of Henle.
7. The most important factor affecting the glomerular filtration rate is:
a. Blood hydrostatic pressure.
b. Capsular hydrostatic pressure.
c. Capsular osmotic pressure.
d. Blood osmotic pressure.
Supplemental Instruction
1060 Hixson-Lied Student Success Center  294-6624  www.si.iastate.edu
8. When the concentration of ADH increases:
a. More salt is secreted by the nephron.
b. Less water is reabsorbed by the nephron and collecting duct.
c. Less urine is produced.
d. The specific gravity of the urine decreases.
9. Which process results in increased glomerular filtration in response to hormone release?
a. Tubuloglomerular response
b. Renin-angiotensin mechanism
c. Myogenic mechanism
d. Countercurrent mechanism
10. Which structure is the muscular tube that delivers urine to the bladder?
a. Urethra
b. Papillary duct
c. Renal pelvis
d. Ureter
11. Which substance would NOT normally be expected in urine?
a. Protein
b. Nitrogenous waste
c. Sodium
d. Chloride
12. Arrange the following structures in the correct sequence in which urine passes through
them to the external environment. (1) ureter, (2) renal pelvis, (3) calyx, (4) urinary
bladder, (5) urethra
a. 3, 4, 1, 5, 2
b. 2, 4, 1, 3, 5
c. 3, 2, 1, 4, 5
d. 1, 2, 3, 4, 5
13. In situations where there is an extreme change in blood pressure (mean arterial pressure
less than 80 or greater than 180 mm Hg), extrinsic controls take precedence over intrinsic
controls.
a. True
b. False
14. Water can leave the ascending limb of the loop of Henle.
a. True
b. False
15. The descending limb of the loop of Henle is relatively impermeable to solutes and freely
permeable to water.
a. True
b. False
16. If the efferent arteriole constricts while the afferent arteriole remains unchanged, the
glomerular filtration rate:
a. Cannot be determined.
b. Increases.
c. Does not change.
d. Decrease.
17. Which of the following statements about the urinary system is INCORRECT?
a. It metabolizes vitamin D to its active form.
b. It produces erythropoietin, which stimulates red blood cell formation.
c. It produces renin, which helps regulate blood pressure.
d. It carries out the majority of gluconeogenesis in the body.
18. The renal hilum lies on the _______ surface of the kidney.
a. Inferior
b. Medial
c. Superior
d. Lateral
19. The renal ___________is continuous with the ureter.
a. Medulla
b. Cortex
c. Pelvis
d. Glomerulus
20. Which of the following cells in the kidney play a major part in the regulation of body
water and Na+ balance?
a. Principle cells
b. Granular cells
c. Intercalated cells A
d. Intercalated cells B
21. All of the following are layers of the filtration membrane in the glomerular membrane,
except the:
a. Fenestrated endothelium
b. Basement membrane
c. Renal capsule
d. Visceral membrane
22. The ________________ can contract, changing the total surface are of the capillaries
available for filtration in the glomerulus.
a. Macula densa
b. Juxtaglomerular cells
c. Intercalated cells
d. Mesangial cells
23. All of the following functions are carried out the renal tubules, except:
a. Filtration
b. Reabsorption
c. Secretion
d. Formation of urine
24. All of the following would stimulate the release of renin from granular cells. Except
a. Hemorrhaging or dehydration.
b. Inhibition by the macula densa cells.
c. Stimulation of the granular cells by the sympathetic nervous system.
d. Reduced stretching of the granular cells.
25. Which of the following is the countercurrent multiplier in the kidney?
a. The vasa recta
b. The loop of Henle of a juxtamedullary nephron
c. The proximal convoluted tubule
d. Bowman’s capsule around the glomerulus
26. Which of the following substances is the largest component of urine by weight after
water?
a. Uric acid
b. Creatinine
c. Urea
d. Inulin
27. Which of the following is a function of the urinary system?
a. Filter plasma
b. Regulate blood pressure
c. Regulate pH
d. All of the above
ESSAY TOPICS
Below are sample essay questions. For each, draft the response you would provide on an actual
exam. Use key words and topic sentences to make an outline of a potential essay. Make sure to
draw any diagrams required. Note: Most of these questions can most easily be answered with a
schematic representation accompanied by brief descriptions of the drawn elements. In other
words: if it helps – DRAW A PICTURE.
RENAL SYSTEM:
1) Discuss renal autoregulation of the glomerular filtration rate.
2) Trace the path of filtrate from the glomerulus to the collecting duct.
3) Discuss the renin-angiotensin-aldosterone axis with respect to its role in the regulation of
kidney function.