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UNIT 9: Excretory System
Clicker Review!
•
What is the functional unit responsible for filtration and
concentration of urine?
1) kidney
2) ureter
3) nephron
4) bladder
•
What makes up the glomerulus?
1) venules
2) arterioles
3) arteries
4) capillaries
•
What is the name of the indicated structure?
1) proximal tubule
2) distal tubule
3) Loop of Henle
4) Bowman’s capsule
•
What is the name of the indicated structure?
1) proximal tubule
2) distal tubule
3) Loop of Henle
4) Bowman’s capsule
•
What is the name of the indicated structure?
1) proximal tubule
2) distal tubule
3) Loop of Henle
4) Bowman’s capsule
•
The inner/deep part of the kidney (not the urine collecting part) is
called the…?
1) cortex
2) pelvis
3) medulla
4) ureter
•
If the osmolarity (concentration) of your blood decreases, what
happens?
1) urine is more concentrated
2) you become thirsty
3) urine is more dilute
4) nothing happens
5) Both 1 and 2
When less water is
reabsorbed into
blood, it stays in
the filtrate &
becomes part of
urine.
•
What are the 3 nephron processes in order?
1) filtration, reabsorption, secretion
2) reabsorption, secretion, filtration
3) secretion, filtration, reabsorption
4) secretion, reabsorption, filtration
•
What passes urine to the renal pelvis?
1) ureter
2) urethra
3) bladder
4) collecting duct
•
What is the most prevalent solute substance in urine?
1) water
2) glucose
3) urea
4) NaCl (salt)
•
What is the most prevalent substance (of any substance) in urine?
1) water
2) glucose
3) urea
4) NaCl (salt)
•
Which of these other things are NOT normally found in urine?
1) excess Vitamin C
2) metabolized medicines you’ve taken
3) glucose
4) water
• In which of these numbers (1-5)
of the nephron would you find
the most concentrated and
smallest volume of urine?
1
2
3
5
4
•
Which of these would interfere with the amount of ADH released &
allow water to stay in the filtrate/urine?
1) coffee
2) Gatorade
3) alcohol
4) water
5) 1 & 3
6) 2 & 4
7) all would decrease the amount of ADH released
•
Which of these reabsorbed substances is NOT matched correctly?
1) NaCl: proximal & distal convoluted tubule; ascending limb of
Loop of Henle
2) water: proximal & distal convoluted tubule; descending limb of
Loop of Henle; collecting duct
3) glucose: distal convoluted tubule
4) amino acids: proximal convoluted tubule
•
Which of these secreted substances is NOT matched correctly?
1) excess vitamin C (water soluble vitamins): proximal convoluted
tubule
2) metabolized medicines: descending limb of Loop of Henle and
collecting duct
3) K+: distal convoluted tubule
4) H+: proximal & distal convoluted tubule