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24 November, 2009

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Urinary system - quiz

The urinary system, including the kidneys and the bladder, are essential for good health. Test your knowledge with our health quiz for a healthy urinary system.

1. Which organs and structures make up the urinary system?
A. Kidneys, bladder, aorta and seminal vesicle.
B. Kidneys, bladder, ureters and urethra.
C. Bladder, lungs, bowel and pancreas.

2. What is a ureter?
A. The slender tube that connects the bladder to the outside of the body.
B. A tube that leads from each kidney to the bladder.
C.The inner lining of the bladder.

3. What is the urethra?
A. The slender tube that connects the bladder to the outside of the body.
B. The collective name for the thousands of nephrons contained in each kidney.
C. The main vein that transports deoxygenated blood from the kidney back to the heart.

4. How many kidneys does the human body usually have?
A. Two
B. Four.
C. Seven.

5. What are the three main roles of the kidney?
A. Regulating the water and salt content of blood, removing waste products and making a hormone that helps to control blood pressure.
B. Regulating oxygen and carbon dioxide levels in the blood, removing waste products and making a hormone that helps to control the menstrual cycle.
C. Regulating water and salt content in the blood, removing diseased or damaged blood cells, and making a hormone that helps to control body temperature.

6. What are nephrons?
A. Cysts that develop on the surface of the kidney after certain infections.
B. The major arteries that supply blood to each kidney.
C. Tiny filters within each kidney.

7. How does the bladder prevent stored urine from leaking out?
A. The urethra is sealed at the bladder by a tricuspid valve that can be opened at will to allow the flow of urine.
B. There is a ring of muscle at the point where the urethra joins the bladder, and this muscle ring can be voluntarily relaxed to allow the flow of urine.
C. The urethra is positioned at the top of the bladder and only allows the flow of urine when the bladder is almost full.

8. What are the main components of urine?
A. Water, urea and ammonia.
B. Water, bile and carbon dioxide.
C. Water, gastric acid and bilirubin.

Your score is:

Score 0 to 2:
You need to learn about the urinary system.

Score 3 to 5:
You have a general idea, but the urinary system is still a bit of a mystery to you.

Score 6 to 8:
Congratulations, you have a good understanding of the workings of the urinary system.

Check the correct answers

You might also be interested in:
Kidney disease - prevention.
Kidney reflux.
Kidneys - age related problems.
Kidneys explained.
Urinary system.
Urinary tract infections.
Pelvic floor.

Want to know more?
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This page has been produced in consultation with, and approved by:

Kidney Health Australia

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Last updated: May 2009

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