Formation Of Urine System Quiz

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| By Keb1980
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  • 1/16 Questions

    Which part of the urinary system is a storage organ for urine?

    • Kidney
    • Bladder
    • Ureter
    • Urethra
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About This Quiz

The excretion process is necessary for the removal of some waste products from our bodies in all living things; play this informative Urine formation quiz to see what you know about the topic. The quiz contains various questions ranging from easy, medium, to hard levels that will clarify all your concepts about the topic. If you like this quiz, do share it with your friends and family. All the best!

Formation Of Urine System Quiz - Quiz

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  • 2. 

    The hormone responsible for controlling water reabsorption in the kidneys is:

    • Insulin

    • Antidiuretic hormone (ADH)

    • Oxytocin

    • Adrenocorticotrophic hormone

    Correct Answer
    A. Antidiuretic hormone (ADH)
    Explanation
    Antidiuretic hormone (ADH) is responsible for controlling water reabsorption in the kidneys. When the body needs to conserve water, ADH is released by the pituitary gland and acts on the kidneys to increase water reabsorption. This hormone helps to reduce urine production and maintain the body's water balance. Insulin is responsible for regulating blood sugar levels, oxytocin is involved in childbirth and breastfeeding, and adrenocorticotrophic hormone is involved in the regulation of stress and metabolism.

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  • 3. 

    Which of the following affects fluid balance?

    • Diet

    • Body temperature

    • Blood pressure

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    All of the options mentioned in the question - diet, body temperature, and blood pressure - affect fluid balance. Diet plays a crucial role as the intake of fluids and electrolytes through food and beverages affects the body's hydration levels. Body temperature regulation is essential for maintaining fluid balance as sweating and evaporation can cause fluid loss. Blood pressure also plays a role as it affects the movement of fluids within the body. Therefore, all of these factors have an impact on fluid balance.

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  • 4. 

    What is the sac called which encloses the glomerulus?

    • Nephron

    • Renal

    • Bowman's

    • Loop of Henle

    Correct Answer
    A. Bowman's
    Explanation
    The sac that encloses the glomerulus is called Bowman's capsule. It is a cup-shaped structure in the nephron of the kidney that surrounds the glomerulus. The Bowman's capsule is responsible for the initial filtration of blood as it enters the nephron, allowing waste products and excess fluids to be removed from the blood and eventually excreted as urine.

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  • 5. 

    The blood-filtration unit inside a kidney is known as a :

    • Hilus

    • Renal pyramid

    • Nephron

    • Medulla

    Correct Answer
    A. Nephron
    Explanation
    The blood-filtration unit inside a kidney is known as a nephron. A nephron is a microscopic structure that is responsible for filtering waste products from the blood and producing urine. It consists of a renal corpuscle, which includes the glomerulus and Bowman's capsule, and a renal tubule. The renal tubule further processes the filtrate by reabsorbing essential substances and secreting waste products. The nephron plays a crucial role in maintaining the body's fluid balance, regulating blood pressure, and excreting waste materials.

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  • 6. 

    Blood enters the kidney through which blood vessels?

    • Renal artery

    • Renal vein

    • Aorta

    • Vena cava

    Correct Answer
    A. Renal artery
    Explanation
    The correct answer is the renal artery. The renal artery is responsible for carrying oxygenated blood from the heart to the kidneys. Once the blood enters the kidney through the renal artery, it undergoes filtration and other processes to remove waste products and excess water from the body. After filtration, the cleaned blood exits the kidney through the renal vein and returns to the heart.

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  • 7. 

    The function of the ureter is to:

    • Propel urine from the bladder to the exterior

    • Store urine

    • Filter impurities

    • Propel urine from the kidneys to the bladder

    Correct Answer
    A. Propel urine from the kidneys to the bladder
    Explanation
    The ureter is a tube-like structure that connects the kidneys to the bladder. Its main function is to transport urine from the kidneys, where it is produced, to the bladder, where it is stored. This transportation is achieved through peristaltic contractions of the smooth muscles in the walls of the ureter, which propel the urine in a one-way direction towards the bladder. Therefore, the correct answer is "Propel urine from the kidneys to the bladder."

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  • 8. 

    Which of the following also serves as a conducting channel for semen in a male?

    • Urethra

    • Ureter

    • Bladder

    • None of the above

    Correct Answer
    A. Urethra
    Explanation
    The urethra serves as a conducting channel for semen in a male. It is a tube that connects the urinary bladder to the external urethral orifice, allowing both urine and semen to pass through. The ureter is a tube that connects the kidneys to the urinary bladder and does not play a role in conducting semen. The bladder is a storage organ for urine and does not serve as a conducting channel for semen. Therefore, the correct answer is urethra.

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  • 9. 

    What pH does urine have?

    • Acidic

    • Neutral

    • Alkaline

    • None of the above

    Correct Answer
    A. Acidic
    Explanation
    Urine is typically slightly acidic, with a pH ranging from 5 to 7. This is due to the presence of various waste products and metabolic byproducts, such as uric acid and ammonium ions, which contribute to the acidity of urine. The acidic pH of urine helps in preventing the growth of bacteria and maintaining a healthy urinary tract.

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  • 10. 

    Which of the following is not considered an excretory organ?

    • Digestive

    • Skin

    • Muscular

    • Respiratory

    Correct Answer
    A. Muscular
    Explanation
    The muscular system is not considered an excretory organ because its main function is to enable movement and provide support to the body. While the muscles do produce waste products such as lactic acid during exercise, these waste products are not excreted from the body in the same way as other excretory organs. The excretory organs are responsible for eliminating metabolic waste and toxins from the body, such as the kidneys filtering waste from the blood and the lungs expelling carbon dioxide.

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  • 11. 

    In which part of the kidney is the urine collected before being drained into the ureter?

    • Medulla

    • Cortex

    • Renal pyramid

    • Renal pelvis

    Correct Answer
    A. Renal pelvis
    Explanation
    The renal pelvis is the part of the kidney where urine is collected before being drained into the ureter. It is a funnel-shaped structure that is located at the innermost part of the kidney. The renal pelvis receives urine from the collecting ducts in the renal pyramids and funnels it into the ureter, which then carries the urine to the bladder for storage and eventual elimination.

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  • 12. 

    What is the main component of urine?

    • Salts

    • Uric acid / ammonia

    • Water

    • Urea

    Correct Answer
    A. Water
    Explanation
    Urine is mainly composed of water, which makes up the majority of its volume. Water helps to dissolve and carry waste products, such as urea, salts, uric acid, and ammonia, out of the body. These waste products are also present in urine but in smaller quantities compared to water. Therefore, water can be considered as the main component of urine.

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  • 13. 

    The bladder is situated :

    • In the abdominal cavity behind the intestines

    • In the pelvic cavity behind the symphysis pubis

    • On the posterior of the abdominal cavity

    • Behind the urethra

    Correct Answer
    A. In the pelvic cavity behind the symphysis pubis
    Explanation
    The bladder is situated in the pelvic cavity behind the symphysis pubis. This is the correct answer because the bladder is a hollow organ located in the lower abdomen, specifically in the pelvic region. It is positioned behind the symphysis pubis, which is a bony structure in the front of the pelvis. This location allows the bladder to be easily accessible for the storage and elimination of urine.

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  • 14. 

    Due to the presence of the liver, which kidney is slightly higher? 

    • Right

    • Left

    • Both 1 and 2

    • Neither 1 nor 2

    Correct Answer
    A. Right
    Explanation
    The liver is located on the right side of the body, which causes the right kidney to be slightly higher than the left kidney. This is because the liver takes up space and pushes the right kidney upwards. Therefore, the correct answer is "Right."

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  • 15. 

    When blood pressure increases, what happens to the volume of urine?

    • Decreases

    • Increases

    • Remains stable

    • None of the above

    Correct Answer
    A. Increases
    Explanation
    When blood pressure increases, it leads to an increase in the filtration of blood in the kidneys. This increased filtration results in an increased production of urine, leading to an increase in the volume of urine. Therefore, the correct answer is "Increases."

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  • 16. 

    What is the area of the kidney called where renal blood vessels leave and enter the kidney?

    • Renal pelvis

    • Renal pyramid

    • Hilus

    • Medulla

    Correct Answer
    A. Hilus
    Explanation
    The hilus is the correct answer because it is the area of the kidney where the renal blood vessels, such as the renal artery and renal vein, enter and leave the kidney. The hilus is a concave region on the medial surface of the kidney where these blood vessels, as well as the ureter, connect to the kidney. It serves as the entry and exit point for these important structures, allowing for the transport of blood and urine to and from the kidney.

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  • Current Version
  • Sep 01, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 11, 2012
    Quiz Created by
    Keb1980
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