The Renal SySTEM

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| By Adilah17feb
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Adilah17feb
Community Contributor
Quizzes Created: 2 | Total Attempts: 9,461
Questions: 8 | Attempts: 8,862

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The Renal System - Quiz

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Questions and Answers
  • 1. 

    Which is NOT a function of the kidneys?

    • A.

      Synthesis of Vitamin D

    • B.

      Regulating blood pH

    • C.

      Produce Anti diuretic hormone (ADH)

    • D.

      Excretion of wastes

    Correct Answer
    C. Produce Anti diuretic hormone (ADH)
    Explanation
    The kidneys perform several important functions in the body, including the synthesis of Vitamin D, regulating blood pH, and excreting wastes. However, the production of Anti diuretic hormone (ADH) is not a function of the kidneys. ADH is produced by the hypothalamus and released by the pituitary gland to regulate water balance in the body by controlling the amount of water reabsorbed by the kidneys.

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  • 2. 

    Which is not considered part of the nephron?

    • A.

      Glomerulus

    • B.

      Collecting duct

    • C.

      Ureters

    • D.

      Loop of Henle

    Correct Answer
    C. Ureters
    Explanation
    The ureters are not considered part of the nephron. The nephron is the functional unit of the kidney responsible for filtering waste products from the blood and producing urine. It consists of several components, including the glomerulus, collecting duct, and loop of Henle. The glomerulus is a network of tiny blood vessels where filtration occurs, while the collecting duct and loop of Henle are involved in reabsorption and concentration of urine. The ureters, on the other hand, are muscular tubes that transport urine from the kidneys to the bladder. While they are part of the urinary system, they are not directly involved in the filtration and reabsorption processes of the nephron.

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  • 3. 

    What is known as the 'functional unit' of the kidneys?

    Correct Answer
    Nephron
    Explanation
    The functional unit of the kidneys is known as the nephron. Nephrons are microscopic structures responsible for filtering waste products and excess water from the blood, producing urine, and maintaining the body's fluid and electrolyte balance. Each kidney contains millions of nephrons, which consist of a glomerulus, a tubule, and associated blood vessels. The glomerulus filters blood, while the tubule reabsorbs necessary substances and excretes waste products. By performing these functions, nephrons play a crucial role in maintaining overall kidney function and regulating bodily processes such as blood pressure and pH balance.

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  • 4. 

    If you only had one kidney you would die?

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Having only one kidney does not necessarily mean that a person would die. While it is true that having two healthy kidneys is the norm and provides a better level of kidney function, it is possible to live a healthy life with just one kidney. In fact, many people are born with only one kidney or have one kidney removed due to medical reasons, and they can still function normally. The remaining kidney compensates for the loss of the other kidney and continues to filter waste and maintain the body's fluid balance.

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  • 5. 

    Which sequence is correct as urine leaves the kidneys?

    • A.

      Urinary bladder, urethra, ureters

    • B.

      Urinary bladder, ureters, urethra

    • C.

      Urethra, urinary bladder, ureters

    • D.

      Ureters, urinary bladder, urethra

    Correct Answer
    D. Ureters, urinary bladder, urethra
    Explanation
    The correct sequence of urine leaving the kidneys is through the ureters, then into the urinary bladder, and finally out through the urethra. The ureters are tubes that connect the kidneys to the urinary bladder, allowing urine to flow from the kidneys to the bladder. The urinary bladder is a storage organ that holds urine until it is ready to be eliminated from the body. The urethra is the tube that carries urine from the bladder to the outside of the body.

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  • 6. 

    What is the structure found above the kidneys?

    • A.

      Duodenum

    • B.

      Fat

    • C.

      Adrenal glands

    • D.

      Bladder

    Correct Answer
    C. Adrenal glands
    Explanation
    The correct answer is adrenal glands. The adrenal glands are small, triangular-shaped glands located on top of each kidney. They are responsible for producing hormones such as adrenaline, cortisol, and aldosterone, which play crucial roles in regulating metabolism, immune function, blood pressure, and stress response. These glands are an essential part of the endocrine system and are involved in maintaining homeostasis in the body.

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  • 7. 

    Blood vessels, lymphatics and nerves enter the kidney through?

    • A.

      The renal artery

    • B.

      The mediastinum

    • C.

      The hilum

    • D.

      The medial side

    Correct Answer
    C. The hilum
    Explanation
    Blood vessels, lymphatics, and nerves enter the kidney through the hilum. The hilum is a concave area on the medial side of the kidney where the renal artery, renal vein, and ureter enter and exit. This is the main entry point for these structures into the kidney. The renal artery specifically brings oxygenated blood to the kidney for filtration and waste removal.

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  • 8. 

    The three processes of urine formation are:

    • A.

      Glomerular filtration

    • B.

      Arterial filtration

    • C.

      Tubular secretion

    • D.

      Tubular reabsorption

    • E.

      Glomerular secretion

    • F.

      Active transport

    • G.

      Micturition

    Correct Answer(s)
    A. Glomerular filtration
    C. Tubular secretion
    D. Tubular reabsorption
    Explanation
    The correct answer is Glomerular filtration, Tubular secretion, and Tubular reabsorption. These three processes are involved in urine formation. Glomerular filtration occurs in the glomerulus of the kidney, where blood is filtered and water, ions, and small molecules are forced out of the blood into the nephron. Tubular secretion involves the active transport of certain substances from the blood into the tubules, further modifying the composition of the filtrate. Tubular reabsorption is the process by which water and useful substances are reabsorbed from the filtrate back into the blood, while waste products and excess ions remain in the tubules to be excreted as urine.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Oct 26, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Sep 28, 2016
    Quiz Created by
    Adilah17feb
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