Urinary System Disorders (Quiz # 1 Version C)

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  • 1/20 Questions

    The dynamic process through which the body maintains balance by constantly adjusting to internal and external stimuli is called

    • Permeability
    • Adaptation
    • Homeostasis
    • Active transport
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Term 5: Medical-Surgical Nursing IV - Urinary System Disorders (Quiz # 1 Version C)

Urinary System Disorders Quizzes & Trivia

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  • 2. 

    The small coiled tube that is the functional unit of the kidney is the ________________________.

    Explanation
    The small coiled tube that is the functional unit of the kidney is called a nephron. The nephron is responsible for filtering waste products, regulating electrolyte balance, and maintaining proper fluid levels in the body. It consists of a glomerulus, which filters blood, and a tubule, which reabsorbs essential substances and excretes waste. The nephron plays a crucial role in maintaining overall kidney function and ensuring the body's waste products are properly eliminated.

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  • 3. 

    The amount of filtrate formed in all the glomeruli of both kidneys per minute is the

    • Urinary output

    • Tubular reabsorption rate

    • Renal threshold

    • Glomerular filtration rate

    Correct Answer
    A. Glomerular filtration rate
    Explanation
    The glomerular filtration rate refers to the amount of filtrate that is formed in all the glomeruli of both kidneys per minute. This rate is an important measure of kidney function and is used to assess how well the kidneys are filtering waste products from the blood. It is a key indicator of overall kidney health and can be influenced by factors such as blood pressure, blood flow to the kidneys, and the permeability of the glomerular filtration membrane.

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  • 4. 

    The main nitrogen waste material in the urine is _____________________________ .

    Correct Answer
    urea
    Explanation
    Urea is the main nitrogen waste material in urine. It is produced in the liver as a result of protein metabolism and is then excreted by the kidneys. Urea is a byproduct of the breakdown of amino acids, which are the building blocks of proteins. It is highly soluble in water and can be easily eliminated through urine. Urea plays a crucial role in maintaining the balance of nitrogen in the body and is an important component of the urinary system's waste removal process.

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  • 5. 

    If a statement is false, correct it by replacing the underlined term for another point:  The urethra carries urine from the kidneys to the bladder.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    ureters

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  • 6. 

    If a statement is false, correct it by replacing the underlined term for another point:  The external urethral sphincter is involuntary.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    voluntary

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  • 7. 

    When the blood pressure falls too low, the kidneys will secrete  

    • Erythropoietin

    • Renin

    • Vitamin D

    • Sodium

    Correct Answer
    A. Renin
    Explanation
    When the blood pressure falls too low, the kidneys secrete renin. Renin is an enzyme produced by the kidneys that plays a crucial role in regulating blood pressure. It acts on a protein called angiotensinogen, which is produced by the liver, and converts it into angiotensin I. Angiotensin I is then converted into angiotensin II by an enzyme called angiotensin-converting enzyme (ACE). Angiotensin II is a potent vasoconstrictor, meaning it narrows the blood vessels, leading to an increase in blood pressure. Therefore, the secretion of renin helps to raise blood pressure when it is too low.

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  • 8. 

    If a statement is false, correct it by replacing the underlined term for another point:  The proximal convoluted tubule is farthest from Bowman's capsule.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Distal

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  • 9. 

    The cluster of capillaries within Bowman's capsule is the __________________________.

    Correct Answer
    glomerulus
    Explanation
    The cluster of capillaries within Bowman's capsule is called the glomerulus. The glomerulus plays a crucial role in the filtration of blood in the kidneys. It receives blood from the afferent arteriole and filters it to form the initial filtrate of urine. The glomerulus is a highly specialized structure that allows for the efficient exchange of substances between the blood and the filtrate, ensuring that waste products are removed from the body while important molecules are retained.

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  • 10. 

    If a statement is false, correct it by replacing the underlined term for another point:  The renal vein empties into the superior vena cava.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Inferior vena cava

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  • 11. 

    The process by which waste products are allowed to pass across a barrier and be removed from the body via the urine is termed

    • Osmosis

    • Filtration

    • Diffusion

    • Active transport

    Correct Answer
    A. Filtration
    Explanation
    Filtration is the process by which waste products are allowed to pass across a barrier and be removed from the body via the urine. In filtration, a pressure gradient is used to push fluid and solutes through a selectively permeable membrane, allowing waste products to be separated from the blood and excreted. This process is important in the functioning of the kidneys, where filtration occurs to remove waste products and excess water from the blood.

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  • 12. 

    Mr. Jones  is complaining of difficulty urinating. A urine specimen obtained from this patient reveals the following information: voided quantity, 100 cc; color, amber; pH, 6.4; specific gravity, 1.035; and no blood, bacteria, or albumin present. Based on this information, you, the nurse, conclude that Mr. Jones most likely has which ofthe follovving conditions?

    • Fluid overload

    • Chronic renal failure

    • Kidney infection

    • Dehydration

    Correct Answer
    A. Dehydration
    Explanation
    Based on the information provided, Mr. Jones has a voided quantity of only 100 cc, which is a small amount. This suggests that he may not be consuming enough fluids, leading to dehydration. Additionally, the amber color of the urine and the specific gravity of 1.035 also indicate concentrated urine, further supporting the conclusion of dehydration. The absence of blood, bacteria, or albumin in the urine rules out kidney infection or chronic renal failure as the likely conditions. Therefore, dehydration is the most likely explanation for Mr. Jones' difficulty urinating.

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  • 13. 

    The blood vessels, nerves, and ureters enter the kidney through the

    • Renal pelvis

    • Hilum

    • Pyramids

    • Capsule

    Correct Answer
    A. Hilum
    Explanation
    The correct answer is "Hilum." The hilum is the area on the kidney where the blood vessels, nerves, and ureters enter and exit. It is a concave region on the medial side of the kidney. The renal pelvis is a funnel-shaped structure that collects urine from the kidney and transports it to the ureter. The pyramids are cone-shaped structures in the inner part of the kidney that contain the nephrons. The capsule is the outer covering of the kidney.

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  • 14. 

    Generally, children begin to have voluntary control of urination at approximately what age?

    • 12 months

    • 24 months

    • 36 months

    • 48 months

    Correct Answer
    A. 24 months
    Explanation
    Children generally begin to have voluntary control of urination at around 24 months of age. This is when they start to develop the physical and neurological abilities necessary to control their bladder muscles. By this age, most children have also developed the cognitive and communication skills to understand the sensations associated with needing to urinate and to communicate their needs to caregivers. However, it is important to note that every child is different, and some may achieve voluntary control earlier or later than others.

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  • 15. 

    To assist the healthy elderly client to compensate for the age-related changes occurring in the urinary system, you would suggest which of the following interventions?

    • Maintain a maximum fluid intake of 1,000 mL/day

    • Encourage the use of alcohol and caffeinated beverages at bedtime to enhance sleep

    • Teach the client to wipe from back to front after every urination

    • Teach the client to perform pelvic exercises

    Correct Answer
    A. Teach the client to perform pelvic exercises
    Explanation
    Teaching the client to perform pelvic exercises would be the most appropriate intervention to assist the healthy elderly client in compensating for age-related changes in the urinary system. Pelvic exercises, also known as Kegel exercises, help strengthen the pelvic floor muscles, which can improve bladder control and prevent urinary incontinence. This intervention is focused on addressing the specific age-related changes in the urinary system and promoting urinary health in the elderly client.

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  • 16. 

    Which of the following hom1ones is not responsible for sodium and water regulation in the body?

    • Atrial natriuretic peptide

    • Aldosterone

    • ADH

    • Angiotensin H

    Correct Answer
    A. Angiotensin H
    Explanation
    Angiotensin H is not responsible for sodium and water regulation in the body. Atrial natriuretic peptide, aldosterone, and ADH all play roles in regulating sodium and water balance. Atrial natriuretic peptide promotes sodium and water excretion, aldosterone promotes sodium reabsorption and potassium excretion, and ADH regulates water reabsorption. However, Angiotensin H is not involved in these processes and does not have a direct role in sodium and water regulation.

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  • 17. 

    Most materials that enter the nephron are returned to the circulation by a process called ______________________________.

    Correct Answer
    tubular reabsorption
    Explanation
    Tubular reabsorption is the process in which most substances that enter the nephron, such as water, glucose, and ions, are reabsorbed back into the bloodstream. This occurs in the renal tubules of the nephron, where the filtered fluid from the glomerulus passes through. Through active and passive transport mechanisms, the tubules selectively reabsorb necessary substances and regulate the concentration of solutes in the body. This process helps maintain homeostasis by preventing the loss of essential substances and regulating the body's fluid balance.

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  • 18. 

    The maximum amount of a substance that is reabsorbed hack into the body from the kidney tubules is called

    • Tubular secretion

    • Pinocytosis

    • Renal threshold

    • Tubular reabsorption

    Correct Answer
    A. Renal threshold
    Explanation
    Renal threshold refers to the maximum amount of a substance that can be reabsorbed back into the body from the kidney tubules. It is the point at which the concentration of a substance in the blood exceeds the capacity of the renal tubules to reabsorb it, resulting in the substance being excreted in the urine. This threshold varies for different substances and plays a crucial role in maintaining the balance of electrolytes and other substances in the body.

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Aug 22, 2012
    Quiz Created by
    Pcnadmin
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