Urinary System: Anatomy and Function

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Questions and Answers

Where are the kidneys primarily located in the body?

  • Cervical region
  • Sacral region
  • Thoracic region
  • Lumbar region (correct)

What is the main function of the urinary bladder?

  • Filtering blood
  • Excreting waste
  • Storing urine (correct)
  • Producing urine

What is the role of the urethra in the urinary system?

  • Filtering waste products from the blood
  • Storing urine before it is eliminated
  • Excreting urine from the bladder to the outside of the body (correct)
  • Transporting urine from the kidneys to the bladder

Which process describes the act of expelling urine from the body?

<p>Micturition (B)</p>
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What volume range represents the typical amount of urine produced per day in a healthy adult?

<p>1000-1500 ml (A)</p>
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Which of the following factors does NOT directly affect urine excretion?

<p>Hair color (D)</p>
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A patient's urine output is consistently less than 500mL per day. Which of the following terms best describes this condition?

<p>Oliguria (C)</p>
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Which term describes painful or difficult urination?

<p>Dysuria (C)</p>
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A patient reports waking up several times during the night to urinate. What is the appropriate term for this condition?

<p>Nocturia (D)</p>
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Which of the following is the most prominent symptom of urinary retention?

<p>Inability to urinate (A)</p>
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What defines a urinary tract infection (UTI)?

<p>A bacterial infection of any part of the urinary tract (D)</p>
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Which of the following nursing interventions is LEAST likely to assist a patient with urinary excretion difficulties?

<p>Limiting fluid intake (A)</p>
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The physician's directive is required before performing with of the following urinary interventions?

<p>Urinary catheterization (A)</p>
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What is the primary purpose of urinary catheterization?

<p>To collect urine from the bladder (C)</p>
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What does the selection of a catheter for urinary catheterization depend on?

<p>Patient's age and gender (B)</p>
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For an adult female patient, which catheter size is MOST appropriate?

<p>14-16 Fr (B)</p>
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What position is generally recommended for female patients during urinary catheterization?

<p>Dorsal recumbent position (C)</p>
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During urinary catheterization, when should the genital organs be cleaned?

<p>Before catheter insertion (D)</p>
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If a patient experiences trauma during catheter insertion, which of the following complications is MOST likely to occur?

<p>Urethral injury (C)</p>
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After inserting a urinary catheter, what is the next crucial step?

<p>Inflate the balloon (B)</p>
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To minimize the risk of urine backflow and potential complications, how should the urine drainage bag be positioned?

<p>Below the level of the bladder (D)</p>
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How often should a standard urine bag be emptied to prevent complications?

<p>Every 8 hours (D)</p>
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What observation, during routine catheter care, requires immediate reporting to a healthcare provider?

<p>Signs of infection, such as a foul odor or cloudy urine (C)</p>
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What step is essential before removing a urinary catheter?

<p>Deflating the catheter balloon (A)</p>
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What are bladder exercises designed to achieve prior to catheter removal?

<p>To improve bladder tone and function (B)</p>
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What is a condom catheter primarily used for?

<p>Managing urinary incontinence in males (D)</p>
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How often should a condom catheter typically be replaced?

<p>Every 24 hours (A)</p>
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Identify a potential complication specifically associated with condom catheter use:

<p>Penile skin irritation (D)</p>
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What is the defining characteristic of suprapubic catheterization?

<p>Catheter insertion through an abdominal incision into the bladder (C)</p>
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Under what condition should bladder irrigation be performed?

<p>To wash out the urinary bladder with a specified solution (B)</p>
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What is the key characteristic of clean intermittent catheterization (CIC)?

<p>Urine is periodically drained using a clean catheter (D)</p>
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Which action is MOST important to prevent infection when caring for a patient with a urinary catheter?

<p>Using aseptic technique during catheter insertion (C)</p>
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What critical step should occur prior to repositioning or transferring a patient with a urinary catheter?

<p>Clamping the catheter (D)</p>
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To obtain a sterile urine sample from an indwelling catheter, which of the following is the correct procedure?

<p>Puncture the catheter tubing with a sterile needle (B)</p>
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When collecting a 24-hour urine sample, what instruction should be given to the patient?

<p>Discard the first urine of the collection period. (D)</p>
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Which of the following is the definition of Hematuria?

<p>Erythrocytes in the urine (A)</p>
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What mL is the correct amount to use on an adult patient to inflating volume of balloons?

<p>10 mL (D)</p>
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What mL is the correct amount to use on child patient to inflating volume of balloons?

<p>3 mL (C)</p>
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Which of the following accurately describes the primary function of the ureters?

<p>To carry urine from the kidneys to the bladder. (C)</p>
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What is the primary role of the kidneys in maintaining homeostasis?

<p>Regulating fluid and electrolyte balance. (A)</p>
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Which physiological event occurs when a sufficient volume of urine accumulates in the bladder, typically between 250-500 ml?

<p>The urge to urinate arises. (D)</p>
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Which of the following conditions is characterized by the accumulation of urine in the bladder due to the inability to urinate?

<p>Urinary retention (A)</p>
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What is the MOST common cause of urinary tract infections (UTIs)?

<p>Bacterial infection of the urinary tract. (D)</p>
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Which non-pharmacological intervention is MOST likely to facilitate urination in a patient experiencing urinary difficulty?

<p>Encouraging a comfortable sitting position. (C)</p>
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According to the information, what critical step must be obtained prior to performing urinary catheterization?

<p>Physician's order or directive. (A)</p>
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What factor primarily determines whether a urinary catheter is needed for a patient?

<p>The patient's ability to control urination, urinary incontinence, or urinary retention. (D)</p>
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A patient requires intermittent catheterization at home. Which type of catheter is MOST suitable for this purpose?

<p>Nelaton catheter (straight catheter) (A)</p>
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A patient is prescribed a Foley catheter for long-term management of urinary retention. Which characteristic distinguishes a Foley catheter from other types?

<p>It is preferred for applications longer than 3 weeks. (D)</p>
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A nurse is preparing to insert a urinary catheter for a male patient. Which position is generally recommended for this procedure?

<p>Supine (B)</p>
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During catheterization, according to the source material, what type of solution should be used when cleaning the genital area?

<p>Antiseptic solution (A)</p>
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Why is sterile lubricant applied to a catheter before insertion?

<p>To reduce friction and minimize trauma during insertion. (C)</p>
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After inserting a urinary catheter, what is the NEXT crucial step to confirm proper placement?

<p>Inflating the catheter balloon. (C)</p>
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To minimize the risk of urinary tract infections in a patient with a catheter, how often should the urine bag be emptied?

<p>Every 8 hours. (D)</p>
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A nurse observes that the urine in a catheter drainage bag is cloudy and has a strong odor. What is the MOST appropriate intervention?

<p>Notify the healthcare provider of potential infection. (D)</p>
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Prior to removing a urinary catheter, what essential action should the nurse perform?

<p>Deflate the catheter balloon completely. (B)</p>
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What is the recommended frequency for replacing a condom catheter to prevent skin irritation and infection?

<p>Every 24 hours (A)</p>
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What specific type of catheterization involves the placement of a catheter directly into the bladder through a surgical incision above the pubic bone?

<p>Suprapubic catheterization (A)</p>
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What is a key principle of clean intermittent catheterization (CIC) technique?

<p>The patient or caregiver administers catheterization at certain intervals. (D)</p>
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Flashcards

Kidneys

Organs located in the lumbar region providing the first formation of urine.

Ureters

Tubes carrying urine from the kidneys to the urinary bladder.

Urinary bladder

A sac-like hollow organ used for the storage of urine.

Urethra

The tube through which urine passes from the bladder to the exterior of the body.

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Urinary system

The system that produces, stores, and eliminates urine, playing a vital role in maintaining homeostasis.

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Micturition (urination)

The act of bladder contraction where urine is excreted from the body through the urethra.

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Oliguria

Output of urine less than 500mL/day.

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Anuria

Output of urine less than 50mL/day, or complete inability to urinate

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Polyuria

Increased volume of urine, more than 2 liters in 24 hours.

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Dysuria

Painful or difficult urination.

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Enuresis

Involuntary urination during sleep.

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Nocturia

The need to urinate more than once a night, waking the individual from deep sleep.

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Incontinence

Involuntary loss of urine.

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Urinary retention

The accumulation of urine within the bladder due to the inability to urinate.

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Urinary incontinence

Involuntary loss of urine.

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Urinary Tract Infection (UTI)

A bacterial infection affecting any part of the urinary tract.

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Urinary Catheter

A hollow, partially flexible tube used to collect urine from the bladder and lead to a drainage bag.

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Nelaton Catheter

A non-permanent catheter, also known as intermittent catheters.

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Foley Catheter

A type of catheter generally used for a longer duration.

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Catheter selection

A catheter used for urinary catheterization should be selected according to the age and gender of the patient.

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Condom catheter

A catheter often used by men to treat urinary incontinence.

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Suprapubic Catheterization

Placing a catheter in the bladder over the pubis with a surgical procedure

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Bladder Irrigation

The process of flushing out or washing out the urinary bladder with specified solution.

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Patient Underpad

A convenient method that can be used to reduce the urinary tract infection.

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Clean intermittent catheterization

At certain intervals, it is administered by the patient or by the caregiver.

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Removing a Urinary Catheter

Catheter exercises must be performed before the catheter is removed

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Study Notes

  • Urinary system applications relate to the ability to care for a patients needs relating to their urinary system
  • Nursing interventions appropriate in the diagnosis and treatment of the urinary system can be applied to improve patient outcomes
  • The kidneys, ureters, urinary bladder, and urethra comprise the urinary system
  • The urinary system produces, stores, and eliminates urine
  • The kidneys filter wastes and extra water from the blood to produce urine
  • The urinary system plays a role in maintaining homeostasis

Urinary System Organs

  • The kidneys are located in the lumbar region
    • They perform the first step in urine production
  • The ureters transport urine from the kidneys to the urinary bladder
  • The urinary bladder is a hollow organ that stores urine
  • The urethra is the tube through which urine passes from the bladder to the outside of the body
  • The vulva is the female external genitalia
  • The meatus is where the urethra opens to the outside
  • The penis is the male sex and urinary excretory organ
  • The perineum is a mass of skin, muscle, and connective tissue located between the vagina and anus in women

Urine formation and Excretion

  • Blood circulation transports inorganic salts, nitrogenous substances, and water to the kidneys for urine production
  • Urine moves from the kidneys to the urinary bladder via the ureters through rhythmic movements
  • Once the bladder is full, a feeling of urination occurs
  • Urine is then excreted through the urethra

Micturition

  • Also known as urination
  • During micturition, the bladder contracts, and urine is excreted from the body through the urethra

Key details

  • After urine accumulates to 250-500 ml in the bladder, the need for excretion arises
  • The average urine amount per hour equates to about 50 ml
  • In a healthy person, the typical amount of urine per day varies from 1000-1500 ml
  • Typically urination happens 4-6 times during a 24 hour period

Factors Affecting Urine Excretion

  • Age and development
  • Socio-cultural factors
  • Psychological factors
  • Fluid intake
  • Diseases
  • Surgical interventions
  • Medicines

Terminology

  • Oliguria: Output is less than 500mL/day

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