Urinary System

Read the case study and complete the whole lesson. Afterward, answer the questions related to the clinical case. This practical exercise will help you apply your newly acquired knowledge to real-world scenarios and improve your critical thinking skills.

Case study:

James Anderson, a 47-year-old male with a history of diabetes, presents several concerning urinary symptoms. He has noticed a marked increase in his frequency of urination over the past few weeks. Additionally, James has a persistent feeling of urgency to urinate, which often wakes him from sleep at night.To make matters worse, he has observed that his urine is cloudy and has a slightly foul odor. There’s also a sense of discomfort or mild pain when he urinates. His primary care physician, Dr. Martinez, conducted a comprehensive medical assessment. Given James’s history of diabetes, Dr. Martinez is concerned about potential complications related to kidney function. Consequently, Dr. Martinez referred James to a specialist in the urinary system, Dr. Nguyen.Dr. Nguyen initiated a series of diagnostic procedures to get a better understanding of James’s condition. She ordered a urinalysis to examine the characteristics of James’s urine, looking for signs of infection, inflammation, or other urinary issues. The results were concerning.The urinalysis revealed the presence of white blood cells and bacteria in the urine. This indicated a possible urinary tract infection. Additionally, there were abnormal levels of protein and glucose in the urine, which raised concerns about kidney function. Dr. Nguyen suggested a renal function panel, including tests to measure creatinine and blood urea nitrogen (BUN) levels. These tests can provide insights into how effectively the kidneys are filtering waste from the blood.The diagnostic findings indicated that James had elevated creatinine and BUN levels.


Upon completing the lesson return to the case study and answer the following questions related to the provided scenario.

  1. What is the medical term for frequent urination at night?Answer: The medical term for frequent urination at night is “nocturia.”
  2. Based on James’s clinical presentation, which urinary symptoms are most concerning, and why?Answer: Among James’s urinary symptoms, the most concerning is the presence of cloudy and slightly odorous urine along with discomfort or mild pain during urination. These symptoms can indicate a possible urinary tract infection (UTI), which, if left untreated, may lead to more severe complications.
  3. What were the key findings in James’s urinalysis, and how do they contribute to the diagnosis of his condition?Answer: The urinalysis revealed the presence of white blood cells and bacteria in James’s urine. These findings are indicative of a urinary tract infection (UTI). Additionally, abnormal levels of protein and glucose in the urine raised concerns about kidney function. These findings are essential in diagnosing the UTI and evaluating its potential impact on the kidneys.
  4. Based on the results of the renal function panel, what can we conclude about James’s kidney function?Answer: The elevated levels of creatinine and BUN (blood urea nitrogen) in James’s renal function panel indicate decreased kidney function. This suggests possible kidney problems, which could be related to his diabetes, as diabetes can affect kidney function. Proper management and monitoring are essential to address these concerns.

Prefixes for the Urinary System:

PrefixMeaningExample
Dia-Through, completeDiuresis (increased urine production)
Peri-AroundPerirenal (around the kidney)
Poly-Many, muchPolyuria (excessive urination)
Hem-BloodHematuria (presence of blood in urine)
Pyo-PusPyuria (presence of pus in urine)
An-WithoutAnuria (lack of urine formation)
Dys-Painful, difficultDysuria (painful urination)

Combining Forms for the Urinary System:

TermMeaningExample
Nephr-KidneyNephrectomy (kidney removal)
Ren/oKidneyRenal (related to the kidney)
Ureter/oUreter (the tube connecting the kidney to the bladder)Ureterolith (a stone in the ureter)
Cyst/oBladderCystoscopy (examination of the bladder)
Prostat/oProstateProstatitis (inflammation of the prostate)
Urethr/oUrethra (the tube through which urine exits the body)Urethritis (inflammation of the urethra)

Suffixes for the Urinary System:

SuffixMeaningExample
-celeHernia, swellingUreterocele (ureter swelling)
-uriaUrine conditionProteinuria (presence of excess protein in urine)
-lysisBreakdown, dissolutionHemolysis (destruction of red blood cells)