Essential Biochemistry - Organ Function Tests (Section 1)

  • 1
    Which test helps differentiate between pre-hepatic, hepatic, and post-hepatic jaundice?
    Відповідь
    (B)
    Serum Bilirubin Fractionation
  • 2
    Which of the following tests measure GFR accurately?
    Відповідь
    (A)
    Inulin clearance
  • 3
    In hemolytic jaundice:
    Відповідь
    (A)
    Urinary unconjugated excretion is increased
  • 4
    The term 'azotemia' refers to:
    Відповідь
    (A)
    Excess urea in the blood
  • 5
    The Van den Bergh reaction is used to measure:
    Відповідь
    (B)
    Bilirubin levels
  • 6
    Which of the following is a marker for liver cell damage?
    Відповідь
    (D)
    Both ALT and AST
  • 7
    Inulin clearance is used to assess:
    Відповідь
    (C)
    GFR
  • 8
    What is a common cause of increased serum creatinine?
    Відповідь
    (B)
    Kidney disease
  • 9
    Which of the following is true regarding conjugated bilirubin?
    Відповідь
    (C)
    It is excreted in the urine.
  • 10
    What type of examination is used to detect red blood cells and casts?
    Відповідь
    (C)
    Microscopic examination
  • 11
    Which of the following is an important factor when assessing kidney function?
    Відповідь
    A
    B
    D
  • 12
    What is the main reason for measuring serum albumin?
    Відповідь
    (D)
    All of the above
  • 13
    Absence of urobilinogen in urine occurs in:
    Відповідь
    (A)
    Obstructive jaundice
  • 14
    Which of the following is directly measured by the Van den Bergh reaction?
    Відповідь
    (D)
    Total bilirubin
  • 15
    Which of the following is NOT a kidney function?
    Відповідь
    (D)
    Digestion
  • 16
    In obstructive jaundice which of the following enzymes is diagnostically important?
    Відповідь
    (A)
    Alkaline phosphatase
  • 17
    What is the most common finding in microscopic examination of urine that indicates a problem?
    Відповідь
    (C)
    Proteinuria
  • 18
    What does a decrease in serum TSH generally indicate?
    Відповідь
    (B)
    Hyperthyroidism
  • 19
    Which is the test that would confirm hyperthyroidism?
    Відповідь
    (A)
    Decreased TSH, elevated T4 and T3
  • 20
    In which of the following conditions is unconjugated bilirubin elevated?
    Відповідь
    (B)
    Hepatitis
  • 21
    In what condition would you expect to see an increase in both direct and indirect bilirubin?
    Відповідь
    (C)
    Bile duct obstruction
  • 22
    Following are the cardiac markers, except:
    Відповідь
    (D)
    Alkaline phosphatase
  • 23
    Which of the following tests is used to assess the concentrating ability of the kidneys?
    Відповідь
    (B)
    Urine concentration test
  • 24
    Which of the following is a component of a standard urine examination?
    Відповідь
    A
    B
    C
  • 25
    Positive direct van den Bergh's reaction indicates presence of:
    Відповідь
    (A)
    Conjugated bilirubin
  • 26
    What is the primary function of albumin?
    Відповідь
    (C)
    Osmotic pressure maintenance
  • 27
    Which enzyme is often measured to assess liver damage?
    Відповідь
    (C)
    Alanine aminotransferase (ALT)
  • 28
    Which of these tests is used to diagnose diabetes mellitus?
    Відповідь
    (A)
    Glucose tolerance test
  • 29
    Which of the following is primarily responsible for the concentration and dilution ability of the kidneys?
    Відповідь
    (C)
    Loop of Henle and collecting ducts
  • 30
    In the diagnosis of jaundice, what does it suggest when only conjugated bilirubin is elevated?
    Відповідь
    (C)
    Biliary obstruction
  • 31
    Which of the following are included in urine analysis?
    Відповідь
    A
    B
    C
  • 32
    Which of these is a function of the liver?
    Відповідь
    A
    B
    C
  • 33
    What is the main function of the glomerulus?
    Відповідь
    (B)
    Filtration
  • 34
    What is the normal daily urine output in adults?
    Відповідь
    (C)
    1000-2200 mL
  • 35
    Which of the following is NOT a type of organ function test mentioned in the introduction?
    Відповідь
    (D)
    Blood clotting tests
  • 36
    What does a decreased creatinine clearance indicate?
    Відповідь
    (B)
    Decreased kidney function.
  • 37
    Failure of concentrating capacity of urine is assessed by measurement of:
    Відповідь
    (B)
    Fluid deprivation test
  • 38
    What is the normal value range for serum total bilirubin?
    Відповідь
    (B)
    0.2 to 1.0 mg/dL
  • 39
    Prothrombin time in obstructive jaundice:
    Відповідь
    (B)
    Increases after parenteral injection of vitamin K
  • 40
    What is the normal value range of urine specific gravity?
    Відповідь
    (C)
    1.010-1.025
  • 41
    In which form is bilirubin water-soluble and ready for excretion?
    Відповідь
    (C)
    Conjugated bilirubin
  • 42
    Which of the following is not a feature of obstructive jaundice?
    Відповідь
    (A)
    Increased level of serum unconjugated bilirubin
  • 43
    In a patient with liver disease, what lab result would you most expect to see?
    Відповідь
    (C)
    Increased ammonia
  • 44
    What is the primary function measured by creatinine clearance?
    Відповідь
    (B)
    Glomerular filtration rate
  • 45
    Which of the following is NOT directly related to the excretory function of the kidney?
    Відповідь
    (C)
    Protein synthesis
  • 46
    What is the normal urine pH range?
    Відповідь
    (B)
    4.5-8
  • 47
    Which of the following is a common finding in the microscopic examination of urine?
    Відповідь
    A
    B
    C
  • 48
    Which of the following is an important indicator of kidney tubular function?
    Відповідь
    (A)
    Urine specific gravity
  • 49
    What is a likely cause if only the direct bilirubin is elevated?
    Відповідь
    (C)
    Biliary obstruction
  • 50
    Which of the following conditions is most likely to cause elevated levels of ammonia?
    Відповідь
    (B)
    Cirrhosis