Clinical Biochemistry Test! Trivia Questions Quiz

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Clinical Biochemistry Test! Trivia Questions Quiz - Quiz

Clinical Biochemistry is the division of laboratory medicine that deals with the measurement of both natural and unnatural chemicals in blood, urine, and other several body fluids. These test results are beneficial for diagnosing health problems, determining prognosis, and properly guiding the therapy of a patient. This short quiz is to test your knowledge regarding this aspect of medical importance.


Questions and Answers
  • 1. 

    ROC stands for what? 

    • A.

      Receiver Operating Chart 

    • B.

      Receiver Operating Characteristics 

    • C.

      Result Oriented Chart 

    • D.

      Recorded Operating Characteristics

    Correct Answer
    B. Receiver Operating Characteristics 
    Explanation
    ROC stands for Receiver Operating Characteristics. This term is commonly used in statistics and machine learning to evaluate the performance of a classification model. The ROC curve is a graphical representation of the trade-off between the true positive rate and the false positive rate for different classification thresholds. It helps in assessing the model's ability to discriminate between classes and in determining the optimal threshold for making predictions.

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  • 2. 

    0.50 - 0.59 is rated as which of the following?

    • A.

      Poor 

    • B.

      Fair 

    • C.

      Fail 

    • D.

      Good 

    Correct Answer
    C. Fail 
    Explanation
    A rating of "Fail" is given to a range of 0.50 - 0.59. This suggests that the performance or quality being evaluated is considered to be below the acceptable standard or expectation.

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  • 3. 

    0.70 - 0.79 is rated as what? 

    • A.

      Fair 

    • B.

      Poor 

    • C.

      Good 

    • D.

      Excellent

    Correct Answer
    A. Fair 
    Explanation
    A rating of 0.70 - 0.79 is considered "Fair".

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  • 4. 

    0.80 - 0.89 is rated what? 

    • A.

      Good 

    • B.

      Fair 

    • C.

      Excellent

    • D.

      Poor 

    Correct Answer
    A. Good 
    Explanation
    A rating of 0.80 - 0.89 is considered good. This range indicates that the performance or quality being assessed is above average or satisfactory. It may not be the highest rating possible, but it is still considered positive and acceptable.

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  • 5. 

    What is the probability of the occurrence of a disease in a population? 

    • A.

      ROC Analysis 

    • B.

      Prevalence 

    • C.

      Diagnostic sensitivity 

    • D.

      Diagnostic specificity 

    Correct Answer
    B. Prevalence 
    Explanation
    Prevalence refers to the proportion of individuals in a population who have a specific disease at a given point in time. It is a measure of how common the disease is within the population. Therefore, the probability of the occurrence of a disease in a population can be determined by the prevalence of that disease.

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  • 6. 

    First morning urine are typically used for which of the following? 

    • A.

      Glycosuria 

    • B.

      Pregnancy tests 

    • C.

      Creatinine clearance 

    • D.

      Waste in urine 

    Correct Answer
    B. Pregnancy tests 
    Explanation
    First morning urine is typically used for pregnancy tests because it is more concentrated and contains a higher level of the hormone hCG (human chorionic gonadotropin), which is produced during pregnancy. This makes it easier to detect the presence of the hormone and accurately determine if a woman is pregnant or not.

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  • 7. 

    What does it mean when urine has Amber appearance? 

    • A.

      Use of riboflavin 

    • B.

      Biliverdin 

    • C.

      Dehydration during fever 

    • D.

      Urobilin 

    Correct Answer
    C. Dehydration during fever 
    Explanation
    When urine has an amber appearance, it typically indicates dehydration during a fever. Dehydration occurs when the body loses more fluids than it takes in, and a fever can contribute to this by increasing fluid loss through sweating. When the body is dehydrated, the urine becomes concentrated and appears darker in color. This amber appearance is a sign that the body needs more fluids to stay properly hydrated.

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  • 8. 

    Which of the following urine colours signify Bilirubin?

    • A.

      Orange 

    • B.

      Black 

    • C.

      Brown 

    • D.

      Yellow 

    Correct Answer
    A. Orange 
    Explanation
    Bilirubin is a yellowish pigment that is formed when red blood cells break down. It is then processed by the liver and excreted in the bile, which eventually ends up in the urine. In some cases, if there is a problem with the liver or bile ducts, bilirubin can leak into the urine, causing it to appear orange. Therefore, orange urine is a sign of the presence of bilirubin. Black and brown urine can be caused by other factors such as certain medications or foods, while yellow urine is the normal color of urine when there are no abnormalities.

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  • 9. 

    Which of the following refers to protein? 

    • A.

      Bilirubin

    • B.

      Klebsiella

    • C.

      Amitryptilyn 

    • D.

      Albumin 

    Correct Answer
    D. Albumin 
    Explanation
    Albumin is a protein found in the blood and is important for maintaining the osmotic pressure of blood, transporting hormones and other molecules, and regulating pH levels. It is synthesized in the liver and helps to maintain the balance of fluids in the body. Bilirubin is a yellow pigment produced when red blood cells are broken down, Klebsiella is a type of bacteria, and Amitriptyline is a medication used to treat depression and other conditions. Therefore, only albumin refers to protein.

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  • 10. 

    Which of the following is a protein form genitourinary tract glands? 

    • A.

      Cylinders 

    • B.

      Yeast

    • C.

      Mucus 

    • D.

      Leukocytes

    Correct Answer
    C. Mucus 
    Explanation
    Mucus is a protein form genitourinary tract glands. Mucus is a sticky substance secreted by the mucous membranes lining the genitourinary tract glands. It helps to lubricate and protect the tissues of the urinary and reproductive systems. Mucus also plays a role in trapping and removing bacteria and other foreign particles from the body.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 19, 2019
    Quiz Created by
    AdewumiKoju
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