Into to Laboratory Medicine
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Questions and Answers

What does a quantitative result provide?

  • A narrative result
  • A numerical value (correct)
  • A range of 'normal' values
  • A yes/no outcome

    • Which term refers to the proportion of a population who have a specific characteristic in a given time period?

  • Sensitivity
  • Specificity
  • Incidence
  • Prevalence (correct)

    • What does specificity measure?

  • The most accurate measure
  • The occurrence of new cases of a disease or injury in a population over a specified period of time
  • The number of patients without the disease and with a negative test out of the number of patients without the disease (correct)
  • The number of patients with a disease and a positive test out of the number of patients with the disease

    • What is the gold standard measure known for?

    <p>Accuracy</p> Signup and view all the answers

    What does the term 'incidence' refer to?

    <p>Occurrence of new cases of a disease or injury in a population over a specified period of time</p> Signup and view all the answers

    What does sensitivity measure?

    <p>Number of patients with a disease and a positive test out of the number of patients with the disease</p> Signup and view all the answers

    What does the term 'descriptive value' refer to?

    <p>The narrative result</p> Signup and view all the answers

    Which term refers to a yes/no or positive/negative result?

    <p>A qualitative result</p> Signup and view all the answers

    What does the term 'reference value' represent?

    <p>The range of 'normal' values</p> Signup and view all the answers

    What is the primary purpose of sensitivity tests?

    <p>To identify individuals without the disease</p> Signup and view all the answers

    How are specificity tests primarily used?

    <p>To rule in the disease</p> Signup and view all the answers

    What condition is associated with macrocytic anemia?

    <p>Folate deficiency</p> Signup and view all the answers

    Which condition is commonly linked to microcytic anemia?

    <p>Thalassemia</p> Signup and view all the answers

    What is a characteristic feature of normocytic anemia?

    <p>Hemolytic anemia</p> Signup and view all the answers

    What does mean corpuscular hemoglobin measure?

    <p>The average amount of hemoglobin in red blood cells</p> Signup and view all the answers

    What does mean corpuscular volume represent?

    <p>The average volume of a single red blood cell</p> Signup and view all the answers

    What does red cell distribution width measure?

    <p>The variation in red blood cell size</p> Signup and view all the answers

    Which type of white blood cell is associated with responding to allergic reactions and parasitic infestations?

    <p>Eosinophils</p> Signup and view all the answers

    Which white blood cell type is the first to respond to inflammation or infection?

    <p>Neutrophils</p> Signup and view all the answers

    Which type of white blood cell is composed of B cells, T cells, and NK cells, and is associated with viral infection?

    <p>Lymphocytes</p> Signup and view all the answers

    What is the primary function of monocytes?

    <p>Disposing of foreign and waste material, especially concerning inflammation</p> Signup and view all the answers

    Which type of white blood cell responds to allergic and inflammatory reactions?

    <p>Basophils</p> Signup and view all the answers

    Study Notes

    Descriptive value is the narrative result. A qualitative result is yes/no or positive/negative. Reference value is the range of "normal" values.

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