Lab Test 101

What is the full form of PDW in the CBC chart?

Hyperthyroidism is also called?

• Underactive Thyroid

• Overactive Thyroid

To ensure the test results are correct, what procedure do we perform?

• Quality Control

• Calibration

How does the colorimeter method provide test results?

• By measuring the amount of solute deposited on the cuvette walls.

• By detecting the intensity of light absorbed by the solution at a specific wavelength.

• By calculating the temperature changes in the solution due to light.

• By measuring the color change of the light source directly.

How to make a 10x dilution of serum with Normal Saline?

• 10 µL of Serum + 490 µL of Normal Saline

• 30 µL of Serum + 470 µL of Normal Saline

• 50 µL of Serum + 450 µL of Normal Saline

• 100 µL of Serum + 400 µL of Normal Saline

Whats the formula of calculating Estimated Average Glucose from HbA1c?

• 28.7 × A1c - 46.7

• 26.7 × A1c - 48.7

• 46.7 × A1c - 28.7

• 48.7 × A1c - 26.7

If a patients TB gold results are -

T - N = 50

N = 100

What's the interpretation will be?

• Positive

• Negative

• Indeterminate

In Macrocytic Anemia patients have:

• Low Hemoglobin & Low MCV levels

• High Hemoglobin & Low MCV levels

• Low Hemoglobin & High MCV levels

Which condition is Primary Hypothyroidism:

• Low T3, T4 levels & High TSH levels

• High T3, T4 levels & Low TSH levels

• Normal T3, T4 levels & High TSH levels

• Normal T3, T4 levels & Low TSH levels

What is the purpose of Trigger and Pre-Trigger in automated immunology machines?

• To control the temperature of the reaction mixture.

• To enhance the stability of the reagents used in the tests.

• To initiate and stabilize the chemiluminescence or fluorescence reaction for signal detection.

• To measure the pH levels of the solution before and after the reaction.