Solveeit Logo
Login

Question

Question: Which information is correct about normal value?...

Which information is correct about normal value?

A

RBC count = 5.5 million /100ml of blood

B

Hb count = 12 - 16gm/100ml of blood

C

Platelet count = 1.5 to 3.5lac/100ml of blood

D

Leucocyte count = 6000 - 8000/100ml of blood

Answer

Hb count = 12 - 16gm/100ml of blood

Explanation

Solution

The question asks to identify the correct normal value among the given options for various blood components. Let's analyze each option:

  1. RBC count = 5.5 million /100ml of blood

    • The normal Red Blood Cell (RBC) count for healthy adults is typically 4.5 to 5.5 million per cubic millimeter (mm³) or microliter (µL) of blood for females and 5.0 to 6.0 million per mm³ or µL for males.
    • The unit given in the option is "/100ml of blood". Since 1 ml = 1000 µL, 100 ml = 100,000 µL.
    • If the count were 5.5 million/µL, then in 100ml, it would be 5.5 × 10⁶ cells/µL × 10⁵ µL = 5.5 × 10¹¹ cells/100ml.
    • However, the option states "5.5 million /100ml", which would mean 5.5 × 10⁶ cells per 100 ml. If we convert this back to cells per µL: (5.5 × 10⁶ cells) / (100 × 10³ µL) = 5.5 × 10⁶ / 10⁵ cells/µL = 55 cells/µL. This value is extremely low and incorrect. Therefore, this option is incorrect due to the unit and the resulting value.

  2. Hb count = 12 - 16gm/100ml of blood

    • The normal Hemoglobin (Hb) count for healthy adults is typically 12-16 grams per deciliter (g/dL) for females and 13-18 g/dL for males.
    • It's important to note that 1 deciliter (dL) is equal to 100 milliliters (ml).
    • Therefore, 12-16 gm/100ml is equivalent to 12-16 gm/dL. This range (12-16 g/dL) falls well within the normal physiological range for adult humans. This option is correct.

  3. Platelet count = 1.5 to 3.5lac/100ml of blood

    • The normal Platelet count for healthy adults is typically 1.5 to 3.5 lakh (or 150,000 to 350,000) per cubic millimeter (mm³) or microliter (µL) of blood.
    • Similar to the RBC count, the unit given is "/100ml of blood".
    • If the count were 1.5 to 3.5 lakh/µL, then in 100ml, it would be (1.5 × 10⁵ to 3.5 × 10⁵) cells/µL × 10⁵ µL = (1.5 × 10¹⁰ to 3.5 × 10¹⁰) cells/100ml.
    • However, the option states "1.5 to 3.5lac/100ml", which means (1.5 × 10⁵ to 3.5 × 10⁵) cells per 100 ml. If we convert this back to cells per µL: (1.5 × 10⁵ to 3.5 × 10⁵) cells / (100 × 10³ µL) = (1.5 to 3.5) cells/µL. This value is extremely low and incorrect. Therefore, this option is incorrect.

  4. Leucocyte count = 6000 - 8000/100ml of blood

    • The normal Leucocyte (White Blood Cell or WBC) count for healthy adults is typically 4,000 to 11,000 per cubic millimeter (mm³) or microliter (µL) of blood. The range 6000-8000 is a commonly cited average or sub-range within the normal limits.
    • Again, the unit given is "/100ml of blood".
    • If the count were 6000-8000/µL, then in 100ml, it would be (6000 to 8000) cells/µL × 10⁵ µL = (6 × 10⁸ to 8 × 10⁸) cells/100ml.
    • However, the option states "6000 - 8000/100ml", which means (6000 to 8000) cells per 100 ml. If we convert this back to cells per µL: (6000 to 8000) cells / (100 × 10³ µL) = (0.06 to 0.08) cells/µL. This value is extremely low and incorrect. Therefore, this option is incorrect.

Based on the analysis, only the information provided for Hb count is correct in terms of both the numerical range and the unit (since 100ml is equivalent to 1 dL).