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The haemoglobin content/100 ml of blood of a normal healthy human adult is
  • a)
    12-16 g
  • b)
    5-11 g
  • c)
    17-20 g
  • d)
    25-30 g
Correct answer is option 'A'. Can you explain this answer?
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The haemoglobin content/100 ml of blood of a normal healthy human adul...
The haemoglobin content per 100 ml of blood of a normal healthy human adult is 12-14 g. haemoglobin is responsible for transportof oxygen through blood.
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The haemoglobin content/100 ml of blood of a normal healthy human adul...
The Haemoglobin Content in Normal Healthy Human Adult

In a normal healthy human adult, the haemoglobin content in the blood is approximately 12-16 grams per 100 milliliters of blood. Haemoglobin is a protein found in red blood cells that is responsible for carrying oxygen from the lungs to the tissues and organs of the body. It also helps in transporting carbon dioxide from the tissues back to the lungs for exhalation.

Importance of Haemoglobin

Haemoglobin plays a crucial role in maintaining the overall health and functioning of the body. It ensures that all the cells receive an adequate supply of oxygen for their metabolic activities. A normal haemoglobin level is essential for the proper functioning of various body systems and organs.

Factors Affecting Haemoglobin Levels

Several factors can influence the haemoglobin levels in an individual. These include:

1. Age: Haemoglobin levels tend to be higher in infants and gradually decrease with age.

2. Gender: In general, men have slightly higher haemoglobin levels compared to women. This is primarily due to the effects of testosterone on red blood cell production.

3. Altitude: People living at higher altitudes often have higher haemoglobin levels to compensate for the lower oxygen levels in the atmosphere.

4. Nutritional Status: Iron, vitamin B12, and folate are essential nutrients required for the production of haemoglobin. Deficiencies in these nutrients can lead to decreased haemoglobin levels.

5. Medical Conditions: Certain medical conditions, such as anaemia, kidney disease, and bone marrow disorders, can result in lower haemoglobin levels.

Normal Range of Haemoglobin

The normal range of haemoglobin may vary slightly depending on the laboratory and the reference values used. However, the generally accepted range for a healthy adult is 12-16 grams per 100 milliliters of blood.

Consequences of Abnormal Haemoglobin Levels

Both low and high haemoglobin levels can have adverse effects on the body. Low haemoglobin levels, known as anaemia, can lead to fatigue, weakness, shortness of breath, and poor oxygen supply to the tissues. High haemoglobin levels, on the other hand, can cause increased blood viscosity, leading to circulatory problems.

In conclusion, the haemoglobin content in a normal healthy human adult is approximately 12-16 grams per 100 milliliters of blood. Maintaining a normal haemoglobin level is crucial for the proper functioning of the body and overall health.
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The haemoglobin content/100 ml of blood of a normal healthy human adul...
The normal haemoglobin count is about 15 gm/100 mL of blood in males, while for females the haemoglobin count is slightly less, ie, 13 gm/100 mL blood.
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Direction: Read the following text and answer the following questions on the basis of the same :Sickle cell anaemia is a genetic disorder where the body produces an abnormal haemoglobin called haemoglobins. Red blood cells are normally flexible and round, but when the haemoglobin is defective, blood cells take on a “sickle” or crescent shape. Sickle cell anaemia is caused by mutations in a gene called HBB.It is an inherited blood disorder that occurs if both the maternal and paternal copies of the HBB gene are defective. In other words, if an individual receives just one copy of the defective HBB gene, either from mother or father, then the individual has no sickle cell anaemia but has what is called “sickle cell trait”. People with sickle cell trait usually do not have any symptoms or problems but they can pass the mutated gene onto their children. Three inheritance scenarios can lead to a child having sickle cell anaemia :— Both parents have sickle cell trait— One parent has sickle cell anaemia and the other has sickle cell trait— Both parents have sickle cell anaemiaIf both parents have sickle cell trait, then there is _______________of the child having sickle cell trait.

Direction: Read the following text and answer the following questions on the basis of the same :Sickle cell anaemia is a genetic disorder where the body produces an abnormal haemoglobin called haemoglobins. Red blood cells are normally flexible and round, but when the haemoglobin is defective, blood cells take on a “sickle” or crescent shape. Sickle cell anaemia is caused by mutations in a gene called HBB.It is an inherited blood disorder that occurs if both the maternal and paternal copies of the HBB gene are defective. In other words, if an individual receives just one copy of the defective HBB gene, either from mother or father, then the individual has no sickle cell anaemia but has what is called “sickle cell trait”. People with sickle cell trait usually do not have any symptoms or problems but they can pass the mutated gene onto their children. Three inheritance scenarios can lead to a child having sickle cell anaemia :— Both parents have sickle cell trait— One parent has sickle cell anaemia and the other has sickle cell trait— Both parents have sickle cell anaemiaIf both parents have sickle cell trait, then there is _______________of the child having sickle cell anaemia.

Direction: Read the following text and answer the following questions on the basis of the same :Sickle cell anaemia is a genetic disorder where the body produces an abnormal haemoglobin called haemoglobins. Red blood cells are normally flexible and round, but when the haemoglobin is defective, blood cells take on a “sickle” or crescent shape. Sickle cell anaemia is caused by mutations in a gene called HBB.It is an inherited blood disorder that occurs if both the maternal and paternal copies of the HBB gene are defective. In other words, if an individual receives just one copy of the defective HBB gene, either from mother or father, then the individual has no sickle cell anaemia but has what is called “sickle cell trait”. People with sickle cell trait usually do not have any symptoms or problems but they can pass the mutated gene onto their children. Three inheritance scenarios can lead to a child having sickle cell anaemia :— Both parents have sickle cell trait— One parent has sickle cell anaemia and the other has sickle cell trait— Both parents have sickle cell anaemiaIf one parent has sickle cell anaemia and the other has sickle cell trait, there is __________that their children will have sickle cell anaemia and ___________will have sickle cell trait.

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The haemoglobin content/100 ml of blood of a normal healthy human adult isa)12-16 gb)5-11 gc)17-20 gd)25-30 gCorrect answer is option 'A'. Can you explain this answer?
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