Question

1.         Describe the following types of anemia: iron-deficiency anemia, megaloblastic anemia, pernicious anemia, hemorrhagic anemia, hemolytic anemia, thalassemia, and aplastic anemia.

Answer 1

Answer:

Iron deficiency anemia:

Explanation: 1. Iron deficiency anemia is defined as lack of iron mineral in the blood which leads to less production of red blood cells (RBC) in the blood which carries oxygen throughout the body caused by lack of iron in the diet, pregnancy etc.

2. It is manifestated by pale skin color, fatigue, weakness, headache, dizziness, poor appetite etc.

Answer:

Megaloblastic anemia:

Explanation: 1. Megaloblastic anemia can be defined as production of usually large reb blood cells (RBC) than the normal by bone marrow caused by vitamin B12 deficiency and folic acid in the diet.

2. It is manifested by fatigue, paleness of skin, dizziness, shortness of breath etc.

Answer:

Pernicious anemia:

Explanation: 1. Pernicious anemia can be defined as lack of healthy reb blood cells (RBC) in the blood caused by lack of absorption of vitamin B12 by intestine.

2. It is manifestated by shortness of breath, weight loss, pale skin color, fatigue, dizziness, etc.

Answer:

Hemorrhagic anemia:

Explanation: 1. Hemorrhagic anemia can be defined as lack of red blood cells (RBC) in the blood due to excessive bleeding that leads to more production of new red blood cells (RBC) in the blood.

2. It is manifestated by fall in blood pressure, dizziness, fatigue, weakness, shortness of breath, etc.

Answer:

Hemolytic anemia:

Explanation: 1. Hemolytic anemia can be defined as destruction of red blood cells (RBC) more than their production in bone marrow. The process of destruction is known as hemolysis. It is caused by some other diseases like leukemia, hepatitis, tumors, typhoid fever etc. It is also caused by side effects of some medications like acetaminophen, ampicillin, penicillin, ibuprofen, quinidine etc.

2. It is manifestated by confusion, pale skin, dizziness, heart palpitations, fatigue etc.

Answer:

Thalassemia:

Explanation: 1. Thalassemia is defined as a genetic blood disorder characterized by less amount of hemoglobin than the normal in the blood with less red blood cells (RBC). It is mainly caused by dysfunctional DNA's.

2. It is manifestated by dizziness, pale skin, slow growth, fatigue, dark urine, weakness, etc.

Answer:

Aplastic anemia:

Explanation: 1. Aplastic anemia can be defined as stoppage of all type of blood cells production by our body or bone marrow caused by damage or dysfunction of bone marrow.

2. It is manifestated by fatigue, more prone to get infections, dizziness, rapid heart rate, bleeding, etc.

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