Study With Me : Introduction to Blood Transfusion 24

Question 136: What are the three main groups into which blood cells, or formed elements, are divided?

The answer: The three main groups of blood cells are red cells (erythrocytes), white cells (leucocytes), and platelets (thrombocytes).

Question 137: What is the primary function of red blood cells (erythrocytes)?

The answer: The primary function of red blood cells is to carry oxygen from the lungs to the body's tissues.

Question 138: What is the primary function of white blood cells (leucocytes)?

The answer: The primary function of white blood cells is to play a role in the body's immune response and defense against infections.

Question 139: What are platelets (thrombocytes) primarily responsible for in the blood?

The answer: Platelets (thrombocytes) are primarily responsible for blood clotting and preventing excessive bleeding.

Question 140: Why are blood counts performed in the laboratory?

The answer: Blood counts are done in the laboratory to estimate the numbers of blood cells in a patient and determine if these numbers fall within normal limits.