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Multiple Choice
Which of the following are considered formed elements of the blood?
A
Erythrocytes, leukocytes, and platelets
B
Albumin, globulin, and fibrinogen
C
Water, electrolytes, and nutrients
D
Plasma, serum, and fibrinogen
Verified step by step guidance
1
Understand the components of blood: Blood is composed of formed elements and plasma. Formed elements include cells and cell fragments, while plasma is the liquid portion.
Identify the formed elements: The formed elements of blood are erythrocytes (red blood cells), leukocytes (white blood cells), and platelets (thrombocytes). These are the cellular components.
Differentiate between formed elements and plasma components: Plasma contains water, electrolytes, nutrients, and proteins such as albumin, globulin, and fibrinogen. These are not considered formed elements.
Recognize the role of each component: Erythrocytes transport oxygen, leukocytes are involved in immune response, and platelets are crucial for blood clotting.
Conclude which options are formed elements: Based on the definitions, erythrocytes, leukocytes, and platelets are the formed elements of blood.