A person who has symptoms of paleness and chronic fatigue is suspected of having anemia. To investigate this suspicion further, it would be most helpful to measure . 1. hematocrit2. differential WBC count3. total WBC count

The correct answer is option 1, that is, hematocrit.

Explanation:

Anemia refers to a condition in which the concentration of red blood cells gets reduced from their normal levels. The diagnosis of the condition is done with the help of a test known as complete blood count or CBC, which helps to determine different components of the blood. The test checks the levels of hematocrit and hemoglobin.  

The measurement of how much space is occupied by the RBCs in the blood is known as hematocrit and the iron-containing protein present in the RBCs is known as hemoglobin. If the test shows low concentrations of hematocrit or hemoglobin in the blood, it indicates that the person is suffering from anemia.  

All the world’s a stage/ And all the men and women merely players.” So go the famous lines from the comedy “As You Like It” by poet and playwright William Shakespeare (1564-1616). The notion that the world that Shakespeare created in the theater was a version of the world in which his audience lived was typical of “reasoning by analogy” a form of logic common during the Renaissance. It was believed that life was ordered in the same way from the largest forms such as the universe to the that of the smallest insect. However, Shakespeare's works were more than mirrors for Renaissance thought. He also influenced the development of that historical epoch