What Blood Test Is Used to Test the Number of WBCs

question 13

Multiple Choice

What blood test is used to test the number of WBCs to identify whether an infection is present?

• A) Bicarbonate
• B) Blood culture
• C) Blood differential
• D) Blood urea nitrogen

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Definitions:

Sodium Level

The concentration of sodium in the blood, crucial for maintaining blood pressure, fluid balance, and normal function of muscles and nerves.

Serum Potassium Level

The concentration of potassium in the blood serum, which is crucial for nerve and muscle cell function.

Cardiac Output

The volume of blood the heart pumps through the circulatory system in one minute, an important measure of heart function and efficiency.

Hypokalemia

A medical condition characterized by low levels of potassium in the blood.