WBC count

Definition

WBC count, or white blood cell count, measures the number of white blood cells in a volume of blood. It is an essential marker for immune function and can indicate infections or other health conditions.

5 Must Know Facts For Your Next Test

1. A normal WBC count ranges from 4,000 to 11,000 cells per microliter of blood.
2. Malnutrition can lead to a decreased WBC count, weakening the immune response.
3. Elevated WBC counts may indicate infection, inflammation, or stress on the pulmonary system.
4. Certain nutrients like vitamin C and zinc are crucial for maintaining a healthy WBC count.
5. Chronic lung conditions such as COPD can be monitored through regular WBC counts to assess inflammation and infection status.

Review Questions

• What is the normal range for a WBC count?
• How can malnutrition affect the WBC count?
• Which nutrients are important for maintaining a healthy WBC count?

Related terms

Neutrophils: The most abundant type of white blood cell that plays a key role in fighting infections.

Lymphocytes: A type of white blood cell involved in the adaptive immune response.

Pulmonary Function Test (PFT): A test used to measure how well the lungs are working by assessing volumes and flow rates.