NREMT Paramedic Practice

What condition may arise if the pH level of the blood falls below the normal range?

1. Acidosis

2. Alkalosis

3. Hypercapnia

4. Hypoxemia

The correct answer is: Acidosis

When the pH level of the blood falls below the normal range, it indicates an increase in acidity, leading to the condition known as acidosis. The normal pH range for blood is typically between 7.35 and 7.45. A pH level dropping below 7.35 suggests an accumulation of hydrogen ions or a loss of bicarbonate, both of which contribute to the acidic state of the blood. Acidosis can manifest in two forms: metabolic acidosis and respiratory acidosis. Metabolic acidosis results from processes such as lactic acid buildup or kidney dysfunction, while respiratory acidosis occurs due to inadequate ventilation causing a retention of carbon dioxide, which increases acidity. The identification and management of acidosis are critical as it can lead to significant physiological consequences and affect organ function. Understanding the pH level's significance in blood chemistry is essential for paramedics, as it can guide clinical decision-making and treatment approaches to restore homeostasis in patients.