Vetinerary Assistant Practice Exam

Which of the following indicates a low PCV?

1. Anemia

2. Dehydration

3. Hyperlipidemia

4. Normal hydration status

The correct answer is: Anemia

A low packed cell volume (PCV) indicates a reduced level of red blood cells in the blood, which is commonly seen in conditions like anemia. Anemia can arise from various causes, including blood loss, decreased red blood cell production, or increased destruction of red blood cells. When the PCV is low, it reflects that there are fewer red blood cells available to transport oxygen throughout the body, leading to symptoms such as fatigue and weakness in the affected individual. In contrast, dehydration typically results in an increased PCV due to the concentration of red blood cells in less plasma, while hyperlipidemia can also affect blood tests but does not directly cause low PCV. Normal hydration status would reflect a typical or balanced PCV, not a low one. Thus, assessing a low PCV primarily points towards anemia as the most significant and relevant finding.