Medical Technology Licensure Examination (MTLE) Practice Exam

The primary purpose of electrolyte tests in a blood analysis is to check the body's fluid balance and nerve function. Electrolytes, such as sodium, potassium, calcium, bicarbonate, and chloride, are essential for maintaining homeostasis within the body. They play a crucial role in regulating fluid balance, which affects hydration status and blood volume. Additionally, electrolytes are vital for the proper function of nerve impulses and muscle contractions.

Monitoring electrolyte levels is critical in various clinical scenarios, including conditions that can cause electrolyte imbalances, such as kidney disease, dehydration, and certain endocrine disorders. Abnormal levels can lead to serious complications, including cardiac dysrhythmias, muscle weakness, and neurological issues.

While assessing kidney function and evaluating hormonal balance can involve electrolyte tests, these processes are not the primary focus. Similarly, measuring protein levels is unrelated to electrolyte testing. Thus, the correct choice highlights the broader significance of electrolyte tests in understanding and managing bodily functions related to fluid balance and nerve activity.