18 Questions
What is the primary function of ionized calcium (iCa2+) in the body?
Muscular contraction, cardiac function, and blood clotting
Which electrolyte imbalance is characterized by low levels of sodium and high levels of potassium?
Hyponatremia and hyperkalemia
Which of the following is NOT a common test that can be analyzed using a POCT multi-test panel instrument?
Cardiac Troponin T and I
What is the primary function of electrolytes in the body?
All of the above
Which of the following is the most plentiful electrolyte in the blood?
Sodium (Na+)
Which of the following electrolyte imbalances is characterized by low levels of carbon dioxide (CO2) and low levels of hydrogen ions (H+)?
Hyperventilation
Which of the following is the primary function of calcium in the body?
Maintaining bone structure
Which electrolyte imbalance can lead to muscle cramps, fatigue, and irregular heartbeat?
Hypokalemia
What is the primary purpose of using a POCT Cardiac Troponin T and I test?
To detect the presence of a heart attack or myocardial infarction
What is the primary function of a POCT Multi-Test-Panel instrument?
To provide a comprehensive assessment of the patient's overall health
Which of the following electrolytes is responsible for regulating the fluid balance in the body?
Sodium
What is the primary function of electrolytes in the body?
To facilitate the transmission of electrical signals
Which type of test is best suited for detecting a specific drug or screening for up to 30 drugs?
Special Procedures – Drug Screening
What sophisticated instrumentation is used when testing for drugs in blood samples?
Liquid chromatography/mass spectrometry (LC/MS)
Which element is typically measured in very small amounts (μg or ng) and can leach into the specimen from glass, plastic, or stopper material?
Mercury
What are other names for Point of Care Testing (POCT), which is also known as alternative site testing?
Bedside Testing
Which type of tube must be used to prevent falsely elevated results when testing for trace elements like aluminum, arsenic, and copper?
Royal blue tube
What type of test helps physicians diagnose and treat diseases by detecting genetic variations?
Special Procedures – Genetic tests
Test your knowledge on the most common electrolytes measured in point of care settings, including sodium, potassium, chloride, bicarbonate ion, and ionized calcium. Learn about their functions, distribution in the body, and importance for maintaining various physiological processes.
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