Point of Care Electrolytes Quiz: Sodium, Potassium, Chloride, Bicarbonate ion, Ionized Calcium
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Questions and Answers

What is the primary function of ionized calcium (iCa2+) in the body?

  • Transmit nerve impulses
  • Maintain osmotic pressure
  • Regulate blood pH
  • Muscular contraction, cardiac function, and blood clotting (correct)

Which electrolyte imbalance is characterized by low levels of sodium and high levels of potassium?

  • Hyponatremia and hyperkalemia (correct)
  • Hypernatremia and hypokalemia
  • Hyponatremia and hypokalemia
  • Hypernatremia 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 (correct)
  • Hemoglobin
  • Blood gases
  • Electrolytes

What is the primary function of electrolytes in the body?

<p>All of the above (D)</p> Signup and view all the answers

Which of the following is the most plentiful electrolyte in the blood?

<p>Sodium (Na+) (C)</p> Signup and view all the answers

Which of the following electrolyte imbalances is characterized by low levels of carbon dioxide (CO2) and low levels of hydrogen ions (H+)?

<p>Hyperventilation (C)</p> Signup and view all the answers

Which of the following is the primary function of calcium in the body?

<p>Maintaining bone structure (C)</p> Signup and view all the answers

Which electrolyte imbalance can lead to muscle cramps, fatigue, and irregular heartbeat?

<p>Hypokalemia (D)</p> Signup and view all the answers

What is the primary purpose of using a POCT Cardiac Troponin T and I test?

<p>To detect the presence of a heart attack or myocardial infarction (C)</p> Signup and view all the answers

What is the primary function of a POCT Multi-Test-Panel instrument?

<p>To provide a comprehensive assessment of the patient's overall health (A)</p> Signup and view all the answers

Which of the following electrolytes is responsible for regulating the fluid balance in the body?

<p>Sodium (A)</p> Signup and view all the answers

What is the primary function of electrolytes in the body?

<p>To facilitate the transmission of electrical signals (A)</p> Signup and view all the answers

Which type of test is best suited for detecting a specific drug or screening for up to 30 drugs?

<p>Special Procedures – Drug Screening (D)</p> Signup and view all the answers

What sophisticated instrumentation is used when testing for drugs in blood samples?

<p>Liquid chromatography/mass spectrometry (LC/MS) (D)</p> Signup and view all the answers

Which element is typically measured in very small amounts (μg or ng) and can leach into the specimen from glass, plastic, or stopper material?

<p>Mercury (C)</p> Signup and view all the answers

What are other names for Point of Care Testing (POCT), which is also known as alternative site testing?

<p>Bedside Testing (B)</p> Signup and view all the answers

Which type of tube must be used to prevent falsely elevated results when testing for trace elements like aluminum, arsenic, and copper?

<p>Royal blue tube (C)</p> Signup and view all the answers

What type of test helps physicians diagnose and treat diseases by detecting genetic variations?

<p><strong>Special Procedures – Genetic tests</strong> (C)</p> Signup and view all the answers

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