EE Chapter 12 Biochemistry Q&A (1 OF 57) Sample Questions
1. Abundant element in the interstitial fluid may include:
- A. Potassium
- B. Sodium
- C. Magnesium
- D. Calcium
- E. Chlorine
Tips: Interstitial fluid is situated between parts or in the interspaces of a tissue therefore outside the cells. Sodium is the most abundant element outside the cells therefore in the interstitial fluid.
1. Read the question carefully. Make sense of what is being asked.
2. In answering this type of question, refrain from being carried away by the shortness of the question. Contain the excitement. As in answering other questions, look for your CUES and KEYWORDS. Here, cue is INSTERSTITAL. You may easily confuse it with INSIDE, so be careful. Interstitial refers to spaces. Meaning, question is asking for the element abundant OUTSIDE the cell. Remember you Mnemonic (for elements intra- and extracellular): PISO (Potassium In, Sodium Out)
3. Thus, the correct answer is B.