Minerals Presentation by Katherine Espeleta Quiz
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Questions and Answers

What is the main function of calcium in the body?

  • Aiding in blood sugar regulation
  • Regulating body temperature
  • Forming bones and teeth (correct)
  • Assisting in maintaining electrolyte balance

Which food item is the richest source of calcium per serving according to the text?

  • Salmon, canned (correct)
  • Broccoli, cooked
  • Yogurt, plain (low-fat)
  • Fortified orange juice

What is the consequence of too little calcium intake in adults as mentioned in the text?

  • Osteoporosis (correct)
  • Increased rate of growth
  • Hyper-irritability and tetany
  • Fractures of brittle bone by minor accidents

Which macromineral is an electrolyte that conducts electricity in the body?

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

What is the recommended daily intake of potassium according to the text?

<p>4700 mg per day (B)</p> Signup and view all the answers

What percentage of our body is made of minerals?

<p>About 4% (B)</p> Signup and view all the answers

Which mineral is considered a major mineral or Macromineral?

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

Where do plants pick up minerals from?

<p>The soil they grow in (B)</p> Signup and view all the answers

What are trace minerals also known as?

<p>Micro-minerals (C)</p> Signup and view all the answers

Which mineral is essential for the formation of bones and teeth?

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

What are minerals inorganic substances required by the body for?

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

What is one of the functions of potassium mentioned in the text?

<p>Aids in muscle contraction (D)</p> Signup and view all the answers

Which food is NOT listed as rich in potassium in the text?

<p>Red meat (B)</p> Signup and view all the answers

What is a symptom of potassium deficiency mentioned in the text?

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

Which mineral is primarily responsible for carrying oxygen throughout the body according to the text?

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

Which food is listed as rich in iron but not in potassium?

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

What is a potential consequence of excess iron intake as mentioned in the text?

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

What is the advantage of dry ashing over wet ashing?

<p>Requires less time (D)</p> Signup and view all the answers

Which method of asing analysis is described as more rapid than dry ashing?

<p>Wet Ashing (B)</p> Signup and view all the answers

What is the main disadvantage of dry ashing?

<p>Long time required (B)</p> Signup and view all the answers

What does the determination of ash content provide a measure of?

<p>Total amount of minerals in food (C)</p> Signup and view all the answers

Why is wet ashing considered safer than dry ashing?

<p>Hazardous nature of perchloric acid in dry ashing (C)</p> Signup and view all the answers

Which type of analysis provides a measure of specific inorganic components present in food such as Ca, Na, K, and Cl?

<p>Analysis of Ash and Minerals (C)</p> Signup and view all the answers

What is the advantage of low temperature plasma dry ashing?

<p>Less chance of losing trace elements by volatilization (B)</p> Signup and view all the answers

What is the major disadvantage of low temperature plasma dry ashing?

<p>Relatively expensive equipment and small sample throughput (A)</p> Signup and view all the answers

What is an application of insoluble ash in acid?

<p>Measure surface contamination of fruits and vegetables (A)</p> Signup and view all the answers

Why is atomic absorption spectroscopy considered effective for determining specific minerals in foods?

<p>Each element emits or absorbs radiation at specific wavelengths (D)</p> Signup and view all the answers

What is the basis of atomic absorption spectroscopy (AAS)?

<p>Absorption of UV-visible radiation by free atoms in the gaseous state (B)</p> Signup and view all the answers

How does atomic emission spectroscopy (AES) differ from atomic absorption spectroscopy (AAS)?

<p>AES utilizes the emission of radiation by a sample, AAS absorbs it (A)</p> Signup and view all the answers

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