Minerals Presentation by Katherine Espeleta Quiz

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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?

Potassium Signup and view all the answers

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

4700 mg per day Signup and view all the answers

What percentage of our body is made of minerals?

About 4% Signup and view all the answers

Which mineral is considered a major mineral or Macromineral?

Phosphorus Signup and view all the answers

Where do plants pick up minerals from?

The soil they grow in Signup and view all the answers

What are trace minerals also known as?

Micro-minerals Signup and view all the answers

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

Calcium Signup and view all the answers

What are minerals inorganic substances required by the body for?

Structural support Signup and view all the answers

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

Aids in muscle contraction Signup and view all the answers

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

Red meat Signup and view all the answers

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

Constipation Signup and view all the answers

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

Iron Signup and view all the answers

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

Tofu Signup and view all the answers

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

Haemochromatosis Signup and view all the answers

What is the advantage of dry ashing over wet ashing?

Requires less time Signup and view all the answers

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

Wet Ashing Signup and view all the answers

What is the main disadvantage of dry ashing?

Long time required Signup and view all the answers

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

Total amount of minerals in food Signup and view all the answers

Why is wet ashing considered safer than dry ashing?

Hazardous nature of perchloric acid in dry ashing 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?

Analysis of Ash and Minerals Signup and view all the answers

What is the advantage of low temperature plasma dry ashing?

Less chance of losing trace elements by volatilization Signup and view all the answers

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

Relatively expensive equipment and small sample throughput Signup and view all the answers

What is an application of insoluble ash in acid?

Measure surface contamination of fruits and vegetables Signup and view all the answers

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

Each element emits or absorbs radiation at specific wavelengths Signup and view all the answers

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

Absorption of UV-visible radiation by free atoms in the gaseous state Signup and view all the answers

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

AES utilizes the emission of radiation by a sample, AAS absorbs it Signup and view all the answers