Lecture 19 Minerals - MC Flashcards
What percentage of total body weight do minerals constitute?
A) Less than 1%
B) About 4%
C) Approximately 10%
D) More than 15%
B
Which of the following best describes the nature of minerals?
A) Organic compounds that can be broken down by digestion
B) Inorganic, crystalline substances that are not altered by digestion
C) Liquid compounds essential for energy production
D) Carbon-containing structures that can be synthesized by the body
B
Minerals are involved in which of the following physiological functions?
A) Providing energy directly from their structure
B) Acting as catalysts in breaking down proteins
C) Transmitting nerve impulses and contracting muscles
D) Producing hormones and vitamins
C
Which category of minerals requires a daily intake of at least 100 mg?
A) Micro or trace minerals
B) Macro or major minerals
C) Vitamins
D) Amino acids
B
Which minerals are classified as essential electrolytes that help maintain hydration and muscle function?
A) Chromium, manganese, sulfur, selenium, iodine
B) Phosphorus, potassium, sodium, chloride
C) Iron, zinc, copper
D) Calcium, phosphorus, magnesium, fluoride
B
What role do ‘blood fortifiers’ minerals play in the body?
A) They enhance carbohydrate metabolism
B) They support erythropoiesis and blood function
C) They are primary in hormone synthesis
D) They regulate nerve function
B
*Which group of minerals is involved in the conversion of food into energy, though they don’t provide energy themselves?
A) Macro minerals
B) Bone builders
C) Power generators
D) Blood fortifiers
C