Chapter 10 Q's Flashcards
Deficiencies in vitamin E can lead to which of the following?
Slurred speech
Deficiencies in vitamin B1 lead to which of the following?
Beriberi
What differentiates macro- and micronutrients?
The quantity in which they are needed in the diet.
What is the definition of Estimated Average Requirement for a nutrient?
A nutrient intake value that is estimated to meet the requirement of half the healthy individuals in a group.
What elemental metal is present in vitamin B12?
Cobalt
In what process does selenium play a critical role?
Antioxidant system
Deficiencies in vitamin C can lead to which of the following?
Scurvy
What medical therapy is used to remove metals from the body, specifically things like iron, mercury, arsenic, and/or lead?
Chelation
What blood process does vitamin K help directly control?
Blood clotting
What percent of athletes have been found to have inadequate levels of vitamin D?
54%
What is the normal range of calcium in the blood?
8.4-9.5 mg/dL
What is the intracellular-to-extracellular ratio of potassium?
30:1
What percent of children under the age of 5 have vitamin A deficiency worldwide?
33%
What percent of magnesium in the human body is found in bone tissue?
60%
What percent of the body is made of calcium?
1-2%
What is the recommended serving amount of fruit per day based on USDA Guidelines?
4
What is the maximal recommended daily intake of mercury?
2 µg/kg
What feature of minerals makes them different from vitamins?
They are inorganic.
What is the Recommended Dietary Allowance (RDA) of iodine for adults (men and non-pregnant or lactating women > 18 years of age)?
150 μg/day
What is the group of compounds that make up the vitamin A family called?
Retinoids
What is the normal range for the extracellular concentration of sodium?
136 to 151 millimolar
Pyridoxal, pyridoxine, and pyridoxamine are all molecules of which vitamin?
Vitamin B6
What is the Recommended Dietary Allowance (RDA) of vitamin A for adult males ( > 18 years of age)?
900 μg/day
900 μg/day
