Flashcards in 560C Vit and Min Deck (339)
How many atoms of iodine are found on the most physiologically-active form of thyroid hormone?
T/F:While cretinism specifically refers to the consequences of maternal iodine deficiency, the severe neurological symptoms of cretinism appear only in the infant, not the mother.
Indicate all of the following that are classified as goitrogens (2)
1. Cabbage family vegetables
Iodine is added to what dietary component in order to help prevent iodine deficiency?
T/F: Excessive supplementation with iodine can result in hypothyroidism.
3 sources of fluoride?
3. Grain products
Which categories of food provide the most nickel?
3. Nuts, legumes, grains
Which of the following groups of foods are richest in boron, providing 1.0 to 4.5 mg/100 g?
3. raisins, legumes, nuts, and avocados
The richest dietary sources of vanadium are _____.
2.cereal and grain products
What foods are rich sources of silicon?
1. whole grains and root vegetables
Which of the following can be considered essential for normal function of brain, bone, and liver?
Match the micronutrients with the appropriate biological function. Arsenic, Molybdenum, Silicon, Vanadium
1. Metabolism of some amino acids
2. Collagen formation
3. Mimicks insulin
4. Sulfite metabolism
Match the trace elements with the biomolecules they are either functionally or therapeutically associated with: Arsenic, Cobalt, Flouride, Manganese
3. Vitamin B12
Which micromineral serves as a cofactor for xanthine oxidase in the metabolism of purines, pyrimidines, and pteridines?
Which trace element competes with iron for intestinal absorption on divalent mineral transporter 1 (DMT1)?
For which TWO minerals may nickel be an effective (not an antagonistic) substitute in some enzyme systems?
Zinc and Magnesium
Which method was used to establish Adequate Intake recommendations for manganese?
3. Median manganese intake in typical American diets
A dietary supplement containing manganese at levels over twice the adult UL was shown in two studies to be effective for treating _______________. However, it is impossible to say whether manganese itself was responsible for any of this effectiveness.
T/F: inorganic forms of arsenic are more toxic than are organic forms of the element.
T/F: Chronic exposure to excessive arsenic could be detected reliably with hair analysis.
Boron is associated with which of the following functions?
2. bone development and mediation of the inflammatory response
Which mineral may substitute for magnesium in the complement system?
Concern exists over the amount of manganese in some supplements due to the possibility of toxic reactions in which body system?
Bluish skin and nails that result from ingestion of silver over a period of time are called _____.
name the n-based structural notation: gamma-linolenic acid
name the n-based structural notation: arachidonic acid
name the n-based structural notation: alpha-linolenic acid
name the n-based structural notation: eicosapentaenoic acid
Delivers fatty acids produced in the liver from carbohydrate, amino acid or fat precursors to extrahepatic cells via the action of lipoprotein lipase