Nutrition Module 8: Micronutrients Review Flashcards Preview

SMP - MNE Exam 2 > Nutrition Module 8: Micronutrients Review > Flashcards

Flashcards in Nutrition Module 8: Micronutrients Review Deck (194)
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91

Copper: toxicity?

1. Liver damage
2. DNA damage

92

Zinc: sources? 4

1. Milk
2. Meat
3. Yogurt
4. Beans

93

Zinc: functions? 7

1. Constituents of 300+ enzymes: Cell growth and division, DNA replication, gene transcription, RNA synthesis, protein synthesis
2. Immune health
3. Wound healing
4. Increases folate absorption
5. Antioxidant
6. Modulates insulin activity

94

Zinc: deficiency? 13

1. Growth retardation via decreased appetitie
2. Delayed wound healing
3. Immune dysfunction
4. Skin lesions
5. General malnutrition
6. Anemia
7. Cognitive impairment
8. Delayed sexual maturation
9. Hypogonadism
10. Impaired taste
11. Decreased appetite
12. Cancer risk
13. White spots on nails = leukonychia
14. Night blindness

95

Zinc: toxicity? 4

1. Interfers with copper and iron absorption
2. GI irritation with vomiting
3. Anemia
4. CNS disturbance

96

Calcium: sources? 7

1. Dairy
2. Calcium-fortified juice
3. Cereal
4. Tofu
5. Chinese cabbage
6. Kale
7. Broccoli

97

What does maximum absorption of calcium by the small intestine depend on?

Adequate vitamin D

98

What 2 nutrients consumed in high amounts can greatly reduce calcium uptake by the small intestine?

1. Oxalate
2. Phosphate

99

Calcium: functions? 4

1. Intracellular hormone-like signaling
2. Neurotransmission
3. Regulation of cell growth and differentiation
4. Blood clotting

100

What groups of people are at risk for calcium deficiency? 2

1. Vegans
2. Those who do not eat dairy

101

What does fractional calcium absorption mean?

Calcium absorption efficiency

102

When does higher fractional calcium absorption occur? How does it evolve over time?

Infancy and gradually declines with age

103

Selenium: sources? 4

1. Seafood
2. Meat
3. Grains
4. Nuts

104

Selenium: functions?3

1. ROS protection (glutathione peroxidase cofactor)
2. TH action regulation
3. Regulation of redox status of Vitamin C

105

What disease is associated with selenium deficiency?

Keshan disease = cardiomyopathy in China

106

Does selenium deficiency cause any symptoms?

NOPE

107

What can selenium deficiency increase the risk of?

Certain cancers

108

Selenium: toxicity? 6

1. Hair/Nail brittleness and loss
2. GI disturbances
3. Skin rash
4. Fatigue
5. Irritability
6. NS abnormalities

109

Potassium: rich sources? 4

1. Fruits
2. Veggies
3. Fresh meats
4. Milk

110

Potassium: functions? 5

1. Body water distribution
2. Acid/Base balance
3. Membrane transport and polarization
4. Neuromuscular and cardiac function
5. Protects against high BP

111

Vitamin K: what can cause deficiency?

Diuretics and other medications can increase losses and oral antibiotics can kill digestive bacteria that produce it

112

What can cause excess potassium? What does this lead to?

Kidney problems = cardiac arrest

113

What can cause potassium and sodium deficiency?

Prolonged diarrhea or vomiting

114

Magnesium: sources? 5

1. Whole grains
2. Legumes
3. Nuts
4. Dark green veggies
5. Some fruit

115

Magnesium: functions? 2

1. Maintain normal BP
2. Needed for all reactions involving ATP

116

Magnesium: deficiency? 5

1. Increased BP
2. Increased insulin resistance
3. Accelerated atherosclerosis
4. Arrhythmia
5. Bone mineral loss

117

Magnesium: toxicity? 1

Osmotic diarrhea with 350mg or more of non-food magnesium

118

Sodium: sources? 5

1. Processed foods
2. Smoked foods
3. Pickled foods
4. Cured meets
5. Condiments

119

Sodium: functions? 4

1. Extracellular volume regulation
2. Osmotic fluid shifts
3. RMP
4. Co-transport across plasma membrane

120

Sodium: toxicity? 1

HT in salt-sensitive peeps