CH 7 Vitamins

Question 1

Difference between water-sol and fat-sol vitamins?

Answer 1

• water sol are easily absorbed in the small intestine and then pass into the bloodstream, low risk of toxicity, fast develop of deficiencies
• fat sol bile is required for their absorption from the small intestine and can accumulate in the body, deficiencies slower to develop, greater risk of toxicity

Question 2

what is a coenzyme?

Answer 2

substance that activates an enzyme, in energy metabolism; it also has a role in nerve functioning related to muscle actions

Question 3

what is pellagra?

Answer 3

niacin deficiency disorder common in southern poor from corn based diet

Question 4

what are the 3 Ds used for pellagra?

Answer 4

Dermatitis: scaly rash on skin exposed to sun
Dementia: centra nervous system affected and develop deficiencies
Diarrhea: damage to GI tract affects digestion absorption

Question 5

recommended folate intake for pregnant women?

Answer 5

600ug during pregnancy
500ug during lactation

Question 6

what’s the deficiency of B12?

Answer 6

older adults at risk and usually a secondary deficiency that can cause anemia and neurological/nueorpsychiatric effects

Question 7

what’s the vitamins A deficiency?

Answer 7

vision impairment and suppresses immune system

Question 8

what’s rickets caused by?

Answer 8

a vitamin D deficiency

Question 9

9. Which population is most at risk for a vitamin c deficiency

Answer 9

chronic alcohol and illicit drug users, smokers, older adults

Question 10

Which vitamin has a distinct fishy odor

Answer 10

choline

Question 11

What occurs with vitamin D deficiency

Answer 11

rickets
osteomalacia
osteoporosis