Question

Neural tube defects typically occur before a woman even knows she is pregnant. O True False

Answer 1

1. neural tube defects occurs usually in the first month of pregnancy, often before a woman even knows that she is pregnant. so the statement is true.

2.goiter can occur due to too much or too little iodine in diet

Iodine deficiency is the most common cause of goitre. Lack of iodine in blood is coupled with low amount of thyroxine in the blood which leads to the high levels of thyroid stimulating hormone (TSH). It stimulates the thyroid gland which may leads the cellular growth and proliferation of the gland known as goitre. But high level of iodine in the blood also causes symptoms of iodine deficiency like goitre and thyroid gland inflammation

3. Thiamine (Vitamin B1) act as a coenzyme involved in the breakdown of sugars fatty acid and amino acids. it helps to convert glucose into energy.

4. all statements except 3 is true

1. Thiamine (Vitamin B1) deficiency is causes Thiamine deficiency is also seen in association with certain diseases: dysentery, diarrhoea, dermatitis and dementia. Thiamine deficiency is associated with neurological problems like dementia. Dermatitis is skin inflammation which may be caused by Thiamine (Vitamin B1) deficiency. Thiamine deficiency is also seen in association with diarrhoea.
2. Wernicke-Korsakoff syndrome (WKS) is a type of brain disorder results from Thiamine (Vitamin B1) deficiency and is associated with alcoholism.
3. Niacin can be produced from tryptophan which is an essential amino acid. But food containing niacin should be consumed.   Body gets niacin through food also.
4. Most adult people get enough riboflavin from the foods. Foods like eggs, meats, and milk, Green vegetables contain riboflavin.
5. Beriberi is rare in the United States. Beriberi is a disease caused by a vitamin B 1 deficiency