Macrocytic anemia can be caused by a deficiency in which of the following?

• Iron

• Iodine

• Vitamin B12

• Potassium

Neural tube defects like spina bifida can be caused by a deficiency in which of the following?

• Sodium

• Iodine

• Potassium

• Folate

According to the World Health Organization, what is the greatest single cause of preventable brain damage and mental impairment in the world?

• Iron

• Iodine

• Vitamin B12

• Folate

Which of the following is at greatest risk of dying from dehydration?

• Infant

• School-aged child

• Teen

• Adult

Which of the following is at greatest risk of vitamin B12 deficiency?

• Breastfed infant

• Someone on a zero carb diet

• Someone who doesn't eat vegetables

• Someone who doesn't eat meat

Intake of which of the following helps to keep blood pressure low?

• Sodium

• Potassium

• Iodine

• Calcium