Bleeding is the main cause of iron-deficiency anemia, which is why serial blood transfusions are preferably done, especially in women, after menstruation.

Iron is a salt classified as a trace mineral, as it is used by organisms in small daily amounts, but its lack in intake can cause harm to the body. Regarding the biological role of this chemical element, mark the incorrect alternative.

The incorrect alternative is the one that states that bleeding is the main cause of iron-deficiency anemia and that the preferred treatment is blood transfusion. In fact, iron-deficiency anemia is caused by a lack of iron in the diet or poor absorption of this mineral, and the treatment consists of iron supplementation and dietary adjustments. The other alternatives are correct: iron is essential for the formation of hemoglobin and the transport of oxygen in the blood, iron-deficiency anemia is the most common and may be associated with a deficiency of folic acid and vitamin B12, vitamin C promotes iron absorption, and fortification of foods with iron and folic acid is a preventive measure in Brazil.

Which vitamin is important for vision and can be found in foods such as carrots, pumpkin, and sweet potatoes? Additionally, which mineral is necessary for the formation of healthy bones and is found in foods such as milk and dairy products, as well as fish and leafy vegetables?

Many foods we consume daily contain vitamins and minerals, essential nutrients for the proper functioning of our body. Vitamins are organic compounds that help regulate various cellular functions, while minerals are inorganic elements responsible for multiple functions, such as the formation of cells and body tissues. Based on these concepts, identify: 1) two vitamins and their respective functions in the body, 2) two minerals and their respective functions, and 3) describe the possible effects of deficiency and excess of one of the minerals mentioned above in the human body.

Minerals are essential in a healthy diet, as they perform various regulatory functions in the human body. Regarding this subject, make the correspondence between the columns presented below. 

1) Iron 

2) Sodium 

3) Calcium 

4) Phosphorus 

5) Potassium 

( ) Cellular osmotic balance. 

( ) Essential for blood clotting. 

( ) Energy transfer during cellular metabolic reactions. 

( ) Component of myoglobin and respiratory enzymes. 

( ) Muscle contraction and nerve impulse conduction. 

The correct sequence is:

The red color of blood is due to the presence of hemoglobin, which is essential for the transport of:

Question bank: Biochemistry: Vitamins and Minerals

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