Answer to Question 1
Large amounts of iron can be toxic to the body. Iron overload is a condition in which the body absorbs excessive amounts of iron. As a result, tissue damage occurs, especially in organs such as the liver that store iron. Infections are more likely to occur when this condition exists, because bacteria thrive on iron-rich blood. This condition is more common in men than in women.
Although iron is an important essential nutrient in the body, it can also act as a powerful oxidizing agent in reactions that produce free radicals in the body. Therefore,
avoid taking extra supplemental iron unless you have been diagnosed as deficient. Be sure to keep iron supplements out of the reach of children, toothey can fatally overdose on such tablets.
Answer to Question 2
B
Psoriasis. This photograph demonstrates the characteristic white skin patches of this condition.
The following terms describe types of body movement that occur at the diarthrotic joints
Erythroblastosis fetalis. (a) The condition occurs with an RH+ father and RH– mother. (b) First preg
Intussusception. The condition is caused by an infolding of the small intestine, which often causes
The iron atom of heme has six coordination bonds: four in the plane
Breakfast cereals rich in iron, vitamin D and vitamin B-12