Iodide in the blood is trapped by the A. pancreas and incorporated into thyroxin

Question

Iodide in the blood is trapped by the A. pancreas and incorporated into thyroxine. B. adrenal glands and incorporated into aldosterone. C. pituitary gland and incorporated into calcitonin. D. thyroid gland and incorporated into thyroxine. A dietary deficiency of _____ is associated with retarded growth and inadequate sexual development in humans. A. iron B. iodine C. selenium D. zinc Excess intake of zinc supplements can cause a deficiency in A. boron B. potassium. C. cooper. D. iodine. The human body has more of this substance (by weight) than any other substance. A. protein B. glycogen C. fat D. water The major cation in the intracellular fluid is _____, whereas the major anion in the extracellular fluid is _____. A. sodium: chloride B. potassium: chloride C. sodium: chloride D. potassium: phosphate Minerals most involved in fluid balance are A. calcium and magnesium. B. copper and iron. C. calcium and phosphorus. D. sodium and potassium. Which nutrient increases the absorption of non-heme iron by reducing ferric iron (Fe3+) to ferrous iron (Fe2+)? A. vitamin A B. vitamin C C. vitamin D D. vitamin B-12

Explanation / Answer

Answer 57: D. (As explained below)

While all organs mentioned above including the pancreas, the adrenal glands, the pituitary and the thyroid are endocrine glands, only thyroid is the endocrine gland that is associated with trapping of iodine.

Answer 58: D. (As explained below)

Iron deifciency is absically realted to anemias and disorders related to blood. Iodine deficiency is related to goitre. Selenium s an antioxidant and not related ot sexual development. Zinc is important to the growth of children and sexual development.

Answer 59: C. (As explained below)

Excess intake of zinc interferes with the absorption of copper and iron and thus leads to their deficiencies.

Answer 60: D. (As explained below)

60% of adult human body is water. Rest together comprise less than 40% of the human body.

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