Which of the following is the most essential nutrient for a woman during her initial stages of pregnancy to prevent birth defects?

What condition is caused by iodine deficiency during pregnancy and is characterized by stunted growth, deafness, and mental retardation?

Iodine is a part of thyroid hormone and is essential for the prevention of

Selenium is a component of the enzyme glutathione reductase

Impairment of wound healing may occur in patients with of zinc deficiency

Wilson disease is due to an increased secretion of copper in the bile .

Selenium is a constituent of the enzyme glutathione peroxidase

The loss of potassium from ECF in the intestine occurs in cases of persistent vomiting or diarrhea .

Which of the following is NOT observed when complement is activated by the alternative pathway

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C3b is involved in all the following EXCEPT

The following activate the alternative pathways of complement

All three complement pathway will be severely affected by deficiency of
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The fragments involved opsonization is
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Complement proteins found active in the blood and tissue fluid

C4b2a

Membrane attach complex

C3b activat mast cell

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