Option (1) is the correct answer because statements B, C and D are true statements. ADH facilitates water reabsorption from DCT of nephron to prevent diuresis, which causes increase in blood pressure. ANF which is secreted by the heart is a vasodilator. Options (2), (3) and (4) are not correct because statements A and E are false. Excessive loss of body fluid from the body switches on the osmoreceptors