In adults, the full-blown hypothyroid syndrome is called……..
a) Goiter
b) cretinism
c) exophthalmia
d) myxedema
Explanation Myxedema means mucous swelling as body weight increases due to the formation and storage of a semi fluid material under the skin
Which of the following is/are the symptoms of Myxedema?
a) low metabolic rate, feeling chilled, puffy eyes
b) thick and dry skin with hair lost from the scalp of eyebrows
c) edema, tongue swelling, constipation, lethargy and mental sluggishness
d) all of these
Explanation Myxedema (severe hypothyroidism in adult)
If Myxedema is due to lack of iodine, the thyroid gland enlarges and protrudes, this condition is known as………
a) Goiter
b) cretinism
c) exophthalmia
d) endemic or colloidal goiter
Explanation Colloid nodular goiters are also known as endemic goiters and are usually caused by inadequate iodine in diet. They tend to occur in certain geographical areas with iodine-depleted soil, usually areas away from the sea coast.
Calcitonin is
secreted by…….gland.
a) anterior pituitary
b) posterior pituitary
c) thyroid gland
d) parathyroid gland
Explanation Calcitonin is a 32 amino acid peptide hormone secreted by parafollicular cells of the thyroid in humans and other chordates in the ultimopharyngeal body
Which of the following hormone play direct role in controlling extracellular level of calcium ions?
a) thyroxin
b) calcitonin
c) TSH
d) paratharmone
Explanation when Calcium level rises, calcitonin promotes calcium deposition into bones.
Inhibition of Ca absorption by the intestine and kidney are controlled by…..
a) calcitonin
b) thyroxin
c) T3
d) insulin
