Endemic goitre is a state of from Biology Chemical Coordination

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 Multiple Choice QuestionsMultiple Choice Questions

31.

Hypersecretion of Growth Hormone in adults does not cause further increase in height, because

  • Growth Hormone becomes inactive in adults

  • Epiphyseal plates close after adolescence

  • Bones loose their sensitivity to Growth Hormone in adults

  • Bones loose their sensitivity to Growth Hormone in adults

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32.

Which of the following is an amino acid derived hormone?

  • Epinephrine

  • Ecdysone

  • Estriol

  • Estradiol


33.

Which of the following gastric cells indirectly help in erythropoiesis?

  • Chief cells

  • Mucous cells

  • Parietal cells

  • Goblet cells


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34.

Endemic goitre is a state of

  • normal thyroid function

  • moderate thyroid function

  • increased thyroid function

  • decreased thyroid function


D.

decreased thyroid function

Goitre is a swelling of the neck due to enlargement of the thyroid gland. This may be due to a lack of dietary iodine, which occurs due to decreases thyroid function, which is necessary for the production of thyroxine hormone.

This was the casue of endemic goitre formerly common in regions, where the people lacked in their diet iodine.


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35.

Hormone responsible for the secretion of milk after parturition is

  • ACTH

  • LH

  • ICSH

  • Prolactin


36.

Gigantism and acromegaly are due to

  • Hypothyroidism

  • Hyperthyroidism

  • Hypopituitarism

  • Hyperpituitarism


37.

During the propagation of a nerve impulse, the action potential results from the movement of

  • K+ ions from extracellular fluid to intracellular fluid

  • Na+ ions from intracellular fluid to extracellular fluid

  • K+ ions from intracellular fluid to extracellular fluid

  • Na+ ions from extracellular fluid to intracellular fluid


38.

Which of the following hormone secretes a gastric secretion?

  • Entero gastrone

  • Gastrin

  • CCK-PZ

  • Villikinin


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39.

 Steroid hormones work as

  • They enter into target cells and binds with specific receptor and ativate4s specific genes to form protein

  • They bind to cell membrane

  • They catalyse formation of cAMP

  •  None of the above


40.

Adrenaline and noradrenaline are hormones that act as

  • Energy producing agents

  • Food storage materials

  • Neurotransmitters

  • Energy storing substances


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