Which of the following pituitary hormones is secreted without the

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 Multiple Choice QuestionsMultiple Choice Questions

221.

Which one of the following is not a second messenger in hormone action?

  • Calcium

  • Sodium

  • cAMP

  • cGMP


222.

Goitre can occur as a consequence of all the following except

  • iodine deficiency

  • pituitary adenoma

  • Grave's disease

  • excessive intake of exogenous thyroxin


223.

The genetic deficiency of ADH-receptor leads to

  • diabetes mellitus

  • glycosuria

  • diabetes insipidus

  • nephrogenic diabetes


224.

Tetany is caused by

  • hyperparathyroidism

  • hypoparathyroidism

  • hyperthyroidism

  • hypothyroidism


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225.

Which the following is a gastrointestine hormone?

  • Prolactin

  • Enterogastrone

  • GH

  • FSH


226.

Which one of the following statement is incorrect?

  • Glucagon is secreted by pancreas

  • Androgen is produced by ovary

  • Thyroxine is secreted by thyroid

  • Oxytocin is secreted by pituitary


227.

Which of the following statement is correct in relation to the endocrine system?

  • Adenohypophysis is under direct neural regulation of the hypothalamus

  • Organs in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones

  • Non- nutrient chemicals produced by the body in trace amount that act as intercellular messenger are known as hormones

  • Releasing and inhibitory hormones are produced by the pituitary gland


228.

Select the answer which correctly matches the endocrine gland with the hormone it secretes and its function/deficiency symptom

  • Endocrine gland Hormone Function/ deficiency symptoms
    Anterior pituitary Oxytocin Stimulates uterus contraction during child birth
  • Posterior pituitary Growth Hormone (GH) Oversecretion stimulates abnormal growth
  • Thyroid gland Thyroxine Lack of iodine in diet results in goitre
  • Corpus luteum Testosterone Stimulates spermatogenesis

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229.

Which of the following pituitary hormones is secreted without the involvement of a Releasing Hormone (RH)?

  • Thyroid Stimulating Hormone (TSH)

  • Follicle Stimulating Hormone (FSH)

  • Oxytocin

  • Prolactin


C.

Oxytocin

Oxytocin is a mammalian neurohypophysial hormone produced by hypothalamus and stored and secreted by posterior lobe of pituitary gland. It acts as a neuromodulator in the brain. It is secreted by the pituitary without the involvement of a Releasing Hormone (RH).

TSH, FSH and prolactin are secreted with the involvement of releasing hormones to release thyrotroph, gonadotroph and lactotroph cells triggers respectively the anterior lobe of pituitary to release their particular hormones such as thyroid releasing hormone, gonadotropin releasing hormone and prolactin releasing hormone, respectively.


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230.

Which of the following hormones is a derivative of fatty acid?

  • Gastrin

  • Thyroxin

  • Estrogen

  • Prostaglandins


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