Calcitomica is antagonist to (A) Serotonin (B) Thyroxine (C) Tri iodo thyronine (D) Para thyroid hormone

Calcitomica is antagonist to (A) Serotonin (B) Thyroxine (C) Tri iodo thyronine (D) Para thyroid hormone
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Protein bound iodine is _________ bound to protein. (A) Iodine (B) Thyroid hormones (C) Thyroxine (D) Tri iodo thyronine

Description : Protein bound iodine is _________ bound to protein. (A) Iodine (B) Thyroid hormones (C) Thyroxine (D) Tri iodo thyronine

Last Answer : Answer : B

T3 is (A) Thyroxine (B) Triodo thyronine (C) Triodo tyrosine (D) Reverse tri iodo thyronine

Description : T3 is (A) Thyroxine (B) Triodo thyronine (C) Triodo tyrosine (D) Reverse tri iodo thyronine

Last Answer : Answer : B

The following are true about the thyroid hormone a. iodide ions enter the follicle cells by passive diffusion b .T4 and T3 bind to the receptors in nuclei c. thyroxine, once synthesized, is coupled to thyroglobulin until released d. a greater proportion of tri-iodothyronine is formed when iodine is deficient

Description : The following are true about the thyroid hormone a. iodide ions enter the follicle cells by passive diffusion b .T4 and T3 bind to the receptors in nuclei c. thyroxine, once ... thyroglobulin until released d. a greater proportion of tri-iodothyronine is formed when iodine is deficient

Last Answer : T4 and T3 bind to the receptors in nuclei

The thymus gland produces a hormone called – (1) thyroxine (2) thymosin (3) thyronine (4) calcitonin

Description : The thymus gland produces a hormone called – (1) thyroxine (2) thymosin (3) thyronine (4) calcitonin

Last Answer : (2) thymosin Explanation: The thymus is a specialized primary lymphoid organ of the immune system. Thymosin hormones are typically produced by the thymus gland and trigger the creation of Tcells, which are used by the immune system to fight disease. The thymus gland is only active until puberty.

The thymus gland produces a hormone called (1) thyroxine (2) thymosin (3) thyronine (4) calcitonin

Description : The thymus gland produces a hormone called (1) thyroxine (2) thymosin (3) thyronine (4) calcitonin

Last Answer : thymosin

Parathyroid hormone (PTH) is synthesised in (A) Chief cells of parathyroid glands (B) Oxyphil cells of parathyroid glands (C) Para follicular cells of thyroid glands (D) Follicular cells of thyroid gland

Description : Parathyroid hormone (PTH) is synthesised in (A) Chief cells of parathyroid glands (B) Oxyphil cells of parathyroid glands (C) Para follicular cells of thyroid glands (D) Follicular cells of thyroid gland

Last Answer : Answer : A

All the following statements about TSH are true except (A) It is a tropic hormone (B) It acts on para-follicular cells of thyroid glands (C) Its receptors are membrane-bound (D) Its second messenger is cyclic AMP

Description : All the following statements about TSH are true except (A) It is a tropic hormone (B) It acts on para-follicular cells of thyroid glands (C) Its receptors are membrane-bound (D) Its second messenger is cyclic AMP

Last Answer : Answer : B

Match the source gland with its respective hormone and function and select the correct option. Source Hormone Function gland (a) Anterior Oxytocin Contraction of uterus pituitary muscles during child birth (b) Posterior Vasopressin Stimulates pituitary reabsorption of water in the distal tubules in the nephron (c) Corpus Estrogen Supports pregnancy luteum (d) Thyroid Thyroxine Regulates blood calcium level

Description : Match the source gland with its respective hormone and function and select the correct option. Source Hormone Function gland (a) Anterior Oxytocin Contraction of uterus pituitary muscles during ... (c) Corpus Estrogen Supports pregnancy luteum (d) Thyroid Thyroxine Regulates blood calcium level

Last Answer : (b) Posterior Vasopressin Stimulates pituitary reabsorption of water in the distal tubules in the nephron

Select the answer which correctly matches the endocrine gland with the hormone it secretes and its function/deficiency symptom. Endocrine Hormone Function/ gland Deficiency symptoms (a) Thyroid Thyroxine Lack of iodine gland in diet results in goitre (b) Corpus Testo- Stimulates luteum sterone spermatogenesis (c) Anterior Oxytocin Stimulates pituitary uterus contraction during child birth (d) Posterior Growth Oversecretion pituitary hormone stimulates (GH) abnormal growth

Description : Select the answer which correctly matches the endocrine gland with the hormone it secretes and its function/deficiency symptom. Endocrine Hormone Function/ gland Deficiency symptoms (a) ... child birth (d) Posterior Growth Oversecretion pituitary hormone stimulates (GH) abnormal growth

Last Answer : (a) Thyroid Thyroxine Lack of iodine gland in diet results in goitre

The amino acid tryptophan is the precursor for the synthesis of (a) estrogen and progesterone (b) cortisol and cortisone (c) melatonin and serotonin (d) thyroxine and triiodothyronine

Description : The amino acid tryptophan is the precursor for the synthesis of (a) estrogen and progesterone (b) cortisol and cortisone (c) melatonin and serotonin (d) thyroxine and triiodothyronine

Last Answer : (c) melatonin and serotonin

Thyroid hormones are present in blood (A) In free form (B) In association with thyroxine binding globulin (TBG) (C) In association with thyroxine binding prealbumin (TBPA) (D) Mainly in association with TBG, partly in free form and sometimes in association with TBPA also

Description : Thyroid hormones are present in blood (A) In free form (B) In association with thyroxine binding globulin (TBG) (C) In association with thyroxine binding prealbumin (TBPA) (D) Mainly in association with TBG, partly in free form and sometimes in association with TBPA also

Last Answer : Answer : D

Thyroperoxidase iodinates (A) Free tyrosine in thyroid gland (B) Tyrosine residues of thyroglobulin (C) Tyrosine residues of thyroxine binding globulin (D) Tyrosine residues of thyroxine binding prealbumin

Description : Thyroperoxidase iodinates (A) Free tyrosine in thyroid gland (B) Tyrosine residues of thyroglobulin (C) Tyrosine residues of thyroxine binding globulin (D) Tyrosine residues of thyroxine binding prealbumin

Last Answer : Answer : B

An enzyme required for the synthesis of thyroid hormones is (A) Iodinase (B) Deiodinase (C) Thyroperoxidase (D) Thyroxine synthetase

Description : An enzyme required for the synthesis of thyroid hormones is (A) Iodinase (B) Deiodinase (C) Thyroperoxidase (D) Thyroxine synthetase

Last Answer : Answer : C

Prolactin release inhibiting hormone is believed to be (A) Serotonin (B) Norepinephrine (C) Dopanine (D) Acetyl choline

Description : Prolactin release inhibiting hormone is believed to be (A) Serotonin (B) Norepinephrine (C) Dopanine (D) Acetyl choline

Last Answer : Answer : C

Posterior pituitary gland secretes (A) Catecholamines (B) Oxytocin (C) Follicle stimulating hormone (D) Serotonin

Description : Posterior pituitary gland secretes (A) Catecholamines (B) Oxytocin (C) Follicle stimulating hormone (D) Serotonin

Last Answer : Answer : B

Iodo-acetate inhibits enzyme by reacting with which group at the active site of the enzyme?

Description : Iodo-acetate inhibits enzyme by reacting with which group at the active site of the enzyme?

Last Answer : Sulfhydryl group.

__________ hormone is a single chain polypeptide having 32 amino acids with molecular weight of 3,600. (A) Testosteron (B) Thyroxine (C) Calcitonine (D) Vasopressin

Description : __________ hormone is a single chain polypeptide having 32 amino acids with molecular weight of 3,600. (A) Testosteron (B) Thyroxine (C) Calcitonine (D) Vasopressin

Last Answer : Answer : C

When thyroxine binding globulin and thyroxine binding pre-albumin are saturated with thyroxine, the excess hormone is transported by (A) Albumin (B) Gamma globulins (C) Transcortin (D) None of these

Description : When thyroxine binding globulin and thyroxine binding pre-albumin are saturated with thyroxine, the excess hormone is transported by (A) Albumin (B) Gamma globulins (C) Transcortin (D) None of these

Last Answer : Answer : A

ACTH stimulates the secretion of (A) Glucocorticoids (B) Epinephrine (C) Thyroxine (D) Luteinizing hormone

Description : ACTH stimulates the secretion of (A) Glucocorticoids (B) Epinephrine (C) Thyroxine (D) Luteinizing hormone

Last Answer : Answer : A

Acromegaly results due to excessive release of (A) Thyroxine (B) Growth hormone (C) Insulin (D) Glucagon

Description : Acromegaly results due to excessive release of (A) Thyroxine (B) Growth hormone (C) Insulin (D) Glucagon

Last Answer : Answer : B

Hormone that binds to intracellular receptor is (A) Adrenocorticotropic hormone (B) Thyroxine (C) Follicle stimulating hormone (D) Glucagon

Description : Hormone that binds to intracellular receptor is (A) Adrenocorticotropic hormone (B) Thyroxine (C) Follicle stimulating hormone (D) Glucagon

Last Answer : Answer : B

The following are true: a. thyroxine is formed by iodination of tyrosine b. the ratio of T3 :T4 secreted by the thyroid gland is 1:5 c. about 99.5% of thyroxines is protein bound d. T3 is more active than T4

Description : The following are true: a. thyroxine is formed by iodination of tyrosine b. the ratio of T3 :T4 secreted by the thyroid gland is 1:5 c. about 99.5% of thyroxines is protein bound d. T3 is more active than T4

Last Answer : T3 is more active than T4

The aim of iodine therapy before subtotal thyroidectomy in Grave’s disease is: A. To render the patient euthyroid B. To restore the iodine content of the thyroid gland C. To inhibit peripheral conversion of thyroxine into triiodothyronine D. To reduce friability and vascularity of the thyroid gland

Description : The aim of iodine therapy before subtotal thyroidectomy in Grave’s disease is: A. To render the patient euthyroid B. To restore the iodine content of the thyroid gland C. To inhibit peripheral conversion of thyroxine into triiodothyronine D. To reduce friability and vascularity of the thyroid gland

Last Answer : D. To reduce friability and vascularity of the thyroid gland

Choose the correct statement about carbimazole: A. It induces improvement in thyrotoxic symptoms afer 1-4 weeks therapy B. Control of thyrotoxic symptoms with carbimazole is accompanied by enlargement of thyroid gland C. Its long term use in Grave's disease leads to ‘thyroid escape’ D. It mitigates thyrotoxic symptoms without lowering serum thyroxine levels

Description : Choose the correct statement about carbimazole: A. It induces improvement in thyrotoxic symptoms afer 1-4 weeks therapy B. Control of thyrotoxic symptoms with carbimazole is accompanied by ... leads to thyroid escape' D. It mitigates thyrotoxic symptoms without lowering serum thyroxine levels

Last Answer : A. It induces improvement in thyrotoxic symptoms afer 1-4 weeks therap

The following thyroid inhibitor interferes with peripheral conversion of thyroxine to triiodothyronine: A. Propyl thiouracil B. Methimazole C. Carbimazole D. Radioactive iodine

Description : The following thyroid inhibitor interferes with peripheral conversion of thyroxine to triiodothyronine: A. Propyl thiouracil B. Methimazole C. Carbimazole D. Radioactive iodine

Last Answer : A. Propyl thiouracil

ntithyroid drugs exert the following action: A. Inhibit thyroxine synthesis B. Block the action of thyroxine on pituitary C. Block the action of TSH on thyroid D. Block the action of thyroxine on peripheral tissues

Description : ntithyroid drugs exert the following action: A. Inhibit thyroxine synthesis B. Block the action of thyroxine on pituitary C. Block the action of TSH on thyroid D. Block the action of thyroxine on peripheral tissues

Last Answer : A. Inhibit thyroxine synthesis

Antithyroid drugs exert the following action: A. Inhibit thyroxine synthesis B. Block the action of thyroxine on pituitary C. Block the action of TSH on thyroid D. Block the action of thyroxine on peripheral tissues

Description : Antithyroid drugs exert the following action: A. Inhibit thyroxine synthesis B. Block the action of thyroxine on pituitary C. Block the action of TSH on thyroid D. Block the action of thyroxine on peripheral tissues

Last Answer : . Inhibit thyroxine synthesis

Triiodothyronine is preferred over thyroxine in the treatment of: A. Endemic goiter B. Cretinism C. Papillary carcinoma of thyroid D. Myxoedema coma

Description : Triiodothyronine is preferred over thyroxine in the treatment of: A. Endemic goiter B. Cretinism C. Papillary carcinoma of thyroid D. Myxoedema coma

Last Answer : D. Myxoedema coma

Thyroxine therapy is indicated in the following conditions except: A. Euthyroid status with raised TSH level B. Diffuse nontoxic goiter C. Nonfunctional thyroid nodule D. Benign functioning thyroid nodule

Description : Thyroxine therapy is indicated in the following conditions except: A. Euthyroid status with raised TSH level B. Diffuse nontoxic goiter C. Nonfunctional thyroid nodule D. Benign functioning thyroid nodule

Last Answer : C. Nonfunctional thyroid nodule

Why does the hormone serotonin decrease in the brain ?

Description : Why does the hormone serotonin decrease in the brain ?

Last Answer : : Stress / Depression and Insomnia , this is due to lack of moderate rest including excessive exertion. Moreover, due to steroid drugs , and various phobias, the level of this hormone may decrease. In this case, meditation is very effective.

Which of the following hormone is released in excess quantity during excitement? (1) Cortisone (2) Serotonin (3) Adrenaline (4) Oestrogen

Description : Which of the following hormone is released in excess quantity during excitement? (1) Cortisone (2) Serotonin (3) Adrenaline (4) Oestrogen

Last Answer : (3) Adrenaline Explanation: Adrenaline is a hormone produced by the adrenal glands during high stress or exciting situations. This powerful hormone is part of the human body's acute stress response system, ... , all of which work to increase blood flow to the muscles and oxygen to the lungs.

Which of the following hormone is released in excess quantity during excitement ? (1) Cortisone (2) Serotonin (3) Adrenaline (4) Oestrogen

Description : Which of the following hormone is released in excess quantity during excitement ? (1) Cortisone (2) Serotonin (3) Adrenaline (4) Oestrogen

Last Answer : Oestrogen

Antagonist pair off hormone which regulate `Ca^(+2)` in blood are

Description : Antagonist pair off hormone which regulate `Ca^(+2)` in blood are

Last Answer : Antagonist pair off hormone which regulate `Ca^(+2)` in blood are

Which of the following gives Iodo form test

Description : Which of the following gives Iodo form test

Last Answer : Which of the following gives Iodo form test A. `CH_(3)-CH_(2)-CH_(2)-OH` B. `CH_(3)-CH_(2)-OH` C. `CH_(3)-CH(OH) - CH_(3)` D. Both 2 and 3

The most abundant thyroid hormone in blood is (A) Free T3 (B) T3 bound to TBG (C) Free T4 (D) T4 bound to TBG

Description : The most abundant thyroid hormone in blood is (A) Free T3 (B) T3 bound to TBG (C) Free T4 (D) T4 bound to TBG

Last Answer : Answer : D

The most powerful thyroid hormone is (A) Reverse T3 (B) DIT (C) T3 (D) T4

Description : The most powerful thyroid hormone is (A) Reverse T3 (B) DIT (C) T3 (D) T4

Last Answer : Answer : C

An amino acid used for the synthesis of thyroid hormone is (A) Tyrosine (B) Tryptophan (C) Histidine (D) Proline

Description : An amino acid used for the synthesis of thyroid hormone is (A) Tyrosine (B) Tryptophan (C) Histidine (D) Proline

Last Answer : Answer : A

The leyding cell activity is controlled by (A) Intestitial cell stimulating hormone (B) Adernocortex stimulating hormone (C) Thyroid stimulating hormone (D) Melanocyte stimulating harmone

Description : The leyding cell activity is controlled by (A) Intestitial cell stimulating hormone (B) Adernocortex stimulating hormone (C) Thyroid stimulating hormone (D) Melanocyte stimulating harmone

Last Answer : Answer : A

Thyroid stimulating hormone is a dimer. The α-subunits of TSH, LH, FSH are identical. Thus the biological specificity must therefore be β subunit in which the number of amino acids is (A) 78 (B) 112 (C) 130 (D) 199

Description : Thyroid stimulating hormone is a dimer. The α-subunits of TSH, LH, FSH are identical. Thus the biological specificity must therefore be β subunit in which the number of amino acids is (A) 78 (B) 112 (C) 130 (D) 199

Last Answer : Answer : B

The hormone that stimulates heart beat is – (1) Thyroxine (2) Gastrin (3) Glycogen (4) Dopamine

Description : The hormone that stimulates heart beat is – (1) Thyroxine (2) Gastrin (3) Glycogen (4) Dopamine

Last Answer : (1) Thyroxine Explanation: Thyroxine is the main hormone secreted into the bloodstream by the thyroid gland. It plays vital roles in digestion, heart and muscle function, brain development and ... and cardiac output and also promotes vasodilation, which leads to enhanced blood flow to many organs.

is a hormone that regulates the amount of glucose in the blood? (1) Glucogen (2) Thyroxine (3) Oxytocin (4) Insulin

Description : is a hormone that regulates the amount of glucose in the blood? (1) Glucogen (2) Thyroxine (3) Oxytocin (4) Insulin

Last Answer : (4) Insulin Explanation: Insulin is a hormone that allows our body to use sugar (glucose) from carbohydrates in the food that we eat for energy or to store glucose for future use. Insulin ... or too low (hypoglycemia), Insulin is a peptide hormone produced by beta cells of the pancreatic islets.

Which of the following is an emergency hormone in humans? (1) Thyroxine (2) Insulin (3) Adrenalin (4) Progestrone

Description : Which of the following is an emergency hormone in humans? (1) Thyroxine (2) Insulin (3) Adrenalin (4) Progestrone

Last Answer : (3) Adrenalin

The followings are steroid hormones: a. corticotrophic hormone (ACTH) b. aldosterone c. thyroxine d. growth hormone

Description : The followings are steroid hormones: a. corticotrophic hormone (ACTH) b. aldosterone c. thyroxine d. growth hormone

Last Answer : aldosterone

The most important component of the oral contraceptive pills is (a) thyroxine (b) luteinising hormone (c) progesterone (d) growth hormone

Description : The most important component of the oral contraceptive pills is (a) thyroxine (b) luteinising hormone (c) progesterone (d) growth hormone

Last Answer : (c) progesterone

Which one of the following pairs correctly matches a hormone with a disease resulting from its deficiency? (a) Luteinising - Failure of ovulation hormone (b) Insulin - Diabetes insipidus (c) Thyroxine - Tetany (d) Parathyroid - Diabetes mellitus hormone

Description : Which one of the following pairs correctly matches a hormone with a disease resulting from its deficiency? (a) Luteinising - Failure of ovulation hormone (b) Insulin - Diabetes insipidus (c) Thyroxine - Tetany (d) Parathyroid - Diabetes mellitus hormone

Last Answer : (a) Luteinising - Failure of ovulation hormone

Feeling the tremors of an earthquake a scared resident of seventh floor of a multistoryed building starts climbing down the stairs rapidly. Which hormone initiated this action? (a) Adrenaline (b) Glucagon (c) Gastrin (d) Thyroxine

Description : Feeling the tremors of an earthquake a scared resident of seventh floor of a multistoryed building starts climbing down the stairs rapidly. Which hormone initiated this action? (a) Adrenaline (b) Glucagon (c) Gastrin (d) Thyroxine

Last Answer : (b) embryo sac

Metamorphosis of insects is regulated through hormone (a) pheromone (b) thyroxine (c) ecdysone (d) all of these.

Description : Metamorphosis of insects is regulated through hormone (a) pheromone (b) thyroxine (c) ecdysone (d) all of these.

Last Answer : (c) ecdysone

The hormone that stimulates heart beat is : (1) Thyroxine (2) Gastrin (3) Glycogen (4) Dopamine

Description : The hormone that stimulates heart beat is : (1) Thyroxine (2) Gastrin (3) Glycogen (4) Dopamine

Last Answer : Thyroxine

______ is a hormone that regulates the amount of glucose in the blood (1) Glucogen (2) Thyroxine (3) Oxytocin (4) Insulin

Description : ______ is a hormone that regulates the amount of glucose in the blood (1) Glucogen (2) Thyroxine (3) Oxytocin (4) Insulin

Last Answer : Insulin

Which of the following is an emergency hormone in humans? (1) Thyroxine (2) Insulin (3) Adrenalin (4) Progestrone

Description : Which of the following is an emergency hormone in humans? (1) Thyroxine (2) Insulin (3) Adrenalin (4) Progestrone

Last Answer : Adrenalin