Administration of TSH increases serum T3 and T4 in (A) Hyperthyroidism of pituitary origin (B) Hyperthyroidism of thyroid origin (C) Hypothyroidism of pituitary origin (D) Hypothyroidism of thyroid origin

1 Answer

Answer :

Answer :  C

Related questions

Description : High level of T3 and T4 and low TSH in serum indicates (A) Hyperthyroidism of pituitary origin (B) Hypothyroidism of pituitary origin (C) Hyperthyroidism of thyroid origin (D) Hypothyroidism of thyroid origin

Last Answer : Answer : C

Description : Which of the following is the most common cause of Hypothyroidism in iodine sufficient area? Options: 1) Iatrogenic hypothyroidism 2) Post-partum thyroiditis 3) Autoimmune thyroiditis 4) Thyroid aplasia

Last Answer : Correct Answer: 3) Autoimmune thyroiditis

Description : A 20 yr. old female patient presents with pain in thyroid region of the neck since few days. She gives recent history of mumps. On palpation thyroid is tender and her thyroid function ... 1) de Quervain's thyroiditis 2) Silent thyroiditis 3) Primary thyrotoxicosis 4) Hashimoto's thyroiditis

Last Answer : Correct Answer: 1) de Quervain’s thyroiditis

Description : All the following statements about thyrotropin releasing hormone are true except (A) It is secreted by hypothalamus (B) It is a pentapeptide (C) It increases the secretion of TSH (D) Its secretion is inhibited by high level of T3 and T4 in blood

Last Answer : Answer : B

Description : In primary hypothyroidism the useful estimation is of (A) T3 (B) T4 (C) TBG (D) Autoantibodies

Last Answer : Answer : D

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

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

Last Answer : Answer : C

Description : The most reliable guide to adjustment of thyroxine dose in a patient of hypothyroidism is: A. Pulse rate B. Body weight C. Serum thyroxine level D. Serum TSH level

Last Answer : D. Serum TSH level

Description : 17.4 The most reliable guide to adjustment of thyroxine dose in a patient of hypothyroidism is: A. Pulse rate B. Body weight C. Serum thyroxine level D. Serum TSH level

Last Answer : D. Serum TSH level

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

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

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

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

Description : Select the hormone INCORRECTLY paired with its target. a) TSH - thyroid gland b) ACTH - anterior pituitary c) LH - ovary or testis d) MSH - melanocytes (pron: meh-lan-o-cite)

Last Answer : ANSWER: D -- MSH - MELANOCYTES

Description : Serum TSH levels are high in most cases of: A. Myxoedema B. Grave’s disease C. Carcinoma thyroid D. Toxic nodular goiter

Last Answer : A. Increases vascularity

Description : .19 Serum TSH levels are high in most cases of: A. Myxoedema B. Grave’s disease C. Carcinoma thyroid D. Toxic nodular goiter

Last Answer : A. Myxoedema

Description : Consumption of iodised salt is recommended in (A) Patients with hyperthyroidism (B) Patients with hypothyroidism (C) Pregnant women (D) Goitre belt areas

Last Answer : Answer : D

Description : B.M.R. is lowered in (A) Hypothyroidism (B) Leukemia (C) Cardiac failure (D) Hyperthyroidism

Last Answer : Answer : A

Description : Which of the following conditions may be detectable by growth monitoring? 1) Hyperthyroidism 2) Hypothyroidism 3) Pseudohypoparathyroidism 4) XYY Syndrome 5) Insulin dependent diabetes mellitus

Last Answer : Answers-2

Description : Reverse T3 is (A) A synthetic compound given counter the effects of T3 (B) Formed from T4 but has no hormone function (C) Formed by isomerisation of T3 (D) Formed from T4 and has hormone function

Last Answer : Answer : B

Description : One of the following does not bind T3 and T4: (A) Albumin (B) TBG (C) TBPA (D) Haptoglobin

Last Answer : Answer : D

Description : When iodine supplies are sufficient the T3 and T4 ratio in thyroglobulin is (A) 1 : 2 (B) 1 : 4 (C) 1 : 7 (D) 1 : 10

Last Answer : Answer : C

Description : Insufficient free T3 and T4 results in (A) Grave’s disease (B) Mysoedema (C) Cushing syndrome(D) Gigantism

Last Answer : Answer : B

Description : Iodine is the constituent of (A) T3 and T4 (B) PTH (C) Insulin (D) Adrenaline

Last Answer : Answer : A

Description : Serum a lka l ine phosphatase leve l increases in (A) Hypothyroidism (B) Carcinoma of prostate (C) Hyperparathyroidism (D) Myocardial ischemia

Last Answer : Answer : C

Description : Thyroid hormone: a. increases the absorption of carbohydrate from the intestine b. exerts a negative feedback action on TSH production c. increases the concentration of 2,3-DPG within the red blood cells d. all above

Last Answer : all above

Description : n the treatment of hyperthyroidism, carbimazole has the following advantage over radioactive iodine: A. Cost of treatment is lower B. It is preferable in uncooperative patient C. It is better tolerated by the patients D. Hypothyroidism when induced is reversible

Last Answer : Hypothyroidism when induced is reversible

Description : What is the function of thyroxine (T4) and triiodothyronine (T3)? -Biology

Last Answer : answer:

Description : What digital carrier transmits a digital signal at 274.176 Mbps? A. T1 B. T3 C. T2 D. T4

Last Answer : D. T4

Description : A digital carrier facility used to transmit a DSI-formatted signal at 1.544. Mbps. A. T2 B. T1 C. T4 D. T3

Last Answer : B. T1

Description : In a terrestrial ecosystem such as forest, maximum energy is in which trophic level? (a) T3 (b) T4 (c) T1

Last Answer : (c) T1

Description : Bamboo plant is growing in a fir forest then what will be the trophic level of it? (a) First trophic level (T1) (b) Second trophic level (T2) (c) Third trophic level (T3) (d) Fourth trophic level (T4)

Last Answer : a) First trophic level (T1)

Description : Which phage always carries a small piece of E.coli genome? A.Lambda B.Mu C.T4 D.T3

Last Answer : B.Mu

Description : Which phage always carries a small piece of E.coli genome? A- Lambda B- .Mu C- T4 D- T3

Last Answer : .Mu

Description : Hypothyroidism sufferers and doctors: what is your opinion about adding Cytomel (T3) to your medication routine?

Last Answer : Wow, I have never heard of Cytomel… I’ve been on synthroid/levothyroxine for most of my life, though, so following this question with interest.

Description : Simple goiter can be prevented by A) surgery to remove the thyroid gland. B) removal of the pituitary. C) administration of ACTH. D) administration of insulin. E) increasing intake of iodine in the diet.

Last Answer : E) increasing intake of iodine in the diet.

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

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

Description : Radioactive iodine uptake by thyroid gland is increased in (A) Endemic goitre (B) Hyperthyroidism (C) Myxoedema (D) Creatinism

Last Answer : Answer : B

Description : Excess secretion of thyroid hormones causes (A) Hyperthyroidism (B) Myxoedema (C) Cretinism (D) Cushing syndrome

Last Answer : Answer : A

Description : All the following statements about endemic goiter are true except (A) It occurs in areas where soil and water have low iodine content (B) It leads to enlargement of thyroid gland (C) It results ultimately in hyperthyroidism (D) It can be prevented by consumption of iodised salt

Last Answer : Answer : C

Description : The normal serum level of thyroxine (T4) is (A) 2.0–4.0 µg/100 ml (B) 5.5–13.5 µg/100 ml (C) 14.0–20.3 µg/100 ml (D) 20.0–25.0 µg/100 ml

Last Answer : Answer : B

Description : The normal serum level of triiodothyronine (T3) is (A) 0.2–0.5 ng/ml (B) 0.7–2.0 ng/ml (C) 2.0–4.0 ng/ml (D) 5.0–8.0 ng/ml HORMONE METABOLISM 211

Last Answer : Answer : B

Description : The hypothalamus contains cells which are sensitive to: a. PO2 b. arterial blood pressure c. [H+] d. TSH (thyroid-stimulating hormone) concentration

Last Answer : TSH (thyroid-stimulating hormone) concentration

Description : Gonadotropin releasing hormone (GnRH) stimulates the release of: a) ACTH. b) Growth hormone. c) Leutinising Hormone (LH). d) Thyroid stimulating hormone (TSH). e) Opiate peptides.

Last Answer : c) Leutinising Hormone (LH).

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

Description : What radioactive element is routinely used in treating hyperthyroidism, and in reducing thyroid activity? w) Iron-59 x) Gold-198 y) Cobalt-60 z) Iodine-131

Last Answer : ANSWER: Z -- IODINE-131

Description : Which of the following is the most common cause of Hypothyroidism in iodine sufficient area? Options: 1) Iatrogenic hypothyroidism 2) Post-partum thyroiditis 3) Autoimmune thyroiditis 4) Thyroid aplasia

Last Answer : Correct Answer: 3) Autoimmune thyroiditis

Description : Myxoedema occurs due to:** A. Hypersecretion of the thyroid B. Hypersecretion of the adrenal C. Hyposecretion of thyroid (hypothyroidism) D. Hyposecretion of the adrenal

Last Answer : C. Hyposecretion of thyroid (hypothyroidism)

Description : Secretion of thyroid hormones is regulated by (A) Hypothalamus (B) Anterior pituitary (C) Feedback regulation (D) All of these 220 MCQs IN BIOCHEMISTRY

Last Answer : Answer : D