Description : The total amount of iodine in the body of an average adult is (A) 10–15 mg (B) 20–25 mg (C) 45–50 mg (D) 75–100 mg MINERAL METABOLISM 199
Last Answer : Answer : C
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
Description : Radioactive iodine uptake by thyroid gland 24 hours of a test dose is (A) 1.5–15% of the test done (B) 15–20% of the test done (C) 20–40% of the test done (D) 50–70% of the test done
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
Description : Radioactive iodine uptake by thyroid gland is increased in (A) Endemic goitre (B) Hyperthyroidism (C) Myxoedema (D) Creatinism
Last Answer : Answer : B
Description : Thyroid gland takes up circulating iodine (A) By simple diffusion (B) By facilitated diffusion (C) By active uptake (D) In exchange for chloride
Description : Iodine is stored in (A) Thyroid gland as thyroglobulin (B) Liver (C) Intestine (D) Skin
Last Answer : Answer : A
Description : The daily zinc requirement of an average adult is (A) 5 mg (B) 10 mg (C) 15 mg (D) 25 mg
Description : Daily iodine requirement of an adult is about (A) 50 µg (B) 100 µg (C) 150 µg (D) 1 mg
Description : The radioisotope used to study the thyroid gland is (A) Iodine (B) Cobalt (C) Iron (D) Carbon
Last Answer : (A) Iodine
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
Description : A pregnant female delivers a baby who suffers from stunted growth, mental retardation, low intelligence quotient and abnormal skin. This is the result of (a) cancer of the thyroid gland (b) oversecretion of pars distalis (c) deficiency of iodine in diet (d) low secretion of growth hormone
Last Answer : (c) deficiency of iodine in diet
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 : The normal range of filtration factor in an adult is (A) 0.10–0.15 (B) 0.16–0.21 (C) 0.25–0.30 (D) 0.35–0.40
Description : For an adult male daily requirement of iodine is (A) 25–50 µg (B) 50–100 µg (C) 100–150 µg (D) 200–250 µg
Description : Daily requirement of iron for normal adult male is about (A) 5 mg (B) 10 mg (C) 15 mg (D) 20 mg
Description : Daily excretion of nitrogen by an adult man is about (A) 15–20 mg (B) 1.5–2 gm (C) 5–10 gm (D) 15–20 gm
Description : Protein bound iodine in blood is present to the extent of _______ / dL (A) 3–8 mg (B) 4–8 mg (C) 3–8 gm (D) 4–8 gm
Description : Dust content in raw blast furnace gas is about __________ gm/Nm3 ; hence it is cleaned to the dust level of about < 10 mg /Nm3 before use. (A) 15-30 (B) 1-2 (C) 70-100 (D) 150-200
Last Answer : (A) 15-30
Description : Protein bound iodine is _________ bound to protein. (A) Iodine (B) Thyroid hormones (C) Thyroxine (D) Tri iodo thyronine
Description : The total body content of manganese is about (A) 2 mg (B) 4 mg (C) 8 mg (D) 10 mg
Last Answer : Answer : D
Description : Daily urinary urobilinogen excretion in adult men is (A) 0–4 mg (B) 5–8 mg (C) 9–12 mg (D) 13–20 mg
Description : The daily requirement of riboflavin for adult in mg is (A) 0–1.0 (B) 1.2–1.7 (C) 2.0–3.5 (D) 4.0–8.0
Description : Iodide uptake by thyroid gland is decreased by (A) Thicyanate (B) Thiouracil (C) Thiourea (D) Methimazole
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
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
Description : Somatotropin is secreted by (A) Hypothalamus (B) Anterior pituitary (C) Posterior pituitary (D) Thyroid gland
Description : A substance which competes with iodide uptake mechanism by thyroid gland is (A) Thiocynate (B) Iodoacetate (C) Fluoride (D) Fluoroacetate
Description : Prostaglandins are liberated in the circulation by the stimulation of (A) Anterior pituitary glands (B) Posterior pituitary glands (C) Adrenal gland (D) Thyroid gland
Description : Calcitonin is synthesised in (A) Parathyroid glands (B) Thyroid gland (C) Pars intermedia of pituitary (D) Adrenal cortex
Description : The haemoglobin content per 100 mL of blood of a normal healthy human adult is (a) 5 - 11 gm (b) 25 - 30 gm (c) 17 - 20 gm (d) 12 - 16 gm.
Last Answer : (d) 12 - 16 gm.
Description : The total amount of copper in the body of an average adult is (A) 1 gm (B) 500 mg (C) 100 mg (D) 10 mg
Description : Daily iron requirement of an adult man is about (A) 1 mg (B) 5 mg (C) 10 mg (D) 18 mg
Description : Total daily iron loss of an adult man is about (A) 0.1 mg (B) 1 mg (C) 5 mg (D) 10 mg
Description : Recommended daily intake of fluoride for a normal adult is (A) 1.5–4.0 mg (B) 0–1 mg (C) 5–10 mg (D) 10–20 mg
Description : One degree of hardness of water means a content of salts of (A) 10.25 mg/litre (B) 12.25 mg/litre (C) 14.25 mg/litre (D) 16.25 mg/litre
Last Answer : (C) 14.25 mg/litre
Description : The recommended daily requirement of iron for women of 18–55 yrs age is (A) 5 mg (B) 8 mg (C) 10 mg (D) 15 mg
Description : 25 mL of household bleach solution was mixed with 30 mL of o.50 M Kl and 10 mL of 4N acetic acid. In the titration of the liberated iodine, 48 mL of 0
Last Answer : 25 mL of household bleach solution was mixed with 30 mL of o.50 M Kl and 10 mL of 4N acetic acid. In the titration ... B. 0.96 M C. 0.24 M D. 0.024 M
Description : The regimens recommended for treatment of chloroquine resistant P.falciparum malaria in an adult include the following except: A. Quinine 10 mg/kg/8 hourly+ doxycycline 100 mg/day for 7 days B. Quinine 10 mg/kg ... 7 days D. Artemether 80 mg i.m./twice on first day followed by once daily for 4 days
Last Answer : C. Mefloquine 0.5 g daily for 7 days
Description : The daily dose of elemental iron for maximal haemopoietic response in an anaemic adult is: A. 30 mg B. 100 mg C. 200 mg D. 500 mg
Last Answer : C. 200 mg
Description : When people have Thyroid cancer treatment is it only the cancer cells that pick up and are killed by the radioactive Iodine? If so why?
Last Answer : The radioactive iodine kills all the thyroid cells, not just the cancerous ones.
Description : Insufficient dietary iodine can cause – (1) Cretinism (2) Giant build (3) Enlarged thyroid (4) Small thyroid
Last Answer : (3) Enlarged thyroid Explanation: A severe iodine deficiency can cause hypothyroidism, and even developmental brain disorders and severe goiter. If there is not enough iodine in the diet, the ... the pituitary's continued high production of TSH in its attempt to raise thyroid hormone levels.
Description : Which one of the following glands in the human body stores iodine? (1) Parathyroid (2) Thyroid (3) Pituitary (4) Adrenal
Last Answer : (2) Thyroid Explanation: Iodine is mostly concentrated in thyroid gland. A healthy adult body contains 15- 20 mg of iodine, 7080% of which is stored in the thyroid gland
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 : 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 : If we injected a mammal with radioactive iodine, most of it would end up in A) the bone. B) the liver. C) the kidney. D) the thymus. E) the thyroid.
Last Answer : E) the thyroid.
Description : Which micromineral is essential for the production of the thyroid hormones? a. calcium c. fluorine b. iodine d. magnesium
Last Answer : b. iodine
Description : The thyroid inhibitor which produces the fastest response is: A. Lugol’s iodine B. Radioactive iodine C. Propylthiouracil D. Lithium carbonate
Last Answer : A. Lugol’s iodine