Description : A 55 year-old female complaining of vague tiredness is found to have a serum corrected calcium concentration of 2.9 mmol/l. Examination was unremarkable. Which of the following results ... 4) Low normal plasma phosphate concentration 5) Low normal serum 25-hydroxyvitamin D concentration
Last Answer : Answers-3 Bit too easy really. A high or even normal PTH concentration in the presence of hypercalcaemia would support the diagnosis of hyperparathyroidism. A high urinary Calcium concentration may ... but neither confirm the diagnosis. Elevated 1,25 VitD suggests a diagnosis of hypervitaminosis D.
Description : In Vitamin D poisoning (hyper-vitaminosis) (A) Both serum and urinary “Ca” (B) The serum Ca is low and urinary calcium high (C) The serum “Ca” is increased and urinary “Ca” is normal (D) Both serum and urinary “Ca” are low
Last Answer : Answer : A
Description : Where are parathyroid glands located? Mention the hormone secreted. Mention the disorder caused due to its under secretion and over secretion. State its function.
Last Answer : Parathyroid glands are embedded in the tissues of thyroid gland. Parathyroid gland secreted a hormone called parathormone. The function of parathormone is to control the amount of calcium salts in ... cramps. Over secretion of parathormone removes calcium from the bones making them soft and spongy.
Description : Parathyroid hormone: a. is a peptide hormone b. is released in response to hypocalcaemia c. increases phosphate reabsorption in the kidneys d. increases calcium excretion in the kidneys
Last Answer : is released in response to hypocalcaemia
Description : Which of the following hormones is NOT correctly matched with its description? A) thymosin--aids in production of T cells B) thyroxin--needed for growth and development in vertebrates ... by removing glucose into tissues E) epinephrine--released by the adrenal medulla under stressful conditions
Last Answer : D) cortisol--lowers blood glucose level by removing glucose into tissues E) epinephrine--released by the adrenal medulla under stressful conditions
Description : A 55-year-old male undergoes a total abdominal colectomy. Which of the following statement(s) is/are true concerning the hormonal response to the surgical procedure? a. Adrenocorticotropic ... in serum insulin and a fall in glucagon accelerate hepatic glucose production and maintain gluconeogenesis
Last Answer : Answer: a, c One of the earliest consequence of a surgical procedure is the rise in levels of circulating cortisol that occur in response to a sudden outpouring of ACTH ... hepatic glucose production, and, with other hormones (epinephrine and glucocorticoids), gluconeogenesis is maintained
Description : After operative removal of the parathyroid glands resulting into hypoparathyroidism the concentration of the serum calcium may drop below (A) 11 mg (B) 10 mg (C) 9 mg (D) 7 mg
Last Answer : Answer : D
Description : Which of the following hormones is primarily responsible for stimulating the production of progesterone? a) Luteinizing hormone Luteinizing hormone is released by the pituitary gland. b) Follicle-stimulating ... , are involved in early development of the follicle and also affect the female libido.
Last Answer : a) Luteinizing hormone Luteinizing hormone is released by the pituitary gland.
Description : Which of the following is NOT true about hormones? A) Hormones are secreted into the bloodstream. B) Hormones are released from exocrine glands. C) Hormones may be classified as peptides or steroids. ... a target organ. E) Cells that react to a hormone have specific receptors for that hormone.
Last Answer : B) Hormones are released from exocrine glands.
Description : All the following statements about obstructive jaundice are true except (A) Prothrombin time may be prolonged due to impaired absorption of vitamin K (B) Serum alkaline phosphatase may be raised ... systemic circulation due to biliary obstruction (D) There is no defect in conjugation of bilirubin
Last Answer : Answer : B
Description : Which of the following hormones are synthesized as prehormones (A) Vasopressin and oxytocin (B) Growth hormone and insulin (C) Insulin and parathyroid hormone (D) Insulin and Glucagon
Last Answer : Answer : C
Description : Whcih of the following hormone does not activate adenylate cyclase? (A) Epinephrine (B) Glucagon (C) Parathyroid hormone (D) Insulin
Description : Whcih of the following hormone is a peptide of less than ten amino acids? (A) Insulin (B) Growth hormone (C) Oxytocin (D) Parathyroid hormone 228 MCQs IN BIOCHEMISTRY
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 : Hydroxylation of 25-hydroxy cholecalciferol is promoted by (A) Cytochrome - a (B) Parathyroid hormone (C) Cytochrome-b (D) CAMP
Description : What are the hormones secreted by Parathyroid? -Biology
Last Answer : answer:
Description : Good vision depends on adequate intake of carotene rich food. Select the best option from the following statements. (1) Vitamin A derivatives are formed from carotene. (2) The photopigments are embedded in the membrane discs of the inner ... (1) and (3) (c) (2), (3) and (4) (d) (1) and (2)
Last Answer : (b) (1) and (3)
Description : Good vision depends on adequate intake of carotene rich food : Select the best option from the following statements : (a) Vitamin A derivatives are formed from carotene (b) The photopigments are embedded in the membrane discs of the inner segment ... (a) and (c) (3) (b), (c) and (d) (4) (a) and (b)
Last Answer : (1) (a), (c) and (d)
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
Description : Assertion : Diabetes insipidus iS marked by excessive urination and too much thirst for water . Reason : Anti-diuretic hormone (ADH) is secreted by th
Last Answer : Assertion : Diabetes insipidus iS marked by excessive urination and too much thirst for water . Reason : ... D. If both Assertion & Reason are false.
Description : Cortisol is released from the A) adrenal medulla. B) adrenal cortex. C) thyroid. D) parathyroid. E) posterior pituitary.
Last Answer : B) adrenal cortex.
Description : Which inactivates an enzyme by occupying its active site? (A) Competitive inhibitor (B) Allosteric inhibitor (C) Non-competitive inhibitor (D) All of these
Description : In ricket, the product of Ca x p (in mg/ 100 ml) in serum is below (A) 30 (B) 50 (C) 70 (D) 100
Description : In serum product of Ca x p (in mg/100ml) in children is normally (A) 20 (B) 30 (C) 50 (D) 60
Description : Antidiuretic hormone (A) Is secreted by hypothalamus (B) Secretion is increased when osmolality of plasma decreases (C) Increases obligatory reabsorption of water (D) Acts on distal convoluted tubules and collecting ducts
Description : All the following statements about FSH are true except (A) It is a tropic hormone secreted by anterior pituitary (B) Its secretion is increased by gonadotropin releasing hormone (C) It acts on Sertoli cells (D) It increases the synthesis of testosterone
Description : Melanocyte stimulating hormone is secreted by (A) Pineal gland (B) Anterior lobe of pituitary gland (C) Posterior lobe of pituitary gland (D) Intermediate lobe of pituitary gland
Description : A hormone secreted from posterior pituitary is (A) Vasopressin (B) Thyrotropic hormone (C) Prolactin (D) Adrenocorticotropic hormone CHAPTER 8 CHAPTER 8 HORMONE METABOLISM ABOLISM
Description : A hormone secreted from anterior pituitary is (A) Growth hormone (B) Vasopressin (C) Oxytocin (D) Epinephrine
Description : What is the function of parathyroid hormone (PTH)? -Biology
Description : Which metabolism is controlled by parathyroid hormone ?
Last Answer : Parathyroid hormone regulates calcium , phosphorus metabolism.
Last Answer : Basically regulates the metabolism of calcium and phosphorus
Description : What is the target organ of the parathyroid hormone?
Last Answer : Feel Free to Answer
Description : The following are true about parathyroid hormone a. it is an 84 amino acid peptide hormone b. it increases calcium absorption from the gastrointestinal tract c. it acts on a cell surface receptor that increases intracellular cyclic AMP d. all above
Last Answer : all above
Description : Which one of the following pairs correctly matches a hormone with a disease resulting from its deficiency ? (a) Relaxin – Gigantism (b) Prolactin – Cretinism (c) Parathyroid hormone – Tetany (d) Insulin – Diabetes insipidus
Last Answer : (c) Parathyroid hormone – Tetany
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
Description : Which of the following hormones can play a significant role in osteoporosis? (a) Aldosterone and prolactin (b) Progesterone and aldosterone (c) Estrogen and parathyroid hormone (d) Parathyroid hormone and prolactin (
Last Answer : (c) Estrogen and parathyroid hormone
Description : Which pair of hormones has opposite, antagonistic effects? A) insulin--glucagon B) insulin--progesterone C) estrogen--thyroxin D) thyroxin--parathyroid hormone E) epinephrine--norepinephrine
Last Answer : A) insulin--glucagon
Description : Which of the following hormones is considered a glucocorticoid? A) aldosterone B) insulin C) thyroxin D) cortisol E) parathyroid hormone
Last Answer : D) cortisol
Description : Which of the following hormones require iodine? A) thyroxin B) aldosterone C) parathyroid hormone D) insulin E) cortisol
Last Answer : A) thyroxin
Description : Which of the following hormones can play a significant role in osteoporesis ? (1) Aldosterone and Prolactin (2) Progesterone and Aldosterone (3) Estrogen and Parathyroid hormone (4) Parathyroid hormone and Prolactin
Last Answer : (3) Estrogen and Parathyroid hormone
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
Description : The tear film: a. has a higher pH than the serum b. has a lower concentration of glucose than the serum c. the oily component is secreted by the meibomian glands d. all above
Description : When parathyroid gland degenerates, which activity is disturbed ?
Last Answer : When parathyroid gland degenerates, which activity is disturbed ? A. Growth B. Calcium ... C. Potassium concentration D. Sodium concentration
Description : Assertion : Diabetes insipidus is markee by excessive urination and too much thirst for water. Reason : Anti- diuretic hormone (ADH) is released by th
Last Answer : Assertion : Diabetes insipidus is markee by excessive urination and too much thirst for water. Reason : ... D. If both Assertion and Reason are false.
Description : The function of vitamin K is in (a) Regulation of Ca and P metabolism (b) Carbohydrate metabolism (c) Blood clotting (d) Respiration
Last Answer : (c) Blood clotting
Description : Serum AST activity is not characteristically elevated as the result of (A) Myocardial infarction (B) Passive congestion of liver (C) Muscular dystrophies (D) Peptic ulcer
Description : Patients with hepatocellular jaundice, as compared to those with purely obstructive jaundice tend to have (A) Lower serum ALP, LDH and AST activity (B) Lower serum ALP, Higher LDH and AST activity (C) Higher serum ALP, LDH and AST activity (D) Higher serum ALP, Lower LDH and AST activity
Description : The normal serum alkaline phosphatase activity ranges from (A) 1.0–5.0 KA units/100 ml (B) 5.0–13.0 KA units/100 ml (C) 0.8–2.3 KA units/100 ml (D) 13.0–21.0 KA units/100 ml
Description : The normal serum acid phosphatase activity ranges from (A) 5.0–13.0 KA units/100 ml (B) 1.0–5.0 KA units/100 ml (C) 13.0–18.0 KA units/100 ml (D) 0.2–0.8 KA units/100 ml