What is the function of parathyroid hormone (PTH)? -Biology

What is the function of parathyroid hormone (PTH)? -Biology
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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

Potassium metabolism is regulated by the hormone: (A) Aldosterone (B) PTH (C) Somatostatin (D) Estrogen

Description : Potassium metabolism is regulated by the hormone: (A) Aldosterone (B) PTH (C) Somatostatin (D) Estrogen

Last Answer : Answer : A

The metabolism of sodium is regulated by the hormone: (A) Insulin (B) Aldosterone (C) PTH (D) Somatostatin

Description : The metabolism of sodium is regulated by the hormone: (A) Insulin (B) Aldosterone (C) PTH (D) Somatostatin

Last Answer : Answer : B

Where are parathyroid glands located? Mention the hormone secreted. Mention the disorder caused due to its under secretion and over secretion. State its function.

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.

Which metabolism is controlled by parathyroid hormone ?

Description : Which metabolism is controlled by parathyroid hormone ?

Last Answer : Parathyroid hormone regulates calcium , phosphorus metabolism.

Which metabolism is controlled by parathyroid hormone ?

Last Answer : Basically regulates the metabolism of calcium and phosphorus

What is the target organ of the parathyroid hormone?

Description : What is the target organ of the parathyroid hormone?

Last Answer : Feel Free to Answer

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

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

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 does not activate adenylate cyclase? (A) Epinephrine (B) Glucagon (C) Parathyroid hormone (D) Insulin

Last Answer : Answer : D

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 : 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

Last Answer : Answer : C

Parathyroid hormone (A) Is released when serum Ca++ is too high (B) Inactivates vitamin D (C) Is secreted when Ca++ is too low (D) Depends on vitamin K for adequate activity

Description : Parathyroid hormone (A) Is released when serum Ca++ is too high (B) Inactivates vitamin D (C) Is secreted when Ca++ is too low (D) Depends on vitamin K for adequate activity

Last Answer : Answer : C

Hydroxylation of 25-hydroxy cholecalciferol is promoted by (A) Cytochrome - a (B) Parathyroid hormone (C) Cytochrome-b (D) CAMP

Description : Hydroxylation of 25-hydroxy cholecalciferol is promoted by (A) Cytochrome - a (B) Parathyroid hormone (C) Cytochrome-b (D) CAMP

Last Answer : Answer : B

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 confirms the suspected diagnosis of primary hyperparathyroidism? 1) High normal 1,25-dihydroxyvitamin D concentration 2) High normal 24 hour urinary calcium concentration 3) High normal plasma parathyroid hormone concentration 4) Low normal plasma phosphate concentration 5) Low normal serum 25-hydroxyvitamin D concentration

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.

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

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

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

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

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

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

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

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 (

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

Which pair of hormones has opposite, antagonistic effects? A) insulin--glucagon B) insulin--progesterone C) estrogen--thyroxin D) thyroxin--parathyroid hormone E) epinephrine--norepinephrine

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

Which of the following hormones is considered a glucocorticoid? A) aldosterone B) insulin C) thyroxin D) cortisol E) parathyroid hormone

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

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 C) parathyroid hormone--increases level of calcium ions in blood D) cortisol--lowers blood glucose level by removing glucose into tissues E) epinephrine--released by the adrenal medulla under stressful conditions

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

Which of the following hormones require iodine? A) thyroxin B) aldosterone C) parathyroid hormone D) insulin E) cortisol

Description : Which of the following hormones require iodine? A) thyroxin B) aldosterone C) parathyroid hormone D) insulin E) cortisol

Last Answer : A) thyroxin

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

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

Express the following as pth power of qth root of x. (i) `(156)^(5/3)` (ii) `(-23)^(3/7)` (iii) `(2/3)^(3/2)` (iv) `(0.61)^(5/9)`

Description : Express the following as pth power of qth root of x. (i) `(156)^(5/3)` (ii) `(-23)^(3/7)` (iii) `(2/3)^(3/2)` (iv) `(0.61)^(5/9)`

Last Answer : Express the following as pth power of qth root of x. (i) `(156)^(5/3)` (ii) `(-23)^(3/7)` (iii) `(2/3)^(3/2)` (iv) `(0.61)^(5/9)`

A high concentration of PTH in blood causes (A) Increase in plasma calcium and inorganic phosphorous (B) Decrease in plasma calcium and inorganic phosphorous (C) Increase in plasma calcium and decrease in plasma inorganic phosphorous (D) Decrease in plasma calcium and increase in plasma inorganic phosphorous

Description : A high concentration of PTH in blood causes (A) Increase in plasma calcium and inorganic phosphorous (B) Decrease in plasma calcium and inorganic phosphorous (C) Increase in plasma calcium ... in plasma inorganic phosphorous (D) Decrease in plasma calcium and increase in plasma inorganic phosphorous

Last Answer : Answer : C

Secretion of PTH is regulated by (A) Hypothalamus (B) Anterior pituitary (C) Feedback effect of plasma PTH (D) Feedback effect of plasma calcium

Description : Secretion of PTH is regulated by (A) Hypothalamus (B) Anterior pituitary (C) Feedback effect of plasma PTH (D) Feedback effect of plasma calcium

Last Answer : Answer : D

PTH causes all of the following except (A) Increased intestinal absorption of calcium (B) Increased intestinal absorption of phosphate (C) Increased tubular reabsorption of calcium (D) Increased tubular reabsorption of phosphate

Description : PTH causes all of the following except (A) Increased intestinal absorption of calcium (B) Increased intestinal absorption of phosphate (C) Increased tubular reabsorption of calcium (D) Increased tubular reabsorption of phosphate

Last Answer : Answer : D

The second messenger for PTH is (A) Cyclic AMP (B) Cyclic GMP (C) Diacylglycerol (D) Inositol triphosphate

Description : The second messenger for PTH is (A) Cyclic AMP (B) Cyclic GMP (C) Diacylglycerol (D) Inositol triphosphate

Last Answer : Answer : A

Half-life of PTH is (A) A few seconds (B) A few minutes (C) A few hours (D) A few days

Description : Half-life of PTH is (A) A few seconds (B) A few minutes (C) A few hours (D) A few days

Last Answer : Answer : B

Amino acid residues which are essential for the biological activity of PTH are (A) N-terminal 34 amino acids (B) N-terminal 50 amino acids (C) C-terminal 34 amino acids (D) C-terminal 50 amino acids

Description : Amino acid residues which are essential for the biological activity of PTH are (A) N-terminal 34 amino acids (B) N-terminal 50 amino acids (C) C-terminal 34 amino acids (D) C-terminal 50 amino acids

Last Answer : Answer : A

The number of amino acid residues in PTH: (A) 51 (B) 84 (C) 90 (D) 115

Description : The number of amino acid residues in PTH: (A) 51 (B) 84 (C) 90 (D) 115

Last Answer : Answer : B

PTH (A) Reduces the renal clearance or excretion of calcium (B) Increases renal phosphate clearance (C) Increases the renal clearance of calcium (D) Decreases the renal phosphate clearance

Description : PTH (A) Reduces the renal clearance or excretion of calcium (B) Increases renal phosphate clearance (C) Increases the renal clearance of calcium (D) Decreases the renal phosphate clearance

Last Answer : Answer : A

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

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

Last Answer : Answer : A

Which statement is NOT correct about PTH? A) When calcium level rises, PTH secretion is inhibited. B) When calcium level lowers, PTH secretion is stimulated. C) PTH has the opposite effect of calcitonin. D) PTH stimulates calcium absorption from the gut. E) PTH decreases the activity of osteoclasts.

Description : Which statement is NOT correct about PTH? A) When calcium level rises, PTH secretion is inhibited. B) When calcium level lowers, PTH secretion is stimulated. C) PTH has the opposite effect of ... . D) PTH stimulates calcium absorption from the gut. E) PTH decreases the activity of osteoclasts.

Last Answer : E) PTH decreases the activity of osteoclasts.

What is the function of parathyroid gland ?

Description : What is the function of parathyroid gland ?

Last Answer : The hormone parathyroxine is secreted from this gland. And the hormone mainly regulates the metabolism of calcium and phosphorus.

What are the hormones secreted by Parathyroid? -Biology

Description : What are the hormones secreted by Parathyroid? -Biology

Last Answer : answer:

Which gland is parathyroid ?

Description : Which gland is parathyroid ?

Last Answer : Parathyroid gland of parathyroid gland.

Where is the parathyroid gland located ?

Description : Where is the parathyroid gland located ?

Last Answer : The position of the parathyroid gland is behind the thyroid gland.

How many parathyroid glands are there in human body ?

Description : How many parathyroid glands are there in human body ?

Last Answer : There are 4 parathyroid glands in human body .

What is parathyroid gland ?

Description : What is parathyroid gland ?

Last Answer : A person usually has four parathyroid glands , all of which are located behind the thyroid gland. Parathormone secreted by this gland mainly regulates the metabolism of calcium and phosphorus.

How many parathyroid glands does a human have ?

Last Answer : Humans have 4 parathyroid glands

When parathyroid gland degenerates, which activity is disturbed ?

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

How parathyroid glands do humans have?

Description : How parathyroid glands do humans have?

Last Answer : Most people have four. Some have 6, and a few 8.the answer is 4

Parathyroid hyperplasia?

Description : Parathyroid hyperplasia?

Last Answer : DefinitionParathyroid hyperplasia is the enlargement of all four parathyroid glands. The parathyroid glands are four glands in the neck that produce parathyroid hormone (PTH).Causes, incidence, and risk ... the pancreas. In MEN 2A, the overactivity of the parathyroids is associated with tumors i

Parathyroid cancer?

Description : Parathyroid cancer?

Last Answer : DefinitionParathyroid cancer is a cancerous (malignant) growth in a parathyroid gland.Alternative NamesParathyroid carcinomaCauses, incidence, and risk factorsThe parathyroid glands are responsible for managing ... exposure, however, is more likely to cause thyroid cancer.SymptomsSymptoms of parath

Parathyroid biopsy?

Description : Parathyroid biopsy?

Last Answer : DefinitionA parathyroid biopsy is a procedure to remove a small piece of a parathyroid gland. The parathyroid glands are the four glands behind the thyroid in the neck.Alternative NamesBiopsy - ... for the testTell your health care provider if you have any drug Allergies or bleeding prob

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

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

Tetany can occur (A) In primary hyperparathyroidism (B) In secondary hyperparathyroidism (C) In idiopathic hypoparathyroidism (D) After accidental removal of parathyroid glands

Description : Tetany can occur (A) In primary hyperparathyroidism (B) In secondary hyperparathyroidism (C) In idiopathic hypoparathyroidism (D) After accidental removal of parathyroid glands

Last Answer : Answer : D

Calcitonin is synthesised in (A) Parathyroid glands (B) Thyroid gland (C) Pars intermedia of pituitary (D) Adrenal cortex

Description : Calcitonin is synthesised in (A) Parathyroid glands (B) Thyroid gland (C) Pars intermedia of pituitary (D) Adrenal cortex

Last Answer : Answer : B

Which one of the Endocrine glands is known as master gland? (1) Pituitary (2) Adrenal (3) Thyroid (4) Parathyroid

Description : Which one of the Endocrine glands is known as master gland? (1) Pituitary (2) Adrenal (3) Thyroid (4) Parathyroid

Last Answer : (1) Pituitary Explanation: The pituitary is sometimes referred to as the "master gland" as it controls hormone functions such as our temperature, thyroid activity, growth during childhood, ... functions as our thermostat that controls all other glands that are responsible for hormone secretion.