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Hormone Metabolism | Page - 8 | Multiple Choice Questions (MCQ)

Q 8cd4df0547 -
Binding of growth hormone to its receptor results in phosphorylation of?
A. JAK-2
B. Growth hormone receptor
D. All of these
Answer - D
Detail - No Details

Q 299d4f624d -
Iodide uptake by thyroid gland is decreased by?
A. Thicyanate
B. Thiouracil
C. Thiourea
D. Methimazole
Answer - A
Detail - No Details

Q a3e18aab18 -
Urinary excretion of vanillyl madelic acid is increased in?
A. Phaeochromocytoma
B. Cushing’s syndrome
C. Carcinoid syndrome
D. Aldosteronism
Answer - A
Detail - No Details

Q 7f5b85b5e0 -
Tyrosine hydroxylase is inhibited by?
A. Catecholamines
B. α−Methyldopa
C. Phenylalanine
D. Vanillyl mandelic acid
Answer - C
Detail - No Details

Q 73549e4de6 -
Dopa decarboxylase is inhibited by?
A. Epinephrine
B. Norepinephrine
C. α−Methyldopa
D. None of these
Answer - B
Detail - No Details

Q 14a3c6fb76 -
The rate limiting step in catecholamine synthesis is catalysed by?
A. Phenylalanine hydroxylase
B. Tyrosine hydroxylase
C. Dopa decarboxylase
D. Phenylethanolamine N-methyl transferase
Answer - B
Detail - No Details

Q 09df2e7b75 -
Vasoconstrictor effect of ADH is mediated by?
C. Protein kinase C
D. Angiotensin II
Answer - C
Detail - No Details

Q 27f6b6c44c -
Met-enkephalin is a?
A. Tripeptide
B. Pentapeptide
C. Octapeptide
D. Decapeptide
Answer - D
Detail - No Details

Q 0eff814290 -
All the following statements about epidermal growth factor are true except?
A. It is a protein
B. It possess quaternary structure
C. Its receptor is made up of a single polypeptide chain
D. Its receptor possesses tyrosine kinase domain
Answer - C
Detail - No Details

Q 6b5e850625 -
Biological activity of gastrin is present in the?
A. Four N-terminal amino acids
B. Four C-terminal amino acids
C. Five N-terminal amino acids
D. Five C-terminal amino acids
Answer - B
Detail - No Details

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