I. Start the exam by click the “Start” button
HORMONE METABOLISM- Part 14
See all quizzes of HORMONE METABOLISM- Part 14 here:
1. __________ hormone is a single chain
polypeptide having 32 amino acids with
molecular weight of 3,600.
(A) Testosteron (B) Thyroxine
(C) Calcitonine (D) Vasopressin
2. Which of the following is noted in
cushing’s syndrome, a tumor associated
disease of the adrenal cortex?
(A) Decreased production of epinephrine
(B) Excessive production of epinephrine
(C) Excessive production of vasopressin
(D) Excessive production of cortisol
3. A cup of strong coffee would be expected
to
(A) Interfere with synthesis of prostaglandins
(B) Decrease the effects of Glucagon
(C) Enhance the effects of epinephrine
(D) Provide the vitamin nicotinic acid
4. Increased reabsorption of water from the
kidney is the major consequence of which
of the following hormones?
(A) Cortisol (B) Insulin
(C) Vasopressin (D) Aldosterone
5. Lack of Glucocorticoids and mineral
corticoids might be consequence of which
of the following defects in the adrenal
cortex?
(A) Androstenadione deficiency
(B) Estrone deficiency
(C) 17 α-OH progesterone deficiency
(D) C- α-Hydroxylase deficiency
6. ADP ribosylation is the mode of action of
(A) Cholera toxin
(B) Acetyl choline
(C) Muscerinic receptors
(D) Cyclic AMP
7. Which one of the following hormones is
derived most completely from tyrosine?
(A) Glucagon (B) Thyroxine
(C) Insulin (D) Prostaglandins
8. Insulin regulates fatty acid synthesis by
(A) Dephosphorylating of acetyl CoA carboxylase
(B) Activating phosphorylase
(C) Inhibiting malonyl CoA formation
(D) Controlling carnitine-Acyl CoA transferase
activity
9. Hormonal stimulation of the formation of
the second messenger inositol 1,4,5
triphosphate (IP3) quickly leads to the
release of which other intracellular
messenger?
(A) cAMP (B) Prostaglandin
(C) Calcinon (D) Leukotriene
10. Hormone receptors that stimulate cAMP
production
(A) are part of a complex of two proteins that
transform the external signal into internal
cAMP production
(B) are proteins distinct and separate from those
that catalyze the production of cAMP
(C) cause release of the catalytic subunit upon
binding of the hormone
(D) are not very specific and bind a number of
different hormones
11. All the following hormones use cAMP as
a second messenger except
(A) Estrogen (B) FSH
(C) Luteinizing (D) Glucagon
12. All the following hormones promote
hyperglycemia except
(A) Epinephrine (B) Norepinephrine
(C) Insulin (D) Glucagon
13. Glucagon activates the enzyme adenylcyclase
which causes the increase of blood
sugar level. Hence this hormone is called
(A) Hypoglycemic factor
(B) Hyper glycemic factor
(C) Antidiauritic factor
(D) Thyrotropin-releasing factor
14. TSH hormone biochemically is a
(A) Protein (B) Fat
(C) Glycoprotein (D) Carbohydrate
15. The secondary sexual characters in females
is effected by
(A) Estrogens (B) Gluco corticoids
(C) MIS (D) None of these
16. A hypochromic microcytic anaemia which
increases Fe, store in the bone marrow
may be
(A) Folic acid responsive
(B) Vitamin B12 responsive
(C) Pyridoxine responsive
(D) Vitamin C responsive
17. Gastric Secretion is regulated by the
hormone:
(A) Glucagon (B) Gastrin
(C) Epinephrin (D) ACTH
18. An essential agent for converting glucose
to glycogen in liver is
(A) Latic acid (B) GTP
(C) UTP (D) Pyruvic acid
19. Which of the following hormones is not
involved in carbohydrate metabolism?
(A) ACTH (B) Glucagon
(C) Vasopressin (D) Growth hormone
20. In the process of transcription, the flow
of genetic information is from
(A) DNA to DNA (B) DNA to protein
(C) RNA to protein (D) DNA to RNA
21. Anticodon region is an important part of
the structure of
(A) r-RNA (B) t-RNA
(C) m-RNA (D) z-DNA
22. Thyroid function is determined by the use
of isotopes:
(A) Na24 (B) K42
(C) Ca45 (D) I131
23. Pernicious anaemia is diagnosed by the
radio active substance:
(A) Cl36 (B) P32
(C) CO60 (D) Fe59
