21. Pregnancy test kits are designed to detect:
(a) Estrogen
(b) Human chorionic gonadotropin
(c) Follicle-stimulating hormone
(d) Luteinizing hormone
22. Dienostrol is synthesized from:
(a) 4-amino acetophenone
(b) 4-chloro butyrophenone
(c) 4-bromo propiophenone
(d) 4-hydroxy propiophenone
23. Any enzyme that cleaves deoxyribonucleic acid (DNA ) at a specific site is called:
(a) Restriction endonuclease
(b) Restriction ribonuclease
(c) Interleukin
(d) Trypsin
24. Aspirin (pKa = 3.49) will be most soluble at pH
(a) 1.0
(b) 2.0
(c) 6.0
(d) 3.5
25. Which of the following is used in nuclear medicine imaging?
(a) Alpha radiations
(b) Gamma radiations
(c) Beta radiations
(d) None of these
26. Thyroxine is synthesized from:
(a) Cysteine
(b) Tyrosine
(c) Arginine
(d) Alanine
27. Misoprostol is a :
(a) Prostaglandin E1 analogue
(b) Prostaglandin E2 analogue
(c) Anti progestin
(d) Prostaglandin antagonist
28. Serendipity is:
(a) Serious adverse events
(b) Toxicity
(c) Observation by chance
(d) Anaphylactic shock
29. Once a week administration of which one of the following drugs has prophylactic activity against bacteraemia caused by Mycobacterium avium complex in AIDS patients ?
(a) Clarithromycin
(b) Azithromycin
(c) Rifabutin
(d) Isoniazid
30. Which one of the following drugs is useful in the prophylaxis of migraine?
(a) Ergotamine
(b) Sumatriptan
(c) Propranolol
(d) Domperidone
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