Date: 30-11-2024
Second Year MBBS Examination
II MBBS PHARMACOLOGY PAPER I
Time: 3 hours
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Max Marks: 100Instructions: INSTRUCTIONS: Attempt all
questions in both sections: (Use separate
answer book for each section)
Section 1
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1. Fill in the blanks: 6x1=06a. Intra-venous administration of drugs ensures
________ bio availability.
b. Myasthenia gravis is associated with the
production of ________ anti-body that binds to
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Ach receptorsc. 5-HT is formed from ________
d. An ultra-short acting thiobarbiturate thiopental
induces anaesthesia rapidly due to its
high________ solubility.
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e. Anti-depressant that can be used for thetreatment of migraine is ________
f. A recombinant humanized monoclonal anti-
body________ is not suitable for acute attacks
of asthma.
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2. Answer the followings (Multiple ChoiceQuestions): 4x1=04
a. Actions of Pilocarpine include the following
except: a) Sweating b) Salivation c) Myosis d)
Cycloplegia
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b. G Protein Coupled Receptor (GPCR) is aa)Metabotropic receptor b) lonic receptor c)
Kinase linked receptor d) Nuclear receptor
c. Selegeline is an example of: a) COMT Inhibitor
b) Peripheral decarboxylase inhibitor c)
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Peripheral carboxylase inhibitor d) MAOinhibitor
d. Drug of choice for treatment of absence
seizures is: a) Phenytoin b) Valproate c)
Ethosuximide d) Carbamazepine
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3.A 45 year old man visited the OPD withhistory of pain the epigastrium and the right
hypochondrium. He revealed that the pain
radiates to the back and is relieved on taking
food. He takes meals twice a day. On
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examination there is tenderness in theepigastrium. 1. What could be the probable
diagnosis? What investigation would you
suggest? 2. What treatment would you
suggest? Write in detail. 3. Any other
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instructions you would like to give. 4. Mention
the side effects of the drugs you are giving him.
4. Write short notes on (Any five):
a. Orphan drug
b. Transdermal therapeutic system (TTS)
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c. Centrally acting muscle relaxantsd. Adverse effects of Barbiturates
e. Therapeutic uses of Neostigmine
f. Autonomy in patient care
5. Explain (Any three):
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a. Why acetyl choline cannot be used aspharmacologic agent?
b. Why the phenomenon of Tachyphylaxis
occurs, with suitable examples?
c. Why colchicine is used in the management of
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acute gout?d. Why halothane is contra indicated in patients
with Pheochromocytoma?
Section 2
6.What are Anti-cholinesterases (AChE)?
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Describe the diagnosis and treatment oforgano-phosphate poisoning in detail.
7. Write short notes on (Any five): 5 x 2 =10
a. Status epilepticus
b. Uses of opioids
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c. Mixed order kineticsd. Dose-response curve
e. Double blind trials
f. Effect of urine pH on drug elimination
8. Explain briefly: 4 x 5=20
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a. Pyridoxine attenuates the Antiparkinsonianeffect of levodopa.
b. Benzodiazepines are preferred over
barbiturates as hypnotic drugs.
c. Treatment of constipation.
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d. Methyl alcohol poisoning.***