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Quinidine acts as antiarrhythmic drug by -

D. Pharma B. Pharma Pharmaceutical Organic Chemistry Bachelor of Pharmacy Diploma in Pharmacy

Q. 13 of Quiz-736 (Que-ID : 1079)

Quinidine acts as antiarrhythmic drug by -

  • Calcium channel blockade
  • β -receptor blockade
  • Sodium channel blockade
  • None of the above

Ans → (c)Sodium channel blockade

Explanation → Quinidine is a stereoisomer of quinine. It acts by blocking sodium channels.

This question is taken from this post → Practice Test #1 | Pharmaceutical Chemistry-II (organic) - attemp/practice


More MCQs in - Practice Test #1 | Pharmaceutical Chemistry-II (organic)

Q. 1 of Quiz-736 (Que-ID : 1067)

Diflunisal is a diflourophenyl derivative of -

  • Acetic acid
  • Propionic acid
  • Salicylic acid
  • Pyrazole

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Q. 2 of Quiz-736 (Que-ID : 1068)

Drug used in gout is -

  • Ibuprofen
  • Oxyphenbutazone
  • Indomethacin
  • None of the above

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Q. 3 of Quiz-736 (Que-ID : 1069)

Oxyphenbutazone is active metabolite of following -

  • Sulphinpyrazole
  • Pyrazole
  • Phenylbutazone
  • None of the above

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Q. 4 of Quiz-736 (Que-ID : 1070)

Carbomal, used in mild insomnia is a -

  • Monoguanide
  • Barbiturate
  • Monoureides
  • None of the above

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Q. 5 of Quiz-736 (Que-ID : 1071)

Cocaine is rarely used due to its -

  • Toxicity
  • Irritatant action
  • Toxicity and addiction
  • Incompatibility

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Q. 6 of Quiz-736 (Que-ID : 1072)

Largactil is a a common name for -

  • Prochlorperazine
  • Chlorpromazine
  • Perphenazine
  • Promethazine

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Q. 7 of Quiz-736 (Que-ID : 1073)

Which drug is preferred to give to bed wetted children?

  • Amitriptyline
  • Imipramine
  • Phenelzine
  • Isocarboxazide

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Q. 8 of Quiz-736 (Que-ID : 1074)

Which one of these drug is mono-amine oxidase (MAO) inhibitor?

  • Imipramine
  • Lithium citrate
  • Amitriptyline
  • Tranylcypromine

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Q. 9 of Quiz-736 (Que-ID : 1075)

Caffeine is a -

  • 3,7-dimethyl xanthene
  • 1,3,7-trimethyl xanthene
  • 1,3-dimethyl xanthene
  • None of the above

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Q. 10 of Quiz-736 (Que-ID : 1076)

Parkinsonism occurs due to -

  • Excess of dopamine
  • Depletion of dopamine
  • Depletion of epinephrine
  • None of the above

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Q. 11 of Quiz-736 (Que-ID : 1077)

Naphazoline is used in -

  • Asthma
  • Hypotension
  • Nasal congestion
  • Hay fever

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Q. 12 of Quiz-736 (Que-ID : 1078)

Hyoscine (scopolamine) differs structurally from atropine -

  • Hyoscine is not a ester
  • Hyoscine is an ester of different alcohol and tropic acid
  • Hyoscine possesses epoxide linkage between carbon 6 and 7
  • None of the above

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Q. 13 of Quiz-736 (Que-ID : 1079)

Quinidine acts as antiarrhythmic drug by -

  • Calcium channel blockade
  • β -receptor blockade
  • Sodium channel blockade
  • None of the above

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Q. 14 of Quiz-736 (Que-ID : 1080)

Propranolol, atenolol, and metoprolol are similar in structure due to possession of-

  • Basic nucleus
  • Side chain (2-hydroxy-3-isopropylaminopropoxy)
  • Alkyl group
  • All of these

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Q. 15 of Quiz-736 (Que-ID : 1081)

Mannitol acts as diuretic by-

  • Increasing the osmotic pressor in renal tubule
  • Increasing the rate if glomerular filtration
  • Inhibiting the reabsorption of sodium ion
  • None of the above

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Q. 16 of Quiz-736 (Que-ID : 1082)

Sulphonylureas act as oral hypoglycaemic agent by -

  • Increasing the metabolism of carbohydrate
  • Utilising the Glucose
  • Stimulating insulin secretion
  • None of the above

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Q. 17 of Quiz-736 (Que-ID : 1083)

Antithyroid drugs decrease the synthesis of thyroxine by -

  • Decreasing the availability of amino acid
  • Destroying the cell in thyroid gland
  • Interfering with incorporation of iodide thyroglobulin
  • All of these

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Q. 18 of Quiz-736 (Que-ID : 1084)

Which one of these is an anabolic steroid?

  • Testosterone propionate
  • Fluxymesterone
  • Stanozolol
  • None of the above

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Q. 19 of Quiz-736 (Que-ID : 1085)

Hydrocortisone differ from cortisone in possessing -

  • Basic nucleus
  • Double bond
  • Hydroxy group in place of keto group at C-11
  • None of the above

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Q. 20 of Quiz-736 (Que-ID : 1086)

Sulphonamides act as antibacterial drug due to -

  • Free amino group
  • Sulphonamide group
  • Benzene nucleus
  • None of the above

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Q. 21 of Quiz-736 (Que-ID : 1087)

The structure of penicillin consists of

  • Thiozolidine
  • β -lactam
  • Thiazolidine and β -lactam ring
  • None of the above

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Q. 22 of Quiz-736 (Que-ID : 1088)

Which one if these antibiotics is effective in the treatment of intestinal amoebiasis?

  • Streptomycin
  • Paromomycin
  • Ampicillin
  • Chloramphenicol

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Q. 23 of Quiz-736 (Que-ID : 1089)

Vermox is a common brand for -

  • Thiabendazole
  • Piperazine
  • Mebendazole
  • Metronidazole

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Q. 24 of Quiz-736 (Que-ID : 1090)

Which one of these drugs is used as an opthalmic diagnostic agent?

  • Fluorescein sodium
  • Congo red
  • Methelene blue
  • Indigo carmine

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Q. 25 of Quiz-736 (Que-ID : 1091)

Evans blue is used to determine -

  • Liver function
  • kidney function
  • Blood volume
  • Ulceration in Eye cornea

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Q. 26 of Quiz-736 (Que-ID : 1092)

Which one of these vitamin is a naphthaquinone derivative?

  • Vitamin C
  • Vitamin A
  • Vitamin K
  • Vitamin D

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Q. 27 of Quiz-736 (Que-ID : 1093)

Chemical structure of halothene is-

  • CH3-CHBrCl
  • CF3 -CHCl-O-CHF2
  • C3H7 - O- CH3
  • CHF.Cl-CF2-OCHF2

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Q. 28 of Quiz-736 (Que-ID : 1094)

The number of nitrogen atom in benzimidazole is :

  • 2 in the same ring
  • 3 in the same ring
  • 1 in the five membered ring
  • 2 in the different ring

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Q. 29 of Quiz-736 (Que-ID : 1095)

which one of these antineoplastic (anticancer) drugs contains platinum?

  • Nitrogen mustard
  • Busulphan
  • Cisplatin
  • Daunorubicin

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Q. 30 of Quiz-736 (Que-ID : 1096)

The organophosphate poisoning is treated by

  • Neostigmine
  • Physostigmine
  • Pralidoxime
  • Pyridostigmine

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More MCQs In - D. Pharma B. Pharma Pharmaceutical Organic Chemistry Bachelor of Pharmacy Diploma in Pharmacy

Q. 1 of Quiz- (Que-ID : 411)

Suganril is common brand name for:

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Q. 2 of Quiz- (Que-ID : 1185)

A type of account relating to losses and incomes is:

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Q. 17 of Quiz- (Que-ID : 1695)

Tincture of iodine is -

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  • weak iodine solution
  • Aqueous iodine solution
  • none of the above

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Q. 10 of Quiz- (Que-ID : 1477)

Drugs that cause evacuation of bowels or defecation are… . .

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  • Adsobent

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Q. 3 of Quiz- (Que-ID : 1812)

Paracetamol is excreted as-

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  • Hydroxy derivatives
  • none of the above

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Q. 7 of Quiz- (Que-ID : 1816)

Isosorbide dinitrate is usually administered by-

  • sublingual route
  • Oral route
  • Intravenous route
  • none of the above

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Q. 25 of Quiz- (Que-ID : 1148)

One fluid ounce is equal to

  • 30ml
  • 20 ml
  • 25 ml
  • 50 ml

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Q. 4 of Quiz- (Que-ID : 1454)

Limited scope of expansion is the disadvantage of…

  • Sole proprietorship
  • Partnership firms
  • Co operative society
  • All of them

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Q. 27 of Quiz- (Que-ID : 1180)

The substance added to form deflocculated suspensions is -

  • Suspending agent
  • Wetting agent
  • Electrolytes
  • Dispersing agents

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Q. 24 of Quiz- (Que-ID : 1117)

The basic ring present in estradiol (female sex hormone) -

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  • 5 α - pregnane
  • None of the above

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Q. 8 of Quiz- (Que-ID : 1565)

Simple syrup is a saturated solution of…

  • Fructose
  • Mannose
  • Glucose
  • Sucrose

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Q. 18 of Quiz- (Que-ID : 1084)

Which one of these is an anabolic steroid?

  • Testosterone propionate
  • Fluxymesterone
  • Stanozolol
  • None of the above

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Q. 21 of Quiz- (Que-ID : 1055)

How many pairs of spinal nerves are in humans?

  • 12
  • 13
  • 25
  • 31

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Q. 4 of Quiz- (Que-ID : 1070)

Carbomal, used in mild insomnia is a -

  • Monoguanide
  • Barbiturate
  • Monoureides
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Q. 17 of Quiz- (Que-ID : 1170)

Youngs formula for dose calculation is -

  • \({Age \ in \ years \over Age \ in \ years + 12} × adult dose\)
  • \({Age \over 20} × adult \ dose\)
  • Weight of the child in lbs/150 × adult dose
  • Age in months / 150 × adult dose

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Q. 8 of Quiz- (Que-ID : 1268)

Vitamin B3 is also known as-

  • Niacin
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  • Cynocobalamine
  • Thiamine

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Directions : For each question, choose a correct option from given four options (A, B, C and D)

Q. 29 of Quiz- (Que-ID : 1243)

Number of pharmacists required in a 300 bed hospital?

  • 3
  • 5
  • 8
  • 10

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Q. 20 of Quiz- (Que-ID : 1143)

Mineral oil cannot be used as oily vehicle in injection because

  • It is toxic
  • It is not absorbed in the body
  • It is incompatible
  • It is not metabolised in body

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Q. 7 of Quiz- (Que-ID : 1316)

Which one of the following will not apear as source of fund in flow statement?

  • Increase in share capital
  • increase in working capital
  • increase in secured loans
  • funds from operation

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Q. 14 of Quiz- (Que-ID : 1048)

Which part of CNS controls respiration?

  • Medulla
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  • Cerebellum
  • None of the above

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Q. 7 of Quiz- (Que-ID : 1491)

High plasma protein binding

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  • Generally makes the drug long acting
  • Facilitates glomerular filtration of the drug
  • Minimises drug interactions

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Q. 12 of Quiz- (Que-ID : 1105)

Which is the non acidic anti-inflammatory agent?

  • Oxyphenbutazone
  • Ibuprofen
  • Piroxicam
  • Nabumetone

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Q. 28 of Quiz- (Que-ID : 671)

Drug that shows selective antagonistic selective H1 antagonistic action?

  • Chlorpheniramine
  • Cimetidine
  • Ranitidine
  • Thioperamide

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Q. 2 of Quiz- (Que-ID : 1653)

The occurrence of typhoid is high in following circumstances except

  • Comes in contact with infected person
  • Use of narrow spectrum antibiotic
  • Living with poor sanitation
  • None of the above

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Q. 3 of Quiz- (Que-ID : 479)

The peritonium is a

  • Outer covering of elementary tract in abdomen
  • outer covering of thorax
  • inner covering of rectum
  • None of Above

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Q. 1 of Quiz- (Que-ID : 617)

Which drug from these is a schedule G drug?

  • Cimetidine
  • Allopurinol
  • L-Asparginase
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Q. 24 of Quiz- (Que-ID : 1090)

Which one of these drugs is used as an opthalmic diagnostic agent?

  • Fluorescein sodium
  • Congo red
  • Methelene blue
  • Indigo carmine

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Q. 31 of Quiz- (Que-ID : 118)

Fenbufen is used in

  • TB
  • Plague
  • Dengu
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Q. 22 of Quiz- (Que-ID : 665)

Ergot preparations are useful in migraine due to its-

  • Oxytocic action
  • Vasoconstriction action
  • α -receptors blocking action
  • None of the above

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Q. 9 of Quiz- (Que-ID : 1102)

The piperidine ring skeleton is present in 

  • Pantazocine
  • Levorphan
  • Pethidine
  • Nalorphine

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Q. 6 of Quiz- (Que-ID : 649)

Amlodepine Lowers blood pressure by-

  • Inhibition of calcium influx
  • Inhibition of angiotensin converting enzyme (ACE)
  • Blocking norepinephrine reuptake
  • All of the above

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Q. 6 of Quiz- (Que-ID : 1386)

Which one of these is called a Indian tobacco?

  • Lobelia
  • Nicotina
  • Cocca leaves
  • none of the above

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Vaccine, Sera, Insulin, Chloramphenicol is included in shedule?

  • Shedule C
  • Shedule C1
  • Shedule E
  • Shedule L

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Q. 16 of Quiz- (Que-ID : 1276)

The main role of PTC is in-

  • managing hospital
  • ADR's
  • financing hospital
  • recruitments for hospital

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Q. 8 of Quiz- (Que-ID : 1131)

The label shake well before use is indicated on the mixture containing -

  • Soluble medicaments
  • Potent medicament
  • Diffusible medicaments
  • Miscible liquid

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Q. 5 of Quiz- (Que-ID : 678)

Ball mill works on the principle of

  • Impact
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  • Attrition
  • Attrition and impact

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Q. 12 of Quiz- (Que-ID : 1105)

Which is the non acidic anti-inflammatory agent?

  • Oxyphenbutazone
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  • Piroxicam
  • Nabumetone

Discuss View Answer