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Pharmacology

Pharmacology is the branch of medical science which deals with the mechanism, functioning, experimental analysis of impact of different drugs on living system.

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Lessons/Tutorials All ❱

Histamine And Antihistamine Drugs

pharmacy infoline  
30 Nov -0001   

histamine and antihistamine drugs...

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Notes All ❱

Teratogenecity of drugs

solotutes  
12 Jun 2020   

Some of drugs or chemicals are fatal to embryo development. Those drugs and chemical substances which produce deviations and abnormalities in the ...

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Commonly used drugs in Obstetric and Gynaecological conditions (starting with

prakash chandra  
5 Nov 2020   

There are some common drugs used in gynecology. Here is the list of drugs starting from "m" commonly used in obstetrics and gynecological conditio...

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Classification of antimicrobial drugs according to their type of action, spectrum of activity and mechanism of action

pharmacy exams  
19 May 2021   

Classification of antimicrobials is based on their type of action on microbes kill or reduce the number, spectrum of activity i.e can work on specif...

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MCQs on antihistamines | medicinal chemistry | by pharmacy infoline

pharmacy infoline  
12 Jul 2021   

Antihistamines are drugs which treat rhinitis and other allergies. Typically people take antihistamines as a cheap , generic, over-the-counter medicin...

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MCQs on antihistamines | medicinal chemistry | by pharmacy infoline

pharmacy infoline  
12 Jul 2021   

Antihistamines are drugs which treat rhinitis and other allergies. Typically people take antihistamines as a cheap , generic, over-the-counter medicin...

Read ( 3 min )

One Liners All ❱

Practice (MCQs) All ❱

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Q.1 Compared to subcutaneous injection, the intramus- cular injection of drugs:

  • Is more painful
  • Produces faster response
  • Is unsuitable for depot preparations
  • Carries greater risk of anaphylactic reaction


B. PharmaPharmacologyD. Pharma

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Q.2 The majority of drugs cross biological membranes primarily by

  • Passive diffusion
  • Facilitated diffusion
  • Active transport
  • Pinocytosis


B. PharmaPharmacologyD. Pharma

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Directions:

Q.3 Which of the following drugs is most likely to be absorbed from the stomach

  • Hyoscine hydrobromide
  • Morphine sulfate
  • Diclofenac sodium
  • Quinine dihydrochloride


B. PharmaPharmacologyD. Pharma

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Directions:

Q.4 The most important factor governing absorption of a drug from intact skin is

  • Nature of the base used in the formulation
  • Lipid solubility of the drug
  • Molecular weight of the drug
  • Site of application


B. PharmaPharmacologyD. Pharma

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Q.5 Bioavailability differences among oral formulations of a drug are most likely to occur if the drug

  • Undergoes little first-pass metabolism
  • Is incompletely absorbed
  • Is freely water soluble
  • Is completely absorbed


B. PharmaPharmacologyD. Pharma

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Q.6 Marked redistribution is a feature of

  • Highly plasma protein bound drugs
  • Depot preparations
  • Highly lipid soluble drugs
  • Poorly lipid soluble drugs


B. PharmaPharmacologyD. Pharma

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Q.7 High plasma protein binding

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


B. PharmaPharmacologyD. Pharma

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Q.8 Which of the following is a prodrug

  • Enalapril
  • Menapril
  • Thiazine
  • Penicillin


B. PharmaPharmacologyD. Pharma

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Q.9 Microsomal enzyme induction can be a cause of

  • Tolerance
  • Physical dependence
  • Psychological dependence
  • Idiosyncrasy


B. PharmaPharmacologyD. Pharma

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Q.10 Glomerular filtration of a drug is affected by its

  • Plasma protein binding
  • Lipid solubility
  • Degree of ionization
  • Rate of tubular secretion


B. PharmaPharmacologyD. Pharma

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Directions:

Q.1 Which of the following organs is innervated only by parasympathetic nerves

  • Sweat glands
  • Ciliary muscle
  • Iris muscles
  • Splenic capsule


D. PharmaPharmacologyB. Pharma

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Directions: .

Q.2 The following cotransmitter is most probably involved in mediating nonadrenergic-noncholinergic (NANC) relaxation of the gut

  • Nitric oxide (NO)
  • Adenosine
  • Neuropeptide Y (NPY)
  • Kallidin


D. PharmaPharmacologyB. Pharma

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Q.3 The major postjunctional cholinergic receptor is of the muscarinic type at the following site

  • Neuromuscular junction
  • Postganglionic parasympathetic
  • Adrenal medulla
  • Autonomic ganglia


D. PharmaPharmacologyB. Pharma

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Q.4 The choline ester resistant to both true and pseudo- cholinesterase is

  • Bethanechol
  • Butyrylcholine
  • Methacholine
  • Benzoylcholine


D. PharmaPharmacologyB. Pharma

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Q.5 The smooth muscle structure that is relaxed by choli- nergic drugs is

  • Colon
  • Gastric fundus
  • Bladder trigone
  • Major bronchi


D. PharmaPharmacologyB. Pharma

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Q.6 Pilocarpine is used for

  • Glaucoma
  • Paralytic ileus
  • Urinary retention
  • Infection


D. PharmaPharmacologyB. Pharma

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Q.7 The following inhibitor binds only to the ani-onic site of the cholinesterase enzyme

  • Neostigmine
  • Edrophonium
  • Physostigmine
  • Dyflos


D. PharmaPharmacologyB. Pharma

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Q.8 Reactivation of cholinesterase enzyme occurs on hydrolysis of the inhibitor by the same enzyme mole- cule in case of the following anticholinesterase

  • Edrophonium
  • Dyflos
  • Tacrine
  • Neostigmine


D. PharmaPharmacologyB. Pharma

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Q.9 Pyridostigmine differs from neostigmine in that

  • It produces less muscarinic side effects
  • It is more potent orally
  • It is longer acting
  • It does not have any direct action on NM receptor


D. PharmaPharmacologyB. Pharma

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Q.10 The site of action of miotics for therapeutic effect in angle closure glaucoma is

  • Canal of Schlemm
  • Ciliary body
  • Ciliary muscle
  • Sphincter pupillae muscle


D. PharmaPharmacologyB. Pharma

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Q.1 Labetalol differs from propranolol in that

  • It has additional α1 blocking property
  • It is a selective βS1 blocker
  • It does not undergo first pass metabolism
  • All of the above


D. PharmaPharmacologyPharmacologyB. PharmaPharmacologyPost Graduation

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Q.2 Select the β-adrenergic blocker that has additional β1blocking, vasodilator and antioxidant properties

  • Celiprolol
  • Metoprolol
  • Carvedilol
  • Acebutolol


D. PharmaPharmacologyPharmacologyB. PharmaPharmacologyPost Graduation

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Q.3 Select the β adrenergic blocker that is primarily eliminated unchanged by renal excretion

  • Atenolol
  • Carbinol
  • Ethanol
  • Dompirol


D. PharmaPharmacologyPharmacologyB. PharmaPharmacologyPost Graduation

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Q.4 Select the ultrashort acting cardioselective β adre- nergic blocker

  • Carbinol
  • Ethanol
  • Esmolol
  • Propalol


D. PharmaPharmacologyPharmacologyB. PharmaPharmacologyPost Graduation

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Q.5 The following disease is worsened by propranolol

  • Raynaud’s disease
  • Infection
  • Heart attack
  • Epilepsy


D. PharmaPharmacologyPharmacologyB. PharmaPharmacologyPost Graduation

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Q.6 Select the drug which is administered orally for erectile dysfunction in men

  • Albendazole
  • Mebendazole
  • Cocaine
  • Sildenafil


D. PharmaPharmacologyPharmacologyB. PharmaPharmacologyPost Graduation

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Q.7 Which of the following is a selective α1A receptor bloc- ker that affords symptomatic relief in benign prostatic hypertrophy without producing significant fall in blood pressure

  • Doxazosin
  • Alprostadil
  • Tamsulosin
  • Yohimbine


D. PharmaPharmacologyPharmacologyB. PharmaPharmacologyPost Graduation

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Q.8 The bladder trigone and prostatic muscles are relaxed by

  • Adrenergic α1 agonists
  • Adrenergic α1 antagonists
  • Adrenergic α2 antagonists
  • Adrenergic α2 agonists


D. PharmaPharmacologyPharmacologyB. PharmaPharmacologyPost Graduation

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Q.9 The drug which produces vasoconstriction despite being an α adrenergic blocker is

  • Tolazoline
  • Desmopressin
  • Ergotamine
  • Sildenafil


D. PharmaPharmacologyPharmacologyB. PharmaPharmacologyPost Graduation

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Q.10 While undergoing a surgical procedure a patient deve- lops hypotension. Which drug can be injected intramuscularly to raise his BP

  • Noradrenaline
  • Mephentermine
  • Isoxsuprine
  • Oxymetazoline


D. PharmaPharmacologyPharmacologyB. PharmaPharmacologyPost Graduation

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Q.1

The following are excreted faster in basic
urine

  • Weak acids
  • Strong acids
  • Weak Bases
  • None of the above


B. PharmaPharmacology

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Q.2 A good example of chemical antagonism

  • Heparin & Protamine
  • Protamine & Zinc
  • Heparin & Prothrombin
  • All the above


B. PharmaPharmacology

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Q.3 Active transport differs from facilitated transport in following ways, except

  • Carrier is involved
  • It is against concentration gradient
  • Energy is required
  • All of the above


B. PharmaPharmacology

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Q.4 Acidic drugs mainly bind to plasma

  • Albumin
  • acid glycoprotein
  • Weak acids
  • Heparin & Protamine


B. PharmaPharmacology

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Q.5 _______ is expressed in both the intestinal epithelium and the kidney.

  • CYP378A
  • CYP4B2
  • CYP3A4
  • CYP256


B. PharmaPharmacology

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Q.6 N-oxidation will be involved with the metabolism of following drugs, except

  • Dapsone
  • Meperidine
  • Phenytoin
  • Chlorpheniramine


B. PharmaPharmacology

Practice Tests All ❱

Pharmacology Aptitude Test

Pharmacology Aptitude Test
(10 Questions , 382 attempts)

Attempt Questions on Pharmacology to check your basic knowledge required for Pharmacy profession or job interviews and exams . ...

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Test on Drugs classifications 1

Test on Drugs classifications 1
(11 Questions , 124 attempts)

MCQs related to pharmacological classification of drugs including ANS acting drugs, autocoids, drugs for respiratory, hormones and related drugs, ...

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Online Practice Test for Pharmacy exams, previous Year questions

Online Practice Test for Pharmacy exams, previous Year questions
(50 Questions , 295 attempts)

Online practice test to prepare for pharmacy exams. Most questions are picked from previous year exams, based on memory and some old resources on book...

View Test
Classification of drugs in pharmacology Aptitude Test

Classification of drugs in pharmacology Aptitude Test
(30 Questions , 386 attempts)

This is a general aptitude test that contains questions (MCQs) from Drug classification (pharmacology) for pharmacists and other medical/param...

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Pharmacology and Toxicology MCQs | Practice Test #1

Pharmacology and Toxicology MCQs | Practice Test #1
(20 Questions , 98 attempts)

This test has 20 important questions from pharmacology. practice these questions and revise some basics....

View Test

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