Pharmacology explores the interactions between drugs and biological systems, as well as the body’s responses to these drugs. This discipline covers a wide range of topics, including the origins, chemical properties, biological effects, and therapeutic uses of drugs. The impact of drugs can range from therapeutic benefits to potential toxicity, and is influenced by various factors. GuruMCQs.com provides an extensive array of pharmacology MCQs, continuously updated to encompass a wide range of topics. These MCQs span various areas such as neuropharmacology, psychopharmacology, toxicology, clinical pharmacology, molecular and cellular pharmacology, and more. Curated from reputable pharmacology references, these MCQs serve as valuable resources for interviews, entrance exams, competitive assessments, and certifications, catering to individuals at all stages of their careers. Additionally, explore MCQson Dental Materials for further study.

181. A patient is talking terfenadine for cold and comes for tooth extraction. What tablet you have given which makes him suffer from cardiac arrhythmia______________?

A. Erythromycin
B. Doxycycline
C. Penicillin
D. Streptomycin

182. Xerostomia is treated with_____________?

A. Neostigmine
B. Ephedrine
C. Scopalamine
D. Atropine

183. Action of tannic acid is_______________?

A. Blood coagulant
B. Astrigent
C. Styptic
D. All of the following

184. All of the following drugs cause dryness of mouth except_______________?

A. Atropine
B. Chlorpheniramine
C. Imipramine
D. Neostigmine

185. Adrenaline can be given in all of the following situations except_______________?

A. Asthma
B. Myocardial infarction
C. Shock
D. Anaphylaxis

186. Which of the following drug is given for treating hypertensive crisis_______________?

A. NIfedipine
B. Isosobide dinitrate
C. Verapamil
D. Digoxin

187. The choice of treatment in anaphylactic shock is_______________?

A. Corticosteroids
B. Adrenaline
C. Glucose 1.V
D. Saline 1.V

188. The antiseptic recommended for application in oral mucosa is_____________?

A. Hydrogen peroxide
B. Mebromine
C. Iodine
D. None of the above

189. When given together, the ability of two drugs to produce a response greater than either administered alone is termed as_____________?

A. Cumulation
B. Induction
C. Synergism
D. Antagonism

190. The drug which has an affinity for a receptor site and produces the intrinsic activity of the receptor cell or enzyme system is known as____________?

A. An agonist
B. A non competitive antagonist
C. A physiologic antagonist
D. A competitive antagonist