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.
**131. Which one of the following agents/drugs is of no value in the postoperative care of the hemophiliac patient?**
A. Tranexamic acid
B. Clopidogrel
C. Aminocaproic Acid
D. Factor VIII cryoprecipitate
**Answer: B. Clopidogrel**
**132. Which one of the following does NOT act by increasing insulin secretion?**
A. Glyburide
B. Repaglinide
C. Tolbutamide
D. Metformin
**Answer: D. Metformin**
**133. Curare poisoning is characterized by________________?**
A. Hypertension
B. Hypotension
C. Doesn’t release histamine
D. Oral route of administration is the best route
**Answer: B. Hypotension**
**134. Which of the following drugs is used to treat both diabetes mellitus and diabetes insipidus?**
A. Chlorpropamide
B. Glibenclamide
C. Gliclazide
D. Glipizide
**Answer: A. Chlorpropamide**
**135. Which of the following synthetic steroids shows predominantly mineralocorticoid action?**
A. Hydrocortisone
B. Spironolactone
C. Dexamethasone
D. Fludrocortisone
**Answer: D. Fludrocortisone**
**136. All of the following are endogenous corticosteroids released by all adrenal cortex EXCEPT______________?**
A. Cortisol
B. Cortisone
C. Dexamethasone
D. Aldosterone
**Answer: C. Dexamethasone**
**137. Therapeutic uses of alpha-adrenoceptor blockers include all of the following EXCEPT______________?**
A. Hypertension
B. Anxiety
C. Peripheral Vascular disease
D. Benign Prostatic hypertrophy
**Answer: B. Anxiety**
**138. Which one of the following drugs is not a non-depolarizing competitive neuromuscular blocker?**
A. Doxacurium
B. Decamethonium
C. Rocuronium
D. Mivacurium
**Answer: B. Decamethonium**
**139. Dry mouth during antidepressant therapy is caused by blockade of______________?**
A. Muscarinic acetylcholine receptors
B. Serotonergic receptors
C. Dopaminergic receptors
D. GABA receptors
**Answer: A. Muscarinic acetylcholine receptors**
**140. A person with glaucoma should not receive________________?**
A. Sedatives
B. Vasoconstrictors
C. Antisialogogues
D. Local anesthetic
**Answer: B. Vasoconstrictors**