187 concise topic breakdowns: definitions, key facts, and class questions.
The "Drugs and Prescriptions" section is your primary working tool for studying clinical pharmacology and mastering prescription writing. It compiles essential medications critical for exam success and future clinical practice.
The material covers drugs affecting the autonomic nervous system (atropine, epinephrine, neostigmine), centrally acting agents (diazepam, morphine, levodopa), as well as regulators of the gastrointestinal tract (omeprazole, pancreatin) and respiratory system (aminophylline, beclometasone). We have broken down the pharmacodynamics and prescription rules concisely and comprehensively for each of these groups.
Remember: practical classes and exams place the strictest emphasis on mechanisms of action, direct indications, and the correct formatting of prescription blanks for narcotic analgesics (morphine, tramadol), muscle relaxants (suxamethonium), and psychotropic substances. Study dosages and release forms carefully—this is the foundation of your clinical competence and patient safety.
Why is atropine ineffective in eliminating the increase in skeletal muscle tone induced by neostigmine?
Atropine is an exclusively M-cholinergic receptor blocker, whereas skeletal muscle tone is regulated via N-cholinergic receptors, which the drug does not affect.
To which pharmacological group does aceclidine belong?
Aceclidine is a direct-acting M-cholinomimetic. It selectively stimulates muscarinic cholinergic receptors, unlike N-cholinomimetics (nicotine, cytisine) and mixed-action M,N-cholinomimetics (acetylcholine, carbachol).
What is the role of camphor in "Aeron" tablets?
Camphor exerts a tonic effect on the respiratory center, compensating for the respiratory depression caused by scopolamine.
To which pharmacological group does hexoprenaline belong?
Hexoprenaline belongs to selective beta-2-adrenomimetics (agents regulating the functions of the peripheral nervous system).
Why is pirenzepine safer than atropine in the treatment of peptic ulcer disease?
Pirenzepine selectively blocks M1 receptors without affecting M2 and M3 receptors. This avoids the systemic side effects of atropine: tachycardia, mydriasis, and cycloplegia.
Why is ipratropium bromide considered safer than atropine for inhalation?
Ipratropium is a hydrophilic quaternary ammonium compound. It is poorly absorbed from mucous membranes and the gastrointestinal tract, thus acting locally without causing the systemic side effects typical of atropine.
Master the entire topic in the «Pharmacology» course
This is a summary. The course covers everything tested in classes and exams.
5,304 pages of study guides on all topics
Assignments and quizzes after every topic — just like in a colloquium