Untitled Quiz
48 Questions
3 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the use of rifaximin 200 mg TDS for 3 days?

  • To eradicate all types of bacteria
  • To reduce the duration of travellers' diarrhoea (correct)
  • To prevent infections during surgery
  • To treat chronic hepatitis
  • Which of the following pathogens is associated with severe diarrhoea that requires empirical treatment?

  • Streptococcus pneumoniae
  • Escherichia coli (correct)
  • Helicobacter pylori
  • Clostridium difficile
  • What is the effect of low doses of aspirin on TXA2 formation by platelets?

  • It enhances TXA2 formation.
  • It inhibits PGI2 formation.
  • It selectively suppresses TXA2 formation. (correct)
  • It has no effect on TXA2 formation.
  • What is the purpose of cough as a reflex action?

    <p>To expel respiratory secretions</p> Signup and view all the answers

    What is a common cause of acute cough lasting less than 3 weeks?

    <p>Respiratory viral infections</p> Signup and view all the answers

    Which substance primarily activates platelets to change shape and release mediator-rich granules?

    <p>TXA2</p> Signup and view all the answers

    Which antibiotic is preferred for treating multidrug-resistant cholera strains?

    <p>Ciprofloxacin</p> Signup and view all the answers

    What type of drugs are classified based on their action on platelet function?

    <p>Antiplatelet drugs</p> Signup and view all the answers

    In which condition is rifaximin 400 mg BD reported to provide subjective relief?

    <p>Irritable Bowel Syndrome (IBS)</p> Signup and view all the answers

    Which enzyme is irreversibly inactivated by aspirin?

    <p>TX-synthase</p> Signup and view all the answers

    Which of the following is NOT a known antimicrobial treatment for symptomatic relief in invasive diarrhoea?

    <p>Azithromycin</p> Signup and view all the answers

    What is the function of dipyridamole?

    <p>It serves as a vasodilator.</p> Signup and view all the answers

    How do other NSAIDs compare to aspirin in terms of platelet function?

    <p>They are reversible inhibitors of COX.</p> Signup and view all the answers

    What is the main treatment recommendation for cholera?

    <p>Fluid replacement</p> Signup and view all the answers

    What effect do higher doses of aspirin (> 900 mg/day) have on TXA2 and PGI2 production?

    <p>They decrease both TXA2 and PGI2 production.</p> Signup and view all the answers

    What is the main purpose of TXA2 in the context of platelet function?

    <p>To promote platelet aggregation.</p> Signup and view all the answers

    Which medications are considered selective β2 agonists used in asthma?

    <p>Asthalin</p> Signup and view all the answers

    What is the recommended oral dose of β2 agonist therapy?

    <p>2–4 mg</p> Signup and view all the answers

    What is a main target of action for cytotoxic drugs in cancer treatment?

    <p>Nucleic acids</p> Signup and view all the answers

    Why are bone marrow and epithelial linings particularly affected by cytotoxic drugs?

    <p>They undergo rapid cell division.</p> Signup and view all the answers

    What is a common consequence of drug-induced bone marrow depression?

    <p>Granulocytopenia</p> Signup and view all the answers

    What type of infections is of particular importance due to low pathogenicity in cancer patients?

    <p>Opportunistic infections</p> Signup and view all the answers

    Which viral infections are mentioned as significant due to chemotherapy effects?

    <p>Herpes zoster and cytomegalovirus</p> Signup and view all the answers

    What condition can arise from severe bone marrow depression?

    <p>Aplastic anemia</p> Signup and view all the answers

    What is a key characteristic of an open system in anesthetic delivery?

    <p>Anaesthetic and O2 concentrations can be accurately delivered.</p> Signup and view all the answers

    Which of the following is NOT a property of a closed system?

    <p>High flow rates.</p> Signup and view all the answers

    In which system is there a potential for imprecise control of inhaled anesthetic concentrations?

    <p>Semiclosed system</p> Signup and view all the answers

    Why is it important for an anesthetic system to avoid reactions with rubber tubing or soda lime?

    <p>To guarantee stability and safety.</p> Signup and view all the answers

    What is a common challenge associated with using a closed anesthesia system?

    <p>Imprecision in controlling inhaled anesthetic concentration.</p> Signup and view all the answers

    What condition is ideal for quickly adjusting the depth of anesthesia?

    <p>Wide margin of safety and potent agents.</p> Signup and view all the answers

    Why is it beneficial to have a wide margin of safety in anesthesia?

    <p>To prevent any potential drop in blood pressure.</p> Signup and view all the answers

    What type of anesthetic system should be used for expensive and explosive agents?

    <p>Closed system</p> Signup and view all the answers

    What is the primary effect of levodopa in patients with Parkinson's disease?

    <p>Marked symptomatic improvement</p> Signup and view all the answers

    Which dopamine receptor subtypes are classified as excitatory?

    <p>D1, D5</p> Signup and view all the answers

    What happens to dopamine levels in Parkinson's patients treated with levodopa until death?

    <p>Higher dopamine levels than untreated patients</p> Signup and view all the answers

    What is the role of D2-like receptors in the brain?

    <p>To inhibit adenylyl cyclase</p> Signup and view all the answers

    Which of the following symptoms resolves first in patients treated with levodopa?

    <p>Hypokinesia</p> Signup and view all the answers

    What type of receptors are the identified dopamine receptors classified as?

    <p>G protein coupled receptors</p> Signup and view all the answers

    In the treatment of Parkinson's, D1 and D2 receptors in the striatum regulate what?

    <p>Thalamic input to the motor cortex</p> Signup and view all the answers

    What is a common effect of levodopa treatment on secondary symptoms?

    <p>Gradual normalization of multiple symptoms</p> Signup and view all the answers

    What are antianxiety drugs primarily designed to control?

    <p>Symptoms of anxiety</p> Signup and view all the answers

    How do benzodiazepines compare to barbiturates in terms of dependence liability?

    <p>Lower dependence producing liability</p> Signup and view all the answers

    What is a key characteristic of benzodiazepines regarding their therapeutic effects?

    <p>They have no therapeutic effect on thought disorders</p> Signup and view all the answers

    What is one of the properties of benzodiazepines?

    <p>They have anticonvulsant properties</p> Signup and view all the answers

    Which of the following populations are more susceptible to the respiratory depressant effects of morphine?

    <p>Elderly and infants</p> Signup and view all the answers

    In patients with unstable personalities, what is a common risk related to drug use?

    <p>Addiction to the drug</p> Signup and view all the answers

    What is one of the effects of benzodiazepines in relation to overdosage?

    <p>They are relatively safe even in gross overdosage</p> Signup and view all the answers

    Which class of drugs is effective for treating severe generalized anxiety disorder (GAD)?

    <p>SSRIs and SNRIs</p> Signup and view all the answers

    Study Notes

    Pharma Drugs

    • Aulacoids are a type of plant-derived drug.
    • Chemotherapy is a treatment method using drugs.

    Cardio Vascular System

    • Anti-Arrhythmics are used to treat irregular heartbeats.
    • Anti-Anginals address chest pain caused by reduced blood flow to the heart.
    • Peripheral vascular disease affects blood vessels outside the heart.
    • Calcium channel blockers control muscle contractions in the heart.
    • Anti-hypertensives lower high blood pressure.

    Antiarrhythmic Drugs

    • Class I drugs stabilize cell membranes. (A) Moderately decrease dv/dt of 0 phase; (B) Little decrease in dv/dt of 0 phase; (C) Marked decrease in dv/dt of 0 phase
    • Class II drugs inhibit nerve signals.
    • Class IV drugs block calcium channels.
    • Class III drugs prolong action potential.

    Antianginal and Other Anti-Ischemic Drugs

    • Coronary artery disease (CAD) causes reduced blood supply to the heart.
    • Nitrates relax blood vessels, improving blood flow.
    • Beta blockers decrease heart rate and contractility.
    • Calcium channel blockers relax coronary arteries.
    • Other anti-anginal drugs include potassium channel openers, metabolic modulators, and others.

    Drugs for Peripheral Vascular Diseases

    • Peripheral vascular disease (PVD) can be occlusive or vasospastic.
    • Cyclandelate is a general smooth muscle relaxant.
    • Xanthinol nicotinate increases blood flow.
    • Pentoxiphylline is a phosphodiesterase inhibitor.
    • Antiplatelet drugs and vasodilators are used to treat PVDs.

    Cardiovascular Drugs

    • Voltage-sensitive calcium channels: L-type (long lasting current) and T-type (transient current).
    • Characteristics of each type of channel.
    • Calcium channel blockers: phenylalkylamine (verapamil), benzothiazepine (diltiazem), dihydropyridines (nifedipine, etc.).

    Antihypertensive Drugs

    • Diuretics. (examples)
    • Renin-angiotensin system inhibitors. (examples)
    • Beta blockers. (examples)
    • Sympathetic inhibitors. (examples)
    • ACE inhibitors. (examples)
    • Angiotensin (AT1) receptor blockers. (examples)
    • Direct renin inhibitor (examples)
    • Calcium channel blockers. (examples)
    • Vasodilators. (examples)

    Blood

    • Coagulants
    • Anticoagulants
    • Fibrinolytics/Thrombolytics
    • Anti-fibrinolytics (examples)
    • Anti-platelets

    Drugs Affecting Coagulation, Bleeding and Thrombosis

    • Review of haemostatic, anticoagulant, and coagulant medications.
    • Listing specific clotting factors.

    Anticoagulants

    • Classification of anticoagulants (in vitro, in vivo, indirect thrombin inhibitors, direct thrombin inhibitors, oral anticoagulants).
    • Heparin.
    • Low-molecular-weight heparins.
    • Direct thrombin inhibitors. (examples)
    • Coumarin derivatives (examples)
    • Direct factor Xa inhibitors (examples).

    Antiplatelet Drugs

    • Antiplatelet drugs inhibit platelet aggregation and prevent blood clot formation.
    • Aspirin inhibits thromboxane synthesis.
    • Phosphodiesterase inhibitors. (example)
    • Purinergic (P2Y12) receptor antagonists. (examples)
    • Glycoprotein II/IIIa receptor antagonists. (examples)

    Anti-Cancer Drugs

    • Cytotoxic drugs
    • Different classes of cytotoxic drugs. (examples)

    CNS

    • Anaesthetics and sedative hypnotics
    • Anti-epileptics
    • Anti-Parkinsonian drugs
    • Anti-psychotic
    • Anti-mania & bipolar disorder
    • Anti-depressants
    • Anti-anxiety
    • Opioid analgesics
    • CNS stimulants
    • Cognition enhancers

    GIT

    • Drugs for peptic ulcer
    • Anti-emetics
    • Laxatives
    • Anti-diarrhoeal

    Respiratory System

    • Cough suppressing drugs
    • Bronchial asthma medications

    Renal

    • Diuretics
    • Carbonic anhydrase inhibitors
    • Osmotic diuretics
    • Loop diuretics
    • Thiazides
    • K-sparing diuretics
    • Anti-diuretics

    Hypolipidemic Drugs

    • HMG-CoA reductase inhibitors (statins).
    • Lipoprotein lipase activators (fibrates).
    • Sterol absorption inhibitors.
    • Bile acid sequestrants.
    • Lipolysis and triglyceride synthesis inhibitors.

    Other

    • Anti-amoebic drugs
    • Anti-helminthic
    • Anti-fungal

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Related Documents

    Pharma Drugs PDF

    More Like This

    Untitled Quiz
    6 questions

    Untitled Quiz

    AdoredHealing avatar
    AdoredHealing
    Untitled Quiz
    37 questions

    Untitled Quiz

    WellReceivedSquirrel7948 avatar
    WellReceivedSquirrel7948
    Untitled Quiz
    18 questions

    Untitled Quiz

    RighteousIguana avatar
    RighteousIguana
    Untitled Quiz
    48 questions

    Untitled Quiz

    StraightforwardStatueOfLiberty avatar
    StraightforwardStatueOfLiberty
    Use Quizgecko on...
    Browser
    Browser