Understanding Drug Mechanisms
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Questions and Answers

Which type of opioid is the most potent?

  • Morphine
  • Hydromorphone
  • Fentanyl (correct)
  • Oxycodone
  • Which of the following is NOT a type of opioid?

  • Heroin
  • Codeine
  • Methamphetamine (correct)
  • Hydrocodone
  • Which neurotransmitter is involved in the coordinated contraction and relaxation of skeletal muscle?

  • Dopamine
  • Norepinephrine
  • Acetylcholine (correct)
  • Epinephrine
  • Which neurotransmitter has a role in learning and memory in the CNS?

    <p>Acetylcholine (D)</p> Signup and view all the answers

    Which neurotransmitter is blocked by Curare?

    <p>Acetylcholine (D)</p> Signup and view all the answers

    Which neurotransmitter is synthesized from L-DOPA?

    <p>Dopamine (C)</p> Signup and view all the answers

    Which route of administration involves snorting a substance into the nasal cavities?

    <p>Intranasal Administration (D)</p> Signup and view all the answers

    What is the purpose of Intracerebral Administration?

    <p>To administer a substance into a specific area of the brain (D)</p> Signup and view all the answers

    What is the relationship between tolerance and the Dose-Response curve for euphoria?

    <p>Tolerance shifts the Dose-Response curve to the right fast (D)</p> Signup and view all the answers

    What is the therapeutic index (TI) related to?

    <p>The margin of safety concept (D)</p> Signup and view all the answers

    Which stage of addiction is characterized by reward-seeking behavior?

    <p>Early Stage (A)</p> Signup and view all the answers

    What is the mechanism of action of an antagonist drug?

    <p>Decreases effects of a neurotransmitter on the postsynaptic cell (B)</p> Signup and view all the answers

    What is the effect of repeated administration of a drug on its effectiveness?

    <p>It increases the effectiveness of the drug (B)</p> Signup and view all the answers

    Which neurotransmitter is primarily responsible for pleasure-seeking behavior?

    <p>Dopamine (B)</p> Signup and view all the answers

    Which dopaminergic system is targeted by ADHD medications?

    <p>Mesocortical (B)</p> Signup and view all the answers

    Which dopaminergic system is associated with cognitive problems and psychosis?

    <p>Mesocortical (C)</p> Signup and view all the answers

    Which type of drug blocks the effects of norepinephrine and epinephrine in the body?

    <p>Beta Blockers (B)</p> Signup and view all the answers

    Which route of administration is the fastest in terms of drug absorption and peak blood concentration?

    <p>Intravenous (IV) Injection (D)</p> Signup and view all the answers

    Which route of administration is commonly used for insulin delivery?

    <p>Subcutaneous (SC) Injection (A)</p> Signup and view all the answers

    Which route of administration bypasses the stomach and increases the potency and amount of a drug?

    <p>Intra-rectal Administration (C)</p> Signup and view all the answers

    Which route of administration is commonly used for delivering drugs to the lungs?

    <p>Inhalation (C)</p> Signup and view all the answers

    Which mechanism of action describes a drug that stimulates the release of neurotransmitters?

    <p>Mechanism No. 4 (D)</p> Signup and view all the answers

    Which mechanism of action describes a drug that blocks the autoreceptors?

    <p>Mechanism No. 9 (B)</p> Signup and view all the answers

    Which mechanism of action describes a drug that deactivates destructive enzymes?

    <p>Mechanism No. 11 (B)</p> Signup and view all the answers

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