Mechanism of Action of Local Anesthetic MCQ

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• Cocaine, when used for local anesthetics, has a half-life of 30 minutes.
  ক

  True

  খ

  False
• Which of the following is topical with high concentration?
  ক

  Lignocaine

  খ

  Cocaine

  গ

  Procaine

  ঘ

  Benzocaine
• Which of the following is amide type drug?
  ক

  Lignocaine

  খ

  Cocaine

  গ

  Procaine

  ঘ

  Benzocaine
• Which of the following is being used in dentistry when patients have an allergy from procaine?
  ক

  Cocaine

  খ

  Benzocaine

  গ

  Benzyl alcohol

  ঘ

  Procaine
• Which is the first local anesthetic?
  ক

  Cocaine

  খ

  Benzocaine

  গ

  Benzyl alcohol

  ঘ

  Clove oil
• Which of the following factor do not affect the absorption of local anesthetics?
  ক

  Vasodilating ability of drug

  খ

  Volume and concentration

  গ

  Vascularity of the tissue

  ঘ

  Presence of vasodilator
• What does the specific receptor theory state?
  ক

  Local anesthetics bind to various receptors

  খ

  Produces chemical changes to the receptors

  গ

  Tries to open all the closed sodium gates

  ঘ

  Binding produces conformational changes
• What does membrane expansion theory states?
  ক

  The mechanism is not similar to the general anesthetics

  খ

  Does not rely upon the lipophilic moiety of drugs

  গ

  The molecules of the agent get incorporated into the lipid membrane

  ঘ

  Causes nerve polarization
• Which of the following is the pharmacological action of local anesthetics?
  ক

  Reversible block of conduction in nerve

  খ

  Class II antidysrhythmic like action

  গ

  Contraction of smooth muscle

  ঘ

  Excitation of neuro-muscular transmission in skeletal muscle
• Apart from natural, synthetic, synthetic non-nitrogenous, which of the following is also a local anesthetic?
  ক

  Cocaine

  খ

  Benzocaine

  গ

  Benzyl alcohol

  ঘ

  Clove oil
• Which of the following is synthetic non-nitrogenous anesthetic?
  ক

  Cocaine

  খ

  Benzocaine

  গ

  Benzyl alcohol

  ঘ

  Clove oil
• Which of the following is synthetic nitrogenous local anesthetic?
  ক

  Cocaine

  খ

  Benzocaine

  গ

  Benzyl alcohol

  ঘ

  Clove oil
• Which of the following are natural local anesthetics?
  ক

  Cocaine

  খ

  Benzocaine

  গ

  Benzyl alcohol

  ঘ

  Clove oil
• Which of the following is the parenteral application of local anesthetics?
  ক

  When applied to the mucous membrane

  খ

  When applied to the skin

  গ

  When injected to CNS through spinal injection techniques

  ঘ

  Using ophthalmic drops
• What is the function of local anesthetics?
  ক

  Suppress the activity of the brain

  খ

  Render a specific portion insensitive to pain

  গ

  Suppress the function of a whole organ

  ঘ

  Make the patient’s full body insensitive to pain