Lidocaine produces its antiarrhythmic effects by_____________?

Related Mcqs:

1. Aspirin produces all of the following effects except_____________?

   A. Frank gastric bleeding
   B. Prolonged prothrombin time
   C. Platelet dysfunction
   D. Constipation

2. Ability of an orthodontic wire to spring back to its original shape is evaluated by_____________?

   A. Brittleness
   B. Resilience
   C. Tensile strength
   D. Toughness

3. Nitrous oxide is carried in the blood stream by_____________?

   A. Haemoglobin
   B. White blood cells
   C. Red Blood cells
   D. Serum

4. Which produces dissociative anaesthesia_____________?

   A. Propanidid
   B. Theiopentone sodium
   C. Fentany droperodol
   D. Ketamine

5. Which of the following anesthetic drugs produces powerful stimulation of the cerebral cortex_____________?

   A. Cocaine
   B. Procaine
   C. Lidocaine
   D. Tetracaine

6. The drug combination which produces Neuroleptanalgesia is______________?

   A. Daroperidol + Fentanyl
   B. Deroperidol + Ketamine
   C. Droperiodl + Ether
   D. Droperiodl + Thiopental sodium + Nitrous oxide

7. A patient, without prior medication, breathes a gas mixture consisting of 50 percent nitrous oxide and 50 percent oxygen by volume. Which of the following effects would be expected_____________?

   A. Analgesia
   B. Excitation
   C. Surgical anesthesia
   D. Respiratory arrest

8. Dermatologic manifestation of drug allergy are managed by_____________?

   A. Lorazepam
   B. Pirenzepine
   C. Ranitidine
   D. Chlorpheniramine

9. The drug which has an affinity for a receptor site and produces the intrinsic activity of the receptor cell or enzyme system is known as____________?

   A. An agonist
   B. A non competitive antagonist
   C. A physiologic antagonist
   D. A competitive antagonist

10. The metabolic effects of sympathomimetics are mediated by__________________?

    A. All beta-adrenergic receptors
    B. Dopaminergic receptors
    C. Beta 2 receptors
    D. Opioid receptors