MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Drug Biotechnology knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Cocaine, when used for local anesthetics, has a half-life of 30 minutes. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Which of the following is topical with high concentration? |
| A. | Lignocaine |
| B. | Cocaine |
| C. | Procaine |
| D. | Benzocaine |
| Answer» E. | |
| 3. |
Which of the following is amide type drug? |
| A. | Lignocaine |
| B. | Cocaine |
| C. | Procaine |
| D. | Benzocaine |
| Answer» B. Cocaine | |
| 4. |
Which of the following is being used in dentistry when patients have an allergy from procaine? |
| A. | Cocaine |
| B. | Benzocaine |
| C. | Benzyl alcohol |
| D. | Procaine |
| Answer» E. | |
| 5. |
Which is the first local anesthetic? |
| A. | Cocaine |
| B. | Benzocaine |
| C. | Benzyl alcohol |
| D. | Clove oil |
| Answer» B. Benzocaine | |
| 6. |
Which of the following factor do not affect the absorption of local anesthetics? |
| A. | Vasodilating ability of drug |
| B. | Volume and concentration |
| C. | Vascularity of the tissue |
| D. | Presence of vasodilator |
| Answer» E. | |
| 7. |
What does the specific receptor theory state? |
| A. | Local anesthetics bind to various receptors |
| B. | Produces chemical changes to the receptors |
| C. | Tries to open all the closed sodium gates |
| D. | Binding produces conformational changes |
| Answer» E. | |
| 8. |
What does membrane expansion theory states? |
| A. | The mechanism is not similar to the general anesthetics |
| B. | Does not rely upon the lipophilic moiety of drugs |
| C. | The molecules of the agent get incorporated into the lipid membrane |
| D. | Causes nerve polarization |
| Answer» D. Causes nerve polarization | |
| 9. |
Which of the following is the pharmacological action of local anesthetics? |
| A. | Reversible block of conduction in nerve |
| B. | Class II antidysrhythmic like action |
| C. | Contraction of smooth muscle |
| D. | Excitation of neuro-muscular transmission in skeletal muscle |
| Answer» B. Class II antidysrhythmic like action | |
| 10. |
Apart from natural, synthetic, synthetic non-nitrogenous, which of the following is also a local anesthetic? |
| A. | Cocaine |
| B. | Benzocaine |
| C. | Benzyl alcohol |
| D. | Clove oil |
| Answer» E. | |
| 11. |
Which of the following is synthetic non-nitrogenous anesthetic? |
| A. | Cocaine |
| B. | Benzocaine |
| C. | Benzyl alcohol |
| D. | Clove oil |
| Answer» D. Clove oil | |
| 12. |
Which of the following is synthetic nitrogenous local anesthetic? |
| A. | Cocaine |
| B. | Benzocaine |
| C. | Benzyl alcohol |
| D. | Clove oil |
| Answer» C. Benzyl alcohol | |
| 13. |
Which of the following are natural local anesthetics? |
| A. | Cocaine |
| B. | Benzocaine |
| C. | Benzyl alcohol |
| D. | Clove oil |
| Answer» B. Benzocaine | |
| 14. |
Which of the following is the parenteral application of local anesthetics? |
| A. | When applied to the mucous membrane |
| B. | When applied to the skin |
| C. | When injected to CNS through spinal injection techniques |
| D. | Using ophthalmic drops |
| Answer» D. Using ophthalmic drops | |
| 15. |
What is the function of local anesthetics? |
| A. | Suppress the activity of the brain |
| B. | Render a specific portion insensitive to pain |
| C. | Suppress the function of a whole organ |
| D. | Make the patient s full body insensitive to pain |
| Answer» C. Suppress the function of a whole organ | |