MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 9 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. |
Which of the following is the first antihistamine? |
| A. | Piperoxan |
| B. | Ethylenediamine |
| C. | Alkylamines |
| D. | Tricyclics |
| Answer» B. Ethylenediamine | |
| 2. |
What causes the side effects of H1 receptor antihistamines? |
| A. | Lack of selectivity of the H1 receptor |
| B. | Lack of selectivity anti-cholinergic activity |
| C. | Due to CNS depression |
| D. | Lack of selectivity of H1 receptor, anticholinergic effect, and CNS depression |
| Answer» E. | |
| 3. |
Which of the following histamine receptor increases the release of gastric acid? |
| A. | H1 receptor |
| B. | H2 receptor |
| C. | H3 receptor |
| D. | H4 receptor |
| Answer» C. H3 receptor | |
| 4. |
Which of the following histamine receptor increase permeability during inflammation reaction? |
| A. | H1 receptor |
| B. | H2 receptor |
| C. | H3 receptor |
| D. | H4 receptor |
| Answer» B. H2 receptor | |
| 5. |
Which of the following enzyme is essential for the conversion of histidine to histamine? |
| A. | Histidine amylase |
| B. | Histidine hydrolase |
| C. | Histidine decarboxylase |
| D. | Histidine phosphorylase |
| Answer» D. Histidine phosphorylase | |
| 6. |
If one of the parents has allergy how much percentage probability is there that the child will also get allergy? |
| A. | 20% |
| B. | 48% |
| C. | 70% |
| D. | 100% |
| Answer» C. 70% | |
| 7. |
If both the parent has allergy how much percentage chance is there that the child will also get an allergy? |
| A. | 20% |
| B. | 48% |
| C. | 70% |
| D. | 100% |
| Answer» D. 100% | |
| 8. |
Which class of antibody is associated with an allergic reaction? |
| A. | IgE |
| B. | IgA |
| C. | IgM |
| D. | IgG |
| Answer» B. IgA | |
| 9. |
Antihistamine drugs are antagonists for which receptor? |
| A. | H1 receptor antagonist |
| B. | H2 receptor antagonist |
| C. | H3 receptor antagonist |
| D. | H4 receptor antagonist |
| Answer» B. H2 receptor antagonist | |