Which of the following histamine blockers has no effect on muscarinic receptors______________?

Related Mcqs:

1. Therapeutic uses of a – adrenoceptor blockers include all of the following EXCEPT______________?

   A. Hypertension B. Amxiety C. Peripheral Vascular disease D. Benign Prostatic hypertrophy...

2. Blockers are used in all except_____________?

   A. Phenochyromocytoma B. Migraine C. Thyrotoxcosis D. Secondary shock...

3. Beta blockers are contraindicated in___________?

   A. Angina pectoris B. Cardiac arrhythmia C. Cardiac failure D. Myocardial infarction...

4. Which of the following is not true for histamine ?

   A. Causes arteriolar dialation B. causes bronchodialtion C. Causes pain when injected subcutaneously D. Is released following injury and in certain allergic responses...

5. Histamine is present on surface of_______________?

   A. Lymphocytes B. Mast cells C. Neutrophils D. Erythrocytes...

6. Histamine stimulate the secretion of_______________?

   A. Gastrin by stomach B. Pancreatic enzymes C. HCL by stomach D. Amylase by salivary gland...

7. Histidine is converted to histamine by_____________?

   A. Transamination B. Hydroxylation C. Decarboxylation D. Reduction...

8. The immediate type of hypersensitivity in which histamine doses not play a major role is______________?

   A. Urticaria B. Asthma C. Anaphylaxis D. Arthus reaction...

9. Which of the following is NOT a systemic effect of corticosteroid ?

   A. Increase in IL-1 B. Increase in total amount of circulatory neutrophils C. Anti-inflammatory effect is increased D. Inhibit phospholipase A2...

10. Which of the following anti-epileptic agents causes the reversible side-effect of gingival hyperplasia ?

    A. Ethosuximide B. Phenobarbitone C. Sodium valporate D. None of the above...