Down syndrome is caused by all except___________?

Related Mcqs:

1. Staphylococcal toxic shock syndrome (SSS syndrome) is due to______________?

   A. Enterotoxin A B. Enterotoxin B C. Enterotoxin D D. Enterotoxin F...

2. Out of syphilitic glossitis, plummer vinson syndrome Mikulicz’s syndrome and hepatitis A; which of these predispose to squamous cell arcinoma ______________?

   A. Syphilitic glossitis and plummer vinson syndrome B. Syphilitic glossitis and Mikulicz’s syndrome C. Plummer vinson disease and hepatitis A D. Hepatitis A and Mikulicz’s Syndrome...

3. A patient with amenorrhea, short stature, less public hair can be in all of the following except___________?

   A. 47 XXY B. 46 XY C. 45 X D. 46 XXY...

4. The characteristic cells of chronic inflammation are all except___________?

   A. Plasma cells B. Macrophages C. Lymphocytes D. PMN’s...

5. Brittle bone syndrome is caused by______________?

   A. Improper synthesis of procollagen B. Polymerisation of collagen C. Increase osteoclastic activity D. Increase fibroblastic activity...

6. Following are local hormones except___________?

   A. Insulin B. Heparin C. Bradykinin D. Acetylcholine...

7. In vitamin A deficiency, patient complains of all of the following except___________?

   A. Night blindness B. Xerophthalmia C. Keratosis D. Phophoric calciuria...

8. All are genetic amino acid deficiency disease except___________?

   A. Phenyl ketonuria B. Alkaptonuria C. Homocystinuria D. 6alactosemia...

9. All the following increases drug metabolism by activating cytochrome enzyme, EXCEPT___________?

   A. Tetracycline B. Cimetidine C. Rifampicin D. Phenobarbitone...

10. Hypodontia is mainly found in all except___________?

    A. Papillion levefre syndrome B. Osteopetrosis C. Cleidocranialdysostosis D. Ectodermal dysplasia...