Drugs like barbiturates precipitate symptoms of prophyria because______________?

Related Mcqs:

1. Which one of the following drugs has been shown to offer protection from gastric aspiration syndrome in a patient with symptoms of reflex ?

   A. Ondansetron
   B. Metoclopramide
   C. Sodium citrate
   D. Atropine

2. Which of the following drugs when used for prolonged period in the maintenance treatment of tonic-clonic seizures can lead to increased metabolism of warfarin like drugs?

   A. Phenobarbital.
   B. Meprobamate
   C. Chlordiazepoxide
   D. Triazolam
   E. Zolpidum

   Submitted by: Dr.Tassawer-e-Meran

3. Tetracycline is more preferred in periodontics because______________?

   A. It is broad spectrum antibiotic
   B. It has anticollagenolytic effect
   C. All of the above
   D. None of the above

4. A patient on digoxin should not be given quindine because______________?

   A. Displaces digoxine from its tissue binding sites
   B. Displaces digoxin from its protein binding sites
   C. Decrease the renal clearance of digoxin
   D. Decreases the plasma potassium level

5. ovidone iodine is the choice of mouthrinse in cases associated AIDS because______________?

   A. It is a topical antimicrobial
   B. It is a topical anesthestic
   C. Its ability to aid in blood coagulation
   D. All of the above

6. DOPA and 5 – Hydroxytryptophan are clinically important because______________?

   A. They cross Blood Brain Barriers
   B. They are acidic precursors of Brain amines
   C. They act as neuromodulators
   D. They are metabolites of various neurogentic amines .

7. The enamel has no capacity of self repair because______________?

   A. It has only a small percent of organic content
   B. Its formative cells are lost once it is completely formed
   C. It is essentially a keratin tissue and has no blood vessels
   D. It has no direct connection with the active cells of the dental pulp

8. The β (Beta) hemihydrate of gypsum requires more water to float its powder particles because______________?

   A. They are more regular in shape and dense
   B. They are more regular in shape and highly porous
   C. They are more irregular in shape and porous
   D. They are more dense and prismatic in shape

9. Glutaraldehyde is preferred more than formaldehyde because______________?

   A. It has got more bactericidal activity
   B. It has got more bacteriostatic activity
   C. It has got no deleterious effect on the cement and lenses of instruments
   D. Its application is easier

10. The anti-inflammatory analgesic drug the causes least gastrointestinal symptoms is______________?

    A. Aspirin
    B. Phenyl butazone
    C. Paracetamol
    D. Indomethacin