A. 45-55%
B. 55-65%
C. 65-85%
D. More than 85%
Related Mcqs:
- Absorption of mercury in the human body occurs least from_____________?
A. Lungs
B. Gastro-intestinal Track
C. Skin
D. Kidneys - The largest fraction of the total body fluid is_______________?
A. Extracellular fluid
B. Intracellular fluid
C. Plasma
D. Whole blood - The teeth that are retained for the longest period of time are__________________?
A. Maxillary incisors
B. Maxillary canines
C. Mandibular incisors
D. Mandibular canines
E. B & D - Increase in the residual mercury in silver amalgam filling can_____________?
A. Cause fracture of the filling
B. Tarnish and corrosion
C. Increase the strength
D. Decrease condensation pressure - Chronic mercury toxicity results from_____________?
A. Ingestion while removing old amalgam
B. Skin contact
C. Mercury vapour
D. All of the above - Which phase provides maximum strength in hardened mercury/silver alloy ?
A. Silver / Mercury phase
B. Silver / Tin phase
C. Tin / Mercury phase
D. Zinc / Mercury phase - Mercury rich condition in a slow setting amalgam alloy system in a resoration in______________?
A. Accelerated corrosion
B. Fracture of the restoration
C. Merginal damage
D. All of the above - Advantage of minimum mercury technique or Eames technique is all Except________________?
A. High strength
B. Sets quickly
C. Needs no squeezing of excess mercury
D. Greater plasticity and adapts well to cavity walls - Adequate mixing of mercury is indicated by_______________?
A. Dry Mix
B. Shiny Mix
C. Short Mixing Time
D. None of the above - Mercury is toxic because it_____________?
A. Complexes with hemoglobinto form methemoglobin
B. Inhibits hemoglobin synthesis, producing anemia
C. Inhibits anaerobic glycolysis
D. Binds to sulfhydryl groups
