Medical MCQs

A. Pure gold
B. Amalgam
C. Prcelain
D. Composite

A. Toughness
B. Brittleness
C. Young’s modulus
D. Proportional limit

A. 50 – 60 khn
B. 25 – 35 khn
C. 15 – 20 khn
D. 40 – 48 khn

A. Removal of smear layer
B. Exposure of collagen fibers
C. Opening of dentinal tubules
D. Increases surface energy

A. Graphite
B. Carbon
C. Acrylic
D. Porcelain

A. Using asbestos linear
B. Placing the sprue at least one quarter inch away form the end of casting ring
C. Preventing rapid heating the investment in burnout oven
D. Using a short and wide sprue

A. Casts
B. Models
C. Investment
D. Dies

A. An applied load or force
B. A deformation resulting from an applied load
C. An external force opposing an applied load
D. An internal force opposing an applied load

A. The maximum stress in a structure
B. The minimum force required to cause a structure to break
C. The maximum stress that can be induced without permanent deformation
D. The maximum elongation under tension that can be measured before failure

A. Area of the test specimen upon which the weight rests
B. Elasticity of the test specimen in strain
C. Length of the test specimen beneath the force
D. Strain of the test specimen per unit length