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184818 Social & Preventive Medicine

Which of the following statement is TRUE about NPU (net protein utilization), used in protein quality assessment?

AIt is the ratio of energy from protein to total energy in diet
BIt is the ratio between nitrogen retained by the body and total nitrogen intake multiplied by 100
CIt is the amount of one amino acid per gram of a protein divided by the amount of same amino acid per gram of egg protein
DIf the NPU is high the amount of protein requirement in diet is high
Social & Preventive Medicine
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184823 Dental

What is torsional limit?

AAmount of apical pressure that can be applied to a file to the point of breakage
BThe beginning of plastic deformation of the instrument
CAmount of rotational torque that can be applied to a “locked” instrument to the point of breakage
DAmount of force necessary so that a file does not return to its original shape upon unloading of the force
Dental
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