Which of the following are true concerning casting metals?
1. Patients cannot develop a nickel allergy from Jelenko’s “Genesis II”.
2. Nickel allergies are more common in males.
3. Rexalloy, and Rexillium II, are examples of nickel free alloy.
4. Nickel is a noble metal.
all the above are true
none are true
1,2,3 are true
3,4,5 are true
1 only

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