The Correct Answer is B
The New York Heart Association recommends that for any one session no more than 0.2 mg (11.1 carpules @ 1:100,000) epinephrine and 0.5 mg levonordefrin be given to a healthy adult. Patients with organic heart disease should not receive more than 0.04 mg (2.2 carpules @ 1:100,00) epinephrine and 0.2 mg levonordefrin.
Ref. Clinical Pharmacology in Dental Practice. Holroyd, Wynn and Requa-Clark. Mosby, 1988.
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