A bone marrow aspirate is hypercellular and has an M:E ratio of 1:4. What can be concluded from this? There is:

Complementary alternative practices include acupuncture, naturopathy, massage, biofeedback, hypnosis, and dietary supplements

Indicate whether the statement is true or false

Which of the following viral structures is used to diagnose infection with hepatitis B?

A) DNA B) Surface antigen C) Both A and B D) Neither A nor B