The addition of ___ to steel will increase its resistance to abrasion

In which of the following patients should you check for the possibility of spinal injury?

A) An unresponsive diabetic who appears to have fallen down B) An unresponsive patient found in her bed with no obvious injury C) A responsive patient with no history of injury who is complaining of a headache and neck pain D) All of the above

All of the following are expected findings of AIDS except:

a. Lymphocytopenia. b. Leukocytopenia. c. Anemia. d. Thrombocytosis.