____ is a long-acting form of injectable penicillin

When the body first encounters a foreign antigen, a primary immune response is stimulated. One of the residual effects of the primary response is the retention of which memory cells?

a. B b. D c. X d. Y

State the signs and symptoms of a CVA.

A 45-year-old male presents with a positive medical history. He documents on the health history that he is being treated by a physician for hypertension. At the current time, his blood pressure is within normal range for his age and gender. While in the office, he loses consciousness, then regains consciousness but is unable to speak. The dentist determines that the patient is experiencing a CVA. What will be an ideal response?