4) Which of the following statements about B-cells is incorrect?
A) B-cells differentiate into plasma cells when activated
B) B-cells require an antigen to be presented to them by other cells
C) B-cells have membrane bound antibodies called B-cell receptors
D) B-cells participate in humoral immunity

What are the options?

If these are the missing choices: a. to determine skin temperature, place the back of your hand against the patient's skin.b. determine body temperature by touching the patient's hands and feet.c. skin temperature will tell you very little about this patient's condition or well-being.d. the patient's skin temperature and color will likely be warm and red.my answer is: a. to determine skin temperature, place the back of your hand against the patient's skin. using the back of the hand to check for temperature rather than the palm is more effective because the back of the hand has more nerves that can feel and transmit the temperature than the palm.