Vaccines are effective because they
A. stimulate the development of immunologic memory.
B. inhibit antibodies from having secondary responses.
C. immediately stimulate cellular immunity to eliminate all of the pathogen in the body.
D. increase the number of natural killer cells while decreasing the numbers of T and B cells.
Answer: A
You might also like to view...
Which of the following would decrease diffusion of a gas across the alveolar/pulmonary capillary membrane?
a. an increase in thickness of the membrane b. an increase in surface area of the membrane c. an increase in the partial pressure gradient d. two of these answers. e. all of these answers.
What type of neuroglial cells provide support and nutrition to sensory ganglia in the PNS?
A. Microglia B. Ependymal cells C. Schwann cells D. Satellite cells
Hemostatic forceps are used to ________________________________________ blood vessels
Fill in the blank(s) with correct word
Imagine that a seven-year-old girl develops a hormone-secreting ovarian tumor derived from granulosa cells. What signs of the disease would you expect?
What will be an ideal response?