Which T cells contain CD8 markers? CD4 markers?
A) CD8 markers are found on cytotoxic T cells, memory T cells, and regulatory T cells; CD4 markers are found on all helper T cells.
B) CD8 markers are found on all helper T cells; CD4 markers are found on cytotoxic T cells, memory T cells, and regulatory T cells.
C) CD8 markers are found on cytotoxic T cells and memory T cells; CD4 markers are found on regulatory T cells and helper T cells.
D) CD8 markers are found on regulatory T cells and helper T cells; CD4 markers are found on cytotoxic T cells and memory cells.
E) CD8 markers are found on regulatory T cells; CD4 markers are found on cytotoxic T cells, helper T cells, and memory T cells.
Answer: A
You might also like to view...
A patient takes medications after a liver transplant so his or her body will not reject the organ because of:
a. Acquired immunity b. Cell-mediated immunity c. Humoral immunity d. Natural immunity
Which of the following structures allow the exchange of gases between the inhaled air and the blood?
A. The pulmonary alveoli and the bronchioles only B. The pulmonary alveoli and the alveolar ducts only C. The pulmonary alveoli, the bronchioles, and the alveolar ducts D. The pulmonary alveoli only
This type of examination allows one to study the interior of the eyeball
A) observation of the eyeball through a hand-held magnifying lens B) visual observation C) an ophthalmoscopic examination D) an examination using a rheostat
What is another name for the left atrioventricular valve?
A. Atrial valve B. Bicuspid valve C. Tricuspid valve D. Semilunar valve