Some immune cells that help battle infection are:
a. helper T cells.
b. killer T cells.
c. memory cells.
d. all of these choices
Question 2
Which statement concerning children and immunizations is incorrect?
a. Children in many families do not receive immunizations because their family cannot afford them, but the family does not qualify for public assistance.
b. Many poor parents' sole use of health care is emergency care.
c. Many parents are completely unaware of the need for immunizations.
d. Children under five in the U.S. are immunized at a higher rate than children in India.
Micrographs of nerve cells taken with different types of light microscopes.
The five stages of viral infection.
A Simplified Model of Information Flow in Human Memory
Landsteiner's experiment demonstrating the exquisite specificity of the immune system.
Cutaneous granulomatous lesions on the face of a man suffering from a dermatophytic infection.
An example of a cell-mediated immune response targeting virus-infected cells.