Which of the following statements best describes the pathogenesis of HIV infection?
a. HIV virus selectively infects T helper cells, incorporates its own DNA into the T helper's DNA, and lyses the cell.
b. HIV virus infects all lymphocytes, incorporates its own DNA into the T helper's DNA, and changes the T helper's identity.
c. HIV virus infects all cells involved in cell-mediated immunity, incorporates its own DNA into the DNA of the infected cells, and lyses the cells.
d. HIV infects T-suppressor cells and initiates apoptosis.
Question 2
Which of the following infectious agents that can be transmitted from mother to a growing fetus can result in physically and mentally impaired development?
a. Bordetella pertussis
b. Toxoplasma gondii
c. Coxsackievirus A
d. Clostridium botulinum
Electron micrograph of phage infection
Role of CD23 on epithelial cells in the pathogenesis of food allergic disease.
Phagocytosis of an antibody-bound virus by a macrophage
Upper respiratory infection
Spread of Infection
Sites for and causes for infection