After a drug enforcement agency raid on a location that housed intravenous drug users, several were brought to the hospital with rapid breathing, fever, and an altered mental state. which of the following statements is correct?

a. stained blood smears should be performed promptly to look for abnormalities in the blood cells.
b. a broad-spectrum antibiotic is needed promptly, as they are likely to be in septic shock from intravenous introduction of microbes into the blood.
c. unsanitary conditions in the house probably resulted in infestations with insects, so it's prudent to examine them for insect bites that may provide a clue.
d. many drug users are hiv-positive, so the patients should all be monitored for levels of cd4 t-cells before any other action is taken.