"SCHISTOSOMIASIS" Causative agent: ? Reservoir(s):      - first reservoir: ?      - second reservoir: ? Hosts:     - primary hosts: ?      - secondary hosts (incidental hosts): ? Portal of entry: ? Portal of exit: ? Transmission: ? Major/common manifestation of the infection/disease: ?

Which of the following statements about the development of infectious diseases is correct? The prodromal period is characterized by very severe symptoms.   During the incubation period, the infected individual exhibits obvious signs of sickness.   The period of continuation is the time during which the person regains health and fully recovers (back to the pre-disease state).   The period of invasion is the time when the height of infection occurs.

Please choose the answers that correctly describe the virulence factors of Staphylococcus aureus. Check All That Apply Coagulase enzyme causes blood plasma to clot. Staphylokinase enzyme destroys red blood cells. Penicillinase enzyme allows S. aureus to grow in the presence of penicillin. Hyaluronidase enzyme promotes Invasion of host tissues. Lipase enzyme causes a fever in the host.

Which is mismatched? 1) Secondary infection - infection acquired subsequent to a current infection O 2) Localized infection infection stays at or near the entry site O 3) Mixed infection - several agents established at infection site Focal infection - infection moving throughout the body, such as through the 4) bloodstream

How is salmonella typhi transmitted? Include ALL the mechanisms can be transmitted. indirect transmission (airborne, vehicles, vectors – what are the vehicles/vectors?) direct transmission (direct contact – how?) vertical transmission – how? horizontal transmission – how?

The type of hepatitis which is transmitted by percutaneous or parenteral exchange of body fluids is ___. This is an occupational hazard for embalmers, and is the type against which we should be immunized.     HBV     HAV     HPV     none of these, warts do not have a viral etiology