Read the following scenario. imagine you are at the laundry mat and you see these directions. 1. use credit card or cash to purchase tokens. machines do not accept coins. 2. choose a washing machine. select water temperature, water level, and type of cycle (gentle, permanent press, or regular) before entering tokens. 3. once water is flowing, add detergent, then items to be washed. 4. the washing machine lid must be closed before the cycle will begin. 5. do not open washers until the blue light goes off at the end of the cycle. according to those directions, which of the following is true? detergent should be added before the water begins to flow. tokens need to be entered before water level and other settings can be selected. when the blue light is illuminated, it is okay to open the washer. tokens are needed to operate the washing machines.

She took up a scalpel and slit the monkey's abdomen, making a slow and gentle cut, keeping the blade well away from her gloved fingers. the spleen was puffed up and tough, leathery, like a globe of smoked salami. she did not see any bloody lesions inside this monkey. she had expected that the monkey's interior would be a lake of blood, but no, this monkey looked all right, it had not bled into itself. if the animal had died of ebola, this was not a clear case. she opened up the intestine. there was no blood inside it. the gut looked okay. then she examined the stomach. there she found a ring of bleeding spots at the junction between the stomach and the small intestine. this could be a sign of ebola, but it was not a clear sign. it could also be a sign of simian fever, not ebola. therefore, she could not confirm the presence of ebola virus in this animal based on a visual inspection of the internal organs during necropsy.