Answer ; Hemolytic uremic syndrome.
Reason ; In the given case, the preschooler had the signs of purpura, blood stained diarrhea, vomitting and increased temperature. In the case, he has already had diarrhoea a weak before, it shows that he had past history of gastro infection. From all these signs and symptoms and the previous history the nurse can diagnose the above mentioned condition.
If the nurse further check his blood value she will see that all his blood values would have reduced, cause the past infection would have affected his smaller blood vessels. Other condition given in the option are not relavent to the given signs and symptoms and history. hence the above mentioned option is the most appropriate one.
A nurse obtains historical data regarding a preschooler who lives on a farm. The child had...