Answer:
According to the symtomps presented by the 5-year-old female spayed Shih Tzu. She is experiencing an Hypovolemic Shock.
Step-by-step explanation:
Hypovolemic Shock is caused by a critical reduction in intravascular volume, in this case, the severe dehydration, vomiting, and diarrhea are signs of a critical intravascular reduction. The intravascular volume reduction will end in a stroke volume decrease and subsequently cardiac output.