Answer:
Vomiting persists for more than two days.
Diarrhea persists for more than several days.
Diarrhea turns bloody, black or tarry.
Fever is 101 F (38.3 C) or higher.
Lightheadedness or fainting occurs with standing.
Confusion develops.
Worrisome abdominal pain develops.
Explanation:
I would say #2, because it is very important to eat a well balanced diet while also working out and staying physically active to stay healthy! However, the question asks, "Which of the following is a guideline for practicing good nutrition." That being said I would say #4 "Consume foods with a variety of nutrients and adequate portions.
Hope this helps!
B. The softening of the uterus near the cervix