Medicine Spontaneous mouth petechiae and gingival bleeding occur typically at platelet levels A Between 300,000 - 500,000/mm3 B Between 20,000-30,000/mm3 C Between 150,000-170,000/mm3 D Between 70,000-185,000/mm3 💡 Explanation Spontaneous mouth petechiae and gingival bleeding occur typically at platelet levels ✓ Correct Answer: B. Between 20,000-30,000/mm3