You can find this answer by Googling that question. But, as someone who answers questions, I'll write it within my own words.
An ectopic pregnancy is when the egg is attached somewhere else aside from the uterus; the normal resting spot for the fertilized egg to begin growing. Usually, in an ectopic pregnancy, the egg goes into a fallopian tube which is obviously not where the egg is meant to be growing, so the embryo usually cannot form and continue to grow. Since the egg is already inside a tube, there is no possible way for it to survive. This doesn't occur that often, but that's not to say it doesn't occur at all.
It attacks the white blood cells, disabling them and making them unable to fight off diseases. People with HIV often die from small diseases such as the common cold because all of their white blood cells have been disabled and are unable to protect them.
Answer:
"the endotracheal tube could enter Right main bronchus if inserted too far"
Explanation:
Based on the information provided it can be said that in this scenario the statemen that would indicate complete understanding would be "the endotracheal tube could enter Right main bronchus if inserted too far". This statement is completely true and occurs because the right bronchus is shorter and wider than the left thus allowing easier passage.