Answer:
Atrial flutter is a type of abnormal heart rhythm, or arrhythmia. It occurs when a short circuit in the heart causes the upper chambers (atria) to pump very rapidly. Atrial flutter is important not only because of its symptoms but because it can cause a stroke that may result in permanent disability or death.
Common signs and symptoms of idiopathic intracranial hypertension (IIH) in the young include headache, vomiting, blurred vision, and diplopia. Clinical manifestations of increased ICP in an infant include a high-pitched cry, poor feeding, setting-sun sign, and distended scalp veins.
Answer:
a. in the bottom of the atrium just above the ventricles
Explanation:
AV node -
It helps to control the heart rate , it serves as an electrical relay station , reduces the electrical current which is sent by the SA node .
The location of the AV node , is at the lower back section of the inter atrial septum , and conducts the electrical impulse normally from the atria to ventricles .

I believe the answer is...
Taking medicine in a pill form.
Hopefully, this helps you!!

c) cornea is the another name for eyeball