An Electroencephalogram

question 62

Multiple Choice

An electroencephalogram

• A)Is a record of action potentials in the brain
• B)Records the potential difference between two points on the scalp's surface
• C)Is a pattern of complex waves with amplitudes similar to those of action potentials
• D)Is both is a record of action potentials in the brain and records the potential difference between two points on the scalp's surface
• E)Both records the potential difference between two points on the scalp's surface and is both is a record of action potentials in the brain and records the potential difference between two points on the scalp's surface are correct

---

Definitions:

Phlebitis

Inflammation of a vein.

Thrombophlebitis

Inflammation of a vein associated with the formation of a blood clot.

Varicosities

Abnormally enlarged, twisted veins that typically appear in the legs, caused by weakened valves and veins that struggle to return blood to the heart.

Cardiac Notch

A concavity in the left lung's surface that accommodates the space the heart occupies in the chest cavity.