A(n) ____________________ dog or cat is a member of a recognized breed, like Golden Retriever or Siamese

What is the correct abbreviation for electrocardiogram? 

A. ElCG B. ECG C. EG D. ECAG

The heading whipping back during a rear-end collision, beyond its normal range, is a _____ and can tear the anterior longitudinal ligament.

Fill in the blank(s) with correct word