The bottom right-hand corner of an envelope is the space reserved for the bar code that is printed during OCR processing

The head, neck, chest, abdomen, and groin are the location of major clusters of:

A) Lymphatic ducts B) Lymphangions C) Lymph nodes D) Precollector vessels

Which of the following suffixes means "disease"?

A. -phobia B. -pathy C. -ectomy D. -itis