X-radiation was discovered when Roentgen was working with a Crookes tube

Indicate whether the statement is true or false


True. Roentgen discovered x-radiation while working with a Crookes tube (named after William Crookes, an English chemist). The Coolidge tube is named after William David Coolidge who, while working for the General Electric Company, introduced the hot cathode tube that allowed x-ray output to be predetermined and accurately controlled.

Health Professions

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Cardiology office note: "Edward returns today following months of chest pain. He has had a series of cardiac tests and the findings indicate ischemic heart disease. He will be placed on the appropriate cardiac regime." The correct code(s) for this case is (are) _________________________.

Fill in the blank(s) with the appropriate word(s).

Health Professions

Which code represents biopsy of vestibule of mouth?

a. 40490 b. 40799 c. 40808 d. 40812

Health Professions

For the AEMT, which of the following is the MOST important question to ask of a diabetic patient or his family members?

A) When was the last time you ate? B) Do you have a fruity taste in your mouth? C) Does diabetes run in your family? D) What kind of insulin do you take?

Health Professions

The site of articulation between the skull and the vertebral column is the:

A) suborbital foramen. B) foramen magnum. C) occipital condyles. D) lamboid suture.

Health Professions