Most of the inherent filtration of a typical x-ray equipment comes from the

a. dielectric oil.
b. window of the glass envelope.
c. Plexiglas collimator shadow plate.
d. collimator mirror.

b. window of the glass envelope.

Health Professions

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Which of the following are drugs derived from animal substances?

A. Potassium chloride and mineral oil B. Digitoxin and quinine C. Ibuprofen and aspirin D. Cephalosporin and penicillin E. Thyroid hormone and insulin

Health Professions

The ________ cells of the saliva secrete amylase and a fluid made mostly of water. 

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

Health Professions