Which of the following distinguishes an explosion from other occurrences such as ordinary combustion?

Diphenhydramine is administered in anaphylaxis because it:

A) blocks histamine receptors. B) is nonselective. C) reduces histamine release from mast cells and basophils. D) produces all of the above.

In CT imaging, the X-ray beam is parallel to the part being imaged

Indicate whether the statement is true or false