Periods with Abbreviations Exercise (232)

Edit the following sentences to correct any misuse or omission of periods with abbreviations.

Answers and Explanations

1.
Original: Dr Ngyuen has recently moved his offices; his new receptionist is Ms Jenkins from Brooklyn, N.Y.
Correct : Dr. Ngyuen has recently moved his offices; his new receptionist is Ms. Jenkins from Brooklyn, N.Y.

Use periods with abbreviations that end in a lowercase letter.

2.
Original: Some American presidents have such recognizable names that they are known by their initials (eg, F.D.R., J.F.K., and L.B.J.).
Correct : Some American presidents have such recognizable names that they are known by their initials (e.g., FDR, JFK, and LBJ).

Use periods with e.g. Do not use periods for abbreviations that replace an entire name.

3.
Original: The principal speakers scheduled for the Joan of Arc Festival in May are M J Maddox, Ph.D. and Father William Quinn.
Correct : The principal speakers scheduled for the Joan of Arc Festival in May are M. J. Maddox, PhD and Father William Quinn.

Use periods for initials standing for given names as part of a name (M.J.). Do not use periods with abbreviations that appear in full capitals (PhD), even if lowercase letters appear within the abbreviation.

4.
Original: I still have trouble accepting the new postal abbreviations such as IL. for Illinois and AR. for Arkansas; I prefer their old abbreviations: Ill. and Ark.
Correct : I still have trouble accepting the new postal abbreviations such as IL for Illinois and AR for Arkansas; I prefer their old abbreviations: Ill. and Ark.

The two-letter postal codes do not require periods. The old abbreviations do require periods.

5.
Original: The University of London offers a DLitt. degree.
Correct : The University of London offers a DLitt degree.

Although the usual rule is to put a period after an abbreviation ending with a lowercase letter, academic degrees are an exception.

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