The word incorrectly spelled in the above context is “unnecessary” instead of “unnecessary”. The physician thought that it is unnecessary to explain procedure.
All other words such as physician, explain and physician are spelled correctly in the above given statement.
Thus, the options (a), (d) and (c) are incorrect.
The word incorrectly spelled in the above context is “unnecessary” instead of “unnecessary”. The physician thought that it is unnecessary to explain procedure.
Therefore, the correct option is – b. unnecessary.