NAPLEX (North American Pharmacist Licensure Examination) Practice Exam

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Study for the NAPLEX exam with a comprehensive quiz featuring multiple-choice questions and in-depth explanations. Build your pharmacological knowledge and increase your chances of passing the pharmacist licensure examination!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

Which of the following is a gram negative coccobacillus?

Acinetobacter baumannii
Bordetella pertussis
Moraxella catarrhalis
Escherichia coli

The correct answer is: Acinetobacter baumannii

Acinetobacter baumannii is a gram negative coccobacillus because it is a small, rod-shaped bacterium that has a slightly curved shape, appearing more oval or elliptical than a true bacillus. The other options are incorrect because they are not coccobacilli. Bordetella pertussis is a gram negative bacillus, meaning it is longer than it is wide and has a straight shape. Moraxella catarrhalis is a gram negative diplococcus, meaning it appears in pairs or chains of spherical cells. Escherichia coli is a gram negative bacillus, like Bordetella pertussis, it has a straight shape and is longer than it is wide.