Which one of the following organisms does observation of the feces provide no useful means of diagnosis?

A 15-year-old patient was admitted with severe headache and confusion. An examination of their spinal fluid revealed many small, motile amoebae. The patient was visiting friends in Texas and had been swimming and diving in a freshwater pond. The most likely organism is:

Pertussis (whooping cough) is an epidemic disease that is a highly contagious, acute infection of the upper respiratory tract caused by the:

During the paroxysmal stage of pertussis, symptoms are:

Colonies growing on modified cefsulodin-irgasan-novobiocin (CIN) agar appear to be either Aeromonas spp. or Yersinia enterocolitica. Which test should be performed to differentiate between these two organisms?

Which of the following statements best describes the habitats of Vibrio spp., Aeromonas spp., Plesiomonas shigelloides, and Chromobacterium violaceum?

The drug of choice to treat patients with V. cholerae in addition to rehydration is:

Rosalinda went to a five-star restaurant that had great reviews. The atmosphere was wonderful, and she enjoyed the company of her friends and her boyfriend. However, at the table next to them sat a family with five children, who were loud and disruptive. When Rosalinda left the restaurant, she remarked to her friend that she wouldn’t recommend the restaurant and was considering writing a negative review. Rosalinda was most likely influenced by which of the following?

Lush Cosmetics is developing a program to get to know its customers. Which of the following is not a reason why Lush Cosmetics needs to understand consumer buying behavior?

In shopping for a new laptop computer for her master’s degree program, Dolly has narrowed the alternatives to four brands. She is considering Microsoft, Google, Samsung, and Apple. These four brands make up which of the following for Dolly?