A patient came to the ER with a severe infection of the foot. When examined, the wound emitted a strong, foul odor and there was a considerable amount of gas in the tissue. The wound was cultured and the following organism, which was gram positive, grew under anaerobic conditions an anaerobic blood agar. What organism should be suspected? DZ hemolysis.jpg

This image shows an organism isolated from a post-surgical wound infection on 5% blood agar grown in the CO(2) incubator. Based on this finding, which of the following tests would you perform to identify which organism? Colony Morphology DB4(1).jpg

A rancher shows some characteristic lesions on his face. The organisms produce aerobic, non-hemolytic, non-motile colonies. The microscopic morphology from the isolated colonies is shown below.Which of the following should be suspected? Bacillus_anthracis2Gram.jpg

Catalase negative, beta-hemolytic colonies were isolated from a wound culture taken from a 2 year-old child who presented with fluid-filled vesicles on her face. Which of the following combination of tests will identify the organism?

BONUS: List the ways in which DNA and RNA differ.

A client has been taking a proton pump inhibitor (PPI) such as esomeprazole or omeprazole daily for several years. Which findings should the nurse recognize as potential long-term adverse effects of PPI therapy? (Select all that apply.)  (Select all that apply.)

A client beginning a chemotherapy regimen with a high risk of delayed nausea and vomiting is prescribed aprepitant in addition to ondansetron. The nurse should recognize that aprepitant works by which mechanism?

A client preparing for a cruise asks the nurse when to take meclizine (Antivert) to prevent motion sickness. Which response is correct?

A client asks the nurse why famotidine was prescribed instead of omeprazole for mild, occasional heartburn. Which explanation best reflects appropriate clinical reasoning?

A nurse is reviewing a client’s cardiac history before administering IV ondansetron (Zofran) for postoperative nausea. Which finding is most important to report to the provider before giving this medication?