Take Test: RAT 4-Pathogenic X
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blackboardlearn.utep.edu/webapps/assessment/take/launch.jsp?course_assessment_id=_376088_1&course_id=_194024_1&content_id=... Q?
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A 23-year-old i.v. drug abuser is brought to the ER from the homeless shelter because of fever, chills, a productive cough, and
the presence of blood in his sputum. He has no pain in any of his joints and no pain on urination. You initially thought it might be
influenza. However, when you listened to his chest, you heard the presence of an appreciable heart murmur. An echocardiogram
showed that he had growths on his tricuspid valve, indicative of endocarditis. Blood and urine samples were drawn and sent to the
lab for culture. The lab obtained yellow b-hemolytic colonies on sheep blood agar plates, but only from the blood cultures. The
causative organism was found to be Gram-positive, catalase-positive, and coagulase-positive. It was found to contain a b-
lactamase activity, so it was resistant to two drugs commonly used to treat this infection. Luckily, i.v. administration of a third drug
was successful in relieving his symptoms, so it was NOT necessary to use the "drug of last resort."
What complications might be possible with this illness?
a. Toxic shock syndrome
b. Heart attack
c. Wound infection if he injures himself
d. All of these are possible
QUESTION 5
Questions 1-5 refer to the following clinical case. A 17-year-old woman developed nausea, vomiting, and diarrhea shortly
after returning from a garden party held at the home of her employer. A picnic dinner of hamburgers, hot dogs, potato salad,
baked beans, and lemonade was served. The food was served on an outdoor picnic table, and the guests were free to eat at any
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