A woman comes to the emergency department with fever and vomiting. She soon develops a red rash all over her body, and her blood pressure begins to drop. What is a likely diagnosis?
A. erysipelas
B. endocarditis
C. scarlet fever
D. toxic shock syndrome
E. staphylococcal food poisoning
Answer: D
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Which of the following best distinguishes between annuals, biennials, and perennials?
A. how tall they grow B. the number of flowers they produce C. the amount of root development D. the environment they grow in E. the time from seed germination to seed production
Saponin, polypropylene glycol, SPS, and ethylenediaminetetraacetic acid (EDTA) are all components in which blood culture system?
a. BACTEC system b. BacT/ALERT system c. ESP system d. Lysis centrifugation system
An individual who is attracted to light is exhibiting
a. negative phototaxis. b. positive phototaxis. c. negative thigmotaxis. d. positive thigmotaxis.
The most common metabolic waste product is ____
a. urea b. carbon dioxide c. ammonia d. oxygen e. electrolytes