Select the best response to the question.
?What happens when a specimen is contaminated?
A) Important diagnostic information is obtained.
B) No clinically useful information is obtained.
C) Additional antibiotics are required to treat the infection.
D) It helps rid the body of additional pathogens.
B
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A testcross is performed to determine if a specific individual is a carrier. The results generate a 50/50 ratio of phenotypes. The test subject is therefore ________.
A. homozygous recessive B. heterozygous C. heterozygous dominant D. homozygous dominant
In aerobic respiration, the reaction of glucose with oxygen yields:
a. carbon dioxide only b. water only c. pyruvate d. carbon dioxide and water e. carbon dioxide, water, and pyruvate
Which is correct regarding the rate of microbial death?
A. Upon contact with the control agent, all cells die at one time. B. Cells die at increasingly greater rates. C. Only older cells die in a culture. D. Cells in a culture die at a constant rate. E. Cells become metabolically inactive but are never killed.
Which of the following statements about Malassezia is FALSE?
A. It is part of the microbiota of the skin. B. It causes phaeohyphomycosis. C. It is a basidomycete. D. It causes pityriasis. E. It tends to develop into a chronic infection.