Dangerous organisms that can grow in a variety of environments and are capable of producing toxic substances are known as:

A) toxins. B) bacteria. C) viruses. D) biologicals.


B

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Which description best explains the term "silent heart attack"?

A) The chest discomfort was so intense the patient could not speak B) The patient had a single episode of chest discomfort followed by cardiac arrest C) The chest discomfort did not radiate into the arms, neck, or back D) The patient had little to no chest discomfort

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Stereotactic radiosurgery (gamma knife surgery) is a noninvasive technique that is currently used to treat ________ tumors.

Fill in the blank(s) with the appropriate word(s).

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The therapist is using an O2-powered breathing device that is being manually triggered. Each time the therapist depresses the actuator, he continues to depress the actuator. What effect will maintaining pressure on the actuator have on the inspiratory time?

A. It will have no influence on the inspiratory time. B. It will prolong the inspiratory time because inspiration will be maintained as long as the actuator is depressed. C. Inspiration will automatically be terminated after 3 seconds despite depressing the actuator continuously. D. Maintaining pressure on the actuator will cause multiple inspirations to be triggered.

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The bottom number of a fraction is called the

A) numerator B) denominator C) quotient D) multiplicand

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