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steven mays

steven m.

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Question 6 is based on the following information: Two pediatricians want to investigate a new laboratory test that identifies streptococcal infections. Dr. Kidd uses the standard culture test, which has a sensitivity of 90% and a specificity of 96%. Dr. Childs uses the new test, which is 96% sensitive and 96% specific. 6. If 200 patients undergo culture with both tests, which of the following is correct? a. Dr. Kidd will correctly identify more people with streptococcal infection than Dr. Childs b. Dr. Kidd will correctly identify fewer people with streptococcal infection than Dr. Childs c. Dr. Kidd will correctly identify more people without streptococcal infection than Dr. Childs d. The prevalence of streptococcal infection is needed to determine which pediatrician will cor rectly identify the larger number of people wit: the disease

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INSTRUCTIONS: Very carefully read the evaluation and use it to identify the best answer that completes step (10) of the evaluation: We do not give alcohol to an alcoholic. It clearly follows that we should not give clean syringe needles to a heroin addict. STEPS (1) What are the statements? STEPS (2) How are the statements used? STEPS (3) What is the map (structure) of the reasoning? (1). It clearly (AQ) follows that (CI) (2). 1-->2 STEP (4) Are there any assuring or guarding qualifiers? “Clearly” is used as an assuring qualifier. Given its grammatical location in the conclusion indicator, “it follows that,” the author believes that her/his reasoning is valid. Since qualifiers express how strongly we assert a proposition or a supporting or explanatory relation, qualifiers are not logically part of what we assert. We discover whether a qualifier is correctly used only after having evaluated what it qualifies independently of the qualifier. A qualifier is correctly used if and only if the strength of the qualifier corresponds to the probability of the proposition or relation that it qualifies. In this particular example, the assuring qualifier “clearly” is correctly used if and only if the reasoning is valid (if and only if it is logically impossible for all the reasons to be true and their conclusion to be false). STEP (5) What is the nature

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Which statement about the role of the endogenous opioid system in alcohol's reinforcing effects is false? Group of answer choices Mice that lack the μ-opioid receptor do not self-administer alcohol. Opioid receptor antagonists reduce alcohol self-administration in animals. Clinical trials show that opioid receptor antagonists reduce alcohol craving and relapse in humans. Chronic alcohol use increases gene expression of endorphin and enkephalin.

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In DNA extraction from a banana, what is the purpose of using dish soap (detergent)?

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Consider a snow boarder going up a 6.5° slope. Assume the coefficient of friction for waxed wood on wet snow is μkμk = 0.10.

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2 1 point What does it mean when there is no growth on the Kirby Bauer assay plate? Bacteria are still alive but just aren't able to grow there Bacteria broke down the antibiotic in that area Bacteria were killed in that area Bacterial growth was inhibited

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the tissue attached to bones in your body that makes you move

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what does the large intestine absorb? what does the large intestine store? List the 4 parts of the large intestine

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A 5.00 kg block is attached to a spring and oscillates back and forth with no friction. As it oscillates, the block passes by the equilibrium point on its way to the right. At a time of 1.43 s later, it passes equilibrium again, but this time on its way to the left. a. Determine the period and frequency of the block's motion. b. Determine the spring constant of the spring the block is attached to. c. At the moment when the block passes the equilibrium point, its speed is 4.85 m/s. Calculate the Amplitude of its motion.

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The table below shows, the summary of a current survey conducted by a marketing firm regarding environmental protection policies among residents of two regions of the country. Good for Business & Jobs | Threat for Business & Jobs ---|--- R1 | 260 | 134 R2 | 140 | 122 Calculate the value of the appropriate statistic for testing the statistical independence of opinions on environmental concerns and regional affiliation.

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