Rejection of inappropriately collected or transported specimens:
a. is the sole responsibility of the laboratory and should be performed without regard to physician requests.
b. should be initiated by laboratory personnel but approved by the nurses or physicians responsible for the care of the patient.
c. is not in the best interest of patient care and should not be considered appropriate.
d. is the responsibility of the nursing staff and should not be an issue for laboratory personnel.
B
Specimen quality is critical in providing good test results, and every effort should be made to ensure optimal quality.
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Looking at the data in the figure above from the hare/lynx experiment, what conclusion can you draw?
I) Food is a factor in controlling hare population size. II) Excluding lynx is a factor in controlling hare population size. III) The effect of excluding predators and adding food in the same experiment is greater than the sum of excluding lynx alone plus adding food alone. A) only I B) only II C) only III D) only II and III E) I, II, and III
Which of the following have no effective dipole moment?
A. entirely polar molecules B. entirely nonpolar molecules C. proteins D. nucleic acids E. All of these molecules have no effective dipole moment.
Pea plants are self-pollinators. What can you further deduce about peas? (Check all that apply.)
_____ Peas will be more resistant to garden pests than other plants. _____ Peas are less likely to invade highly variable natural environments than other plants. _____ A gardener planning to collect heirloom seeds can plant different varieties of peas near each other. _____ Peas will be more resistant to new plant diseases. _____ To perform his pea cross-pollination experiments, Gregor Mendel must have first removed the stamens from flowers to prevent self-pollination. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about pollination? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Plasmids
A. are essential for survival. B. are found in all bacteria. C. often carry genes controlling pathogenicity. D. are located in microcompartments. E. cannot be passed between organisms.