Macroplankton are organisms visible to the naked eye and generally exceed ____ in size
a. 5 mm
b. 1 mm
c. 5 mm
d. 10 mm
e. 10 cm.
B
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A medical laboratory scientist (MLS) is examining a thin blood film from a patient suspected of having a Plasmodium infection. After examining the slide for 5 minutes and viewing approx-imately 100 oil immersion fields, the MLS does not observe any structures associated with Plasmodium. Which one of the following statements explains this discrepancy?
a. The stain may have been contaminated. b. The MLS should have examined each field under high dry magnification; there-fore the magnification is not correct. c. The MLS may have missed the organism; more than 300 fields should be viewed. d. No discrepancy is present. Plasmodium spp. are not found in blood; therefore the results are accurate.
The retina is incomplete at the place where the ____ ____ leaves the eye forming your "blind spot"
Fill in the blank(s) with the appropriate word(s).optic nerve
Cattle egrets have a ________ relationship with African Cape buffaloes.
A. predator-prey B. parasitic C. competitive D. commensalistic
Which of the following bacteria requires heme for its growth?
A) Salmonella B) Shigella C) Yersinia D) Haemophilus E) Bordetella