A sample of fluid from the lungs contains microbes that grow in filaments or clumps. The cells stain poorly in the Gram stain and are a pink-red when acid-fast stained. The bacteria in the sample are
A. Mycobacterium species.
B. Mycoplasma species.
C. Corynebacterium species.
D. Actinomyces species.
E. not identifiable with this information.
Answer: A
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After a period of intense physical activity, how long does it take for scorpion respiration rates to return to their initial values?
a. Less than 60 seconds b. Less than 30 minutes c. Approximately one hour
The “A” in AIDS stands for ____
a. adaptive b. active c. acquired d. autoimmune e. artificial
Each of the following is an example of microfilament-based motility and contractility except
A) ciliary motility. B) pseudopodia formation. C) cytoplasmic streaming. D) cytokinesis. E) trailing edge retraction in a moving cell.
Answer the following questions true (T) or false (F)
1. Different parts of the tongue are responsive to different tastes. 2. The cilia that respond to sounds in the cochlea have "trapdoor" channels for K+ ions. 3. Our visual system creates images as well as perceiving them.