Isotopes differ in the number of what particle?

The recommended adult dose of Elixophyllin, a drug used to treat asthma, is 6.00 mg/kg of body mass. Calculate the dose in milligrams for a 115-lb person.

Place the following in order of increasing radius. (Extra credit)

26. The adult trematode lives in the liver and is found in China, Japan, Korea, and Vietnam. What ovum is present?   (Wet mount, 100X oil immersion)

29. The eggs of this trematode are passed in the feces, while the adult flukes live in the smaller branches of the inferior mesenteric vein. Which ovum is present in this fecal smear? (Wet mount, Slightly enlarged for review in image)

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23. The eggs of this blood fluke are found mainly in Southeast Asia and are passed in the stool. This fluke is often found in domestic animals. The ovum is round and has a very small lateral spine when present. This trematode is most likely:

25. In most of the trematodes, the infective stage is the _______________and the diagnostic stage is the __________.

18. This fluke is one of the largest trematode, can be found obstructing the biliary ducts or encapsulated in the lungs of an infected patient. This particular parasite is: 

21. The specimen of choice to collect in suspected cases of Paragonimus spp. infection is?