The most definitive test to diagnose a helminth infection is
A. a good medical history of the patient, including recent foreign travel.
B. an ova and parasite smear for microscopy.
C. a serological test for the presence of anti-helminthic antibodies.
D. a blood cell count to look for elevated levels of eosinophils.
Answer: B
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A breath test assaying for radioactive carbon dioxide may be used to indicate the presence of
A. E. coli. B. Pseudomonas. C. Streptococcus pyogenes. D. Helicobacter pylori.
There is a direct correlation between the level of translation and the length of a poly-A tail
Indicate whether the statement is true or false.
A homeowner uses a nail to hang a "Home Sweet Home" sign on the trunk of an oak tree. The sign is 2 meters above the ground. The tree grows in height at a rate of 10 cm per year. How high above the ground will the sign be in 15 years?
A) 1.5 meters B) 2 meters C) 3.5 meters D) 152 meters
Which of the following groups functions as a narrow-spectrum antibiotic?
A) Cephalosporins B) Vancomycin C) Trimethoprim D) Chloramphenicol