Which of the following phyla is unusual, as it is composed of a single species?
a. Gnetophtya
b. Anthophyta
c. Ginkgophyta
d. Coniferophyta
e. Cycadophyta
c
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A patient has an infection caused by S. moniliformis. Which of the following is the preferred antibiotic choice?
a. Penicillin b. Tetracycline c. Streptomycin d. All of the above
A direct immunofluorescent antibody (DFA) test was performed on a sputum sample that yielded a positive test. The organism grew on BCYE medium and was a thin gram-negative, faintly staining bacillus. What is the drug of choice for this organism?
a. Fluoroquinolones b. Erythromycin c. Penicillin d. Aminoglycosides
Untreated gonorrhea in males may lead to
A. sterility. B. urinary tract infections. C. prostatic abscesses. D. orchitis. E. All of the choices are correct.
The process through which species not closely related may come to resemble one another if they live in a similar environment is known as
A) coevolution. B) homology. C) convergent evolution. D) paedomorphosis.