During which stage of syphilis is penicillin ineffective?
A) Primary syphilis
B) Secondary syphilis
C) Tertiary syphilis
D) All of the above
Ans: C) Tertiary syphilis
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Cephalization is
A. embryonic development of the head in advance of the rest of the body. B. concentration of the sensory organs on the posterior end of the body. C. concentration of the sensory organs on the anterior end of the body. D. an evolutionary degeneration of the head as seen in some parasites. E. a malformation of the head.
Rhythms that are repeated every 24 hours are
a. sleep movements. b. tropisms. c. physiological requirements. d. circadian rhythms. e. biological clocks
The circumcision of males involves the removal of the _____.
A. fourchette B. perineum C. foreskin D. urethra
The fungi that cause athlete's foot and ringworm are members of which group?
A. imperfect fungi B. zygomycetes C. ascomycetes D. basidiomycetes