Diseases that primarily exist in animals, but may be transmitted to humans are called
A. parasitic.
B. symbiotic.
C. zoonotic.
D. epidemic.
C
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The laboratory receives a blood soaked gauze pad with some tissue wrapped in it for culture in a sterile container. The proper disposal of the material will include:
a. placement in the appropriate biohazard container. b. placement in the garbage as long as it is enclosed in the sterile container. c. treatment with a disinfectant prior to dis-posal in the biohazard container. d. placement in the appropriate biohazard container and sterilization for contamina-tion with organic material.
The sirtuin, resveratrol, is a natural component of
A) turtle soup. B) owl meat. C) cigarette smoke. D) red wine.
In response to falling levels of testosterone, which hypothalamic hormone rises?
a. prostaglandins b. FSH c. LH d. GnRH e. hCG
How do prions, which are misfolded proteins, infect organisms?
a) Prions only arise through spontaneous mutation. They are not transmissible. b) Prions recruit ribosomes to make more copies of the wrong form of the protein. c) Prions enter brain cells and cause normal forms of the protein to refold into the prion form. d) Prions enter brain cells through the lymphatic system and make copies of themselves. e) None of the above.