The names of the three proposed domains are: Bacteria, Protista, Eukarya.
Answer the following statement true (T) or false (F)
False
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The predominant organisms in vaginal secretions from normal prepubescent girls and postme-nopausal women are:
a. lactobacilli. b. S. agalactiae. c. Enterobacteriaceae. d. staphylococci.
Why might an individual with an STI need to be checked for other STIs, even though he/she has no symptoms of any others?
A. Several STI-causing pathogens are known to 'piggy back' on each other, being carried into the genital tract together. B. A diagnosis of an STI implies that the individual engaged in unprotected sexual intercourse. Several STIs are largely asymptomatic, so it is wise to test for a variety of typical STIs when the patient admits to or shows signs of engaging in such risky behavior. C. They don't need to be tested-all STIs are highly obviously symptomatic, so there is no need to test for other diseases than the one currently manifesting itself in the patient. D. It's a public health issue-it's best to know who is positive for what in the population of sexually-active individuals. This lets healthcare professionals act to best safeguard the population as a whole from the range of STIs.
When the hormone erythropoietin is released in response to low oxygen levels, where is it transported to stimulate red blood cell production?
A) kidney B) spleen C) red bone marrow D) liver E) throughout plasma
Disease-causing microorganisms are called
A) Eukaryotes B) Decomposers C) Pathogens D) Prokaryotes E) Fermenters