A 30-year-old female complains of frequent and painful urination. A urinalysis is performed, and the results indicate the presence of bacteria in the urine. What problem does this woman have? From an anatomical perspective, explain to the patient why she
is more likely to suffer from this disorder than her husband. What sort of treatment would be appropriate?
What will be an ideal response?
The problem is a urinary tract infection (UTI). Women are more likely to suffer from UTIs because the female urethra is shorter than the male urethra and because the external urethral orifice (opening) is closer to the anus than it is in males. Very often, UTIs are caused by E. coli bacteria, which are normal residents of the large intestine. Fecal bacteria do not have to travel far to come into contact with the external opening of the female urethra. Antibiotics would be an appropriate treatment.
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The density of a population is defined as______
a. the number of individuals in a population at a specified time b. the number of individuals in a population at a specified place c. the number of individuals per unit area or per unit volume of habitat d. the size of the individual organisms per unit area e. the number of the individual organisms per unit size of each individual
Which statement is NOT true?
a. Electrons closest to the nucleus are at the lowest energy level. b. No more than two electrons can occupy a single orbital. c. Electrons are unable to move out of the assigned orbital space. d. The innermost orbital holds two electrons. e. At the second energy level there are four possible orbitals with a total of eight electrons
Which of the following statements is TRUE about
anaphase? a. When sister chromatids separate, each is called a chromosome. b. Motor proteins drag chromosomes towards the poles. c. Some microtubules slide past each other, pushing the poles farther apart. d. Kinetochore microtubules shrink at both ends. e. All of these are true.
Dunaliella salina is a bacterium that is able to live in aqueous solutions with such high salt concentrations that the salt cannot fully dissolve. D. salina is an example of a(n)
A) extreme thermophile. B) extreme halophile. C) methanogen. D) proteobacteria.