Which is a primary reason that females are at greater risk of a urinary tract infection than are males?
A. The urethra is shorter in women, therefore bacteria are closer in proximity to the bladder.
B. The pH of women is lower due to a greater abundance of lactobacilli which can overcolonize the urethra and migrate to the bladder.
C. Hormonal shifts in women can lead to overgrowth of genitourinary bacteria that eventually colonize the bladder.
D. The urethra is longer in women, therefore more bacteria can colonize the pathway to the bladder.
Answer: A
You might also like to view...
The island fox, Urocyon littoralis, is only found on the Channel Island off the coast of California. This species is not found on the mainland where the gray fox, Urocyon cinereoargenteus, lives. This species would be considered to be
A. extinct. B. a transitional form. C. endemic. D. exotic. E. an ancestral form.
Which extraembryonic tissue burrows into, and thus attaches to, maternal tissues?
a. the amnion b. the yolk sac c. the chorion d. the blastocyst protein coat e. the inner cell mass
The rate and depth of breathing are governed by all of the following EXCEPT
a. chemoreceptors in arterial walls. b. baroreceptors in the diaphragm. c. the partial pressure of O2 in the atmosphere. d. a respiratory center in the brainstem. e. carotid and aortic bodies
Protists are alike in that all are
A) multicellular. B) photosynthetic. C) marine. D) nonparasitic. E) Eukaryotic