D. Because when you bite your nails your not in that type of mental state
A health maintenance organization, or HMO, is a group insurance policy in which covered members must get referrals from a primary care physician to see a specialist. Relative to other group policies, such as PPO and POS, HMOs offer financial savings and preventative health advantages. However, they present several restrictions for members.
All three bacterial species are gram negative. Gram negative bacteria tend to survive better in Internal cavities of the body as they do not have thick cell walls like gram positive bacteria, so tend to "dry out" in dryer conditions like on the skin.
<span>So I would say the urinary tract provides them with a "good" living environment to thrieve and cause infection. They are all opportunistic pathogens. They are also all found naturally in nature in soil and plant roots so maybe this has something to do with it? </span>
