Microorganisms and pH in Nursing Practice

Bacteroides fragilis

Any break in the integrity of the skin allows pathogens to exit the body.

Respiratory tract pathogens are released from the body when an infected person sneezes or coughs.

<p>The ideal temperature for most human pathogens is 20°C to 43°C (68°F to 109°F).</p> Signup and view all the answers

<p>Normally, urine is sterile.</p> Signup and view all the answers

<p>When a patient has a urinary tract infection, the sterile urine can become contaminated during urination.</p> Signup and view all the answers

<p>Mucous membranes allow moist drainage from the body, which can serve as a portal for pathogens to exit.</p> Signup and view all the answers

<p>Cold temperatures tend to prevent the growth and reproduction of bacteria (bacteriostasis).</p> Signup and view all the answers

<p>A bacteriostatic temperature or chemical prevents the growth of bacteria, while a bactericidal one destroys bacteria.</p> Signup and view all the answers

<p>Bacteroides fragilis is part of the normal flora of the human colon, but can cause infection if displaced into the bloodstream or surrounding tissue.</p> Signup and view all the answers