You are working as part of microbiology team that has been interested in identifying bacteria that survive in the sediments at the bottom of the Great Salt Lake. The conditions at the Great Salt Lake is cold (10oC), has a high salt concentration, a pH around 7.4, and has oxygen levels that vary throughout the year. What terms would describe bacterium found in these sediments? How did you come to these conclusions?

What is Erikson’s stage of development for the infant?

Chlorine bleach, betadine, and iodophors are classified as _______ .

How do heavy metals work to control microbial growth?

You have been tasked with determining which chemical control method would be the best candidate for daily disinfection of classroom tables. The chemicals you have been asked to research are formaldehyde, chlorhexidine, iodine, and a phenolic compound. Which chemical(s) would you recommend for daily disinfection of tables? Why?

Quaternary ammonia compounds (quats) can be used to sterilize material when the quat is applied at a high concentration.

What is the leading cause of injury and death among infants and young children?

Which of the following physical control methods does not denature proteins and disrupt membranes of susceptible cells?

At what age does a child typically possess the physiologic, neuromuscular, and psychological maturity necessary to master toilet training?

A bacterium that grows at cold temperatures is described as a  _______ .