Microbiology (Complete solution)

The relationship between a parasite and its host would be termed: correct answers Antagonism Microorganisms that can grow in the absence of oxygen are called: correct answers anaerobic A genus of bacteria that are gram-positive occurring in pairs: correct answers diplococcus The causative agent for endemic typhus (fleaborne typhus) is: correct answers Rickettsia typhi The temperature at which a microorganism grows best is: correct answers optimum temperature The white blood cells generally found to be in the highest concentration in the normally healthy individual during a routine blood study would be: correct answers neutrophils The flagellum of a bacterial cell functions for: correct answers movement Bacteria that can grow in the absence or presence of free oxygen are known as: correct answers facultative A prion is an abnormal: correct answers protein A visible group of bacteria growing on a solid medium, presumably arising from a single microorganism is called a: correct answers bacterial colony Puerperal sepsis is commonly called: correct answers childbirth fever Which of the following diseases are NOT caused by Streptococcus pyogenes: correct answers trachoma A toxin, which is generally protein in nature, and is produced by a microorganism and excreted into its surroundings is called a(n): correct answers exotoxin Bodily fluid discharges from orifices, lesions, and biological vectors are: correct answers vehicles of exit The bacillus is considered the largest of the pathogens. It is a gram (+) aerobic spore former, which most commonly enters through a wound or skin abrasion, and exits the body through pus, sputum, feces, and urine. It can also enter a person via the respiratory tract. The most likely organism is: correct answers Bacillus anthracis Lyme disease is spread from animal to humans by the bite of an infected tick. In this situation, the tick serves as a: correct answers carrier A large group of non-motile, gram-negative intracellular parasites is called: correct answers chlamydia