NURSING ANM AND GNM

NURSING EXAM QUESTIONS

MICROBIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The bacteria that causes Bubonic Plague is transmitted to humans by fleas. Which term best describes the role of the fleas in transmitting Bubonic Plague?
A
Decomposer
B
Pathogen
C
Parasite
D
Vector
Explanation: 

Detailed explanation-1: -These infected animals and their fleas serve as long-term reservoirs for the bacteria. This is called the enzootic cycle.

Detailed explanation-2: -It is caused by the bacterium, Yersinia pestis. Humans usually get plague after being bitten by a rodent flea that is carrying the plague bacterium or by handling an animal infected with plague. Plague is infamous for killing millions of people in Europe during the Middle Ages.

Detailed explanation-3: -Bubonic plague is transmitted through the bite of an infected flea or exposure to infected material through a break in the skin. Symptoms include swollen, tender lymph glands called buboes. Buboes are not present in pneumonic plague.

Detailed explanation-4: -Plague is caused by Yersinia pestis, perhaps one of the most important bacterial pathogens in human history. It occurs in epidemics and pandemics with extremely high mortality when untreated. Prevention and rapid treatment are essential to avoid large outbreaks and the death of those infected with this pathogen.

Detailed explanation-5: -The disease is caused by a bacterium, Yersinia pestis (Lehman & Neumann). The pathogen is transmitted by fleas, particularly the oriental rat flea, Xenopsylla cheopis (Rothschild), but it also can be transmitted from human to human in its pneumonic form (a lung infection). Bubonic plague victim with bubo under arm.

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