Antibiotic Resistance Is One of the Most Serious Emerging Health

question 5

Multiple Choice

Antibiotic resistance is one of the most serious emerging health problems in the world today. More than 70 percent of disease-causing bacteria are resistant to at least one of the currently available antibiotics. Pseudomonas aeruginosa is one such bacterium and is responsible for many hospital-acquired infections. In people with pre-existing conditions such as cystic fibrosis (CF) , P. aeruginosa can cause persistent lung infections. CF is a genetic disease in which some membrane transport molecules do not function. In the lungs, this leads to hardened mucus that makes it difficult for gas exchange and mucus that can also harbor bacteria such as P. aeuruginosa . Which of the following is true about the bacterium P. aeruginosa ?

• A) It contains many mitochondria because it actively divides.
• B) It has a cell wall.
• C) All its genetic material is contained in a circular plasmid.
• D) It is a eukaryote.

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Definitions:

Generalization

The process by which the brain applies past experiences to new situations, recognizing patterns.

Spontaneous Recovery

The reappearance of a learned response after its apparent extinction, often occurring suddenly in response to the original conditioning stimulus.

Secondary Reinforcement

A process in which a stimulus reinforces behavior after it has been associated with a primary reinforcer, often through social or conditioned means.

Discrimination

Unjust or prejudicial treatment of different categories of people, especially on the grounds of race, age, gender, or disability.