Infection Risk Factors: Videos & Practice Problems

Marco is about to enter a crowded indoor market and is worried about catching a respiratory virus spread by droplets and aerosols. Which of the following would do the MOST to reduce his immediate risk?

Lena cleans her pet rabbit's cage daily and sometimes inhales dust from the bedding. Her behavior most directly increases her risk for

A patient receiving high-dose chemotherapy for leukemia develops severe pneumonia from Pneumocystis jirovecii infection. This is an example of a(n)

Which of the following lists a key driver of multidrug-resistant organisms (MDROs) and the most appropriate personal action to slow their spread?

Which of the following best distinguishes factors an individual can control versus factors they generally cannot control when trying to prevent infectious disease onset?

Pathogenic microbes are widespread in the environment and on our bodies. Which explanation best describes why healthy people do not develop new infectious diseases from routine daily exposures?

Exposure to only a handful of cells from an identified bacterial strain would MOST likely cause severe disease if the bacteria were

To lower the likelihood of getting an infectious disease, which behavior below can you adopt?

Chronic short sleep combined with a diet high in processed, high-fat foods will have what effect?

In the 1950s, many pneumonia patients were treated with the new antibiotic penicillin and showed initial improvement, but after a few weeks, they relapsed with infections that no longer responded to the drug. What is the most probable cause of this occurrence?

During a severe respiratory virus outbreak (no vaccine available), which single city policy is most likely to produce the largest reduction in cumulative infections?

True or False: Traveling from the United States to Southeast Asia for two weeks, including urban and rural regions, puts Anna at a higher risk for infectious diseases.

Which term best characterize a microorganism that causes disease primarily when a host's immune defenses are weakened or when it reaches an unusual body site?