Lung and Respiratory System Infectious Diseases Influenza Colds, flus and other respiratory illnesses are more common in winter months. See what you know about the viruses, symptoms, populations most at risk and care advice with this quiz. How many viruses can cause a common cold? A. Fewer than 50 B. Fewer than 150 C. More than 200 D. More than 500 The correct answer is C. More than 200 How did you get it? Somebody coughed or sneezed near you, or you touched a contaminated surface, like a doorknob. What is the most common virus that can cause a cold? A. Coronavirus B. Rhinovirus C. Respiratory syncytial virus (RSV) D. Parainfluenza The correct answer is B. Rhinovirus Most people are contagious for about a week, starting the day before they have symptoms. How many Americans get the flu each year? A. Between 70 and 85 percent B. Between 50 and 65 percent C. Between 30 and 45 percent D. Between 5 and 20 percent The correct answer is D. Between 5 and 20 percent Relieve symptoms with rest, fluids and medicines. In severe cases, antiviral medications like Tamiflu or Relenza may be prescribed. What is the most common respiratory cause of hospital admissions for children younger than 1 year? A. Common cold B. RSV C. Covid-19 D. Influenza The correct answer is B. RSV Older adults, people with heart and/or lung problems, and people with weakened immune systems are also at risk. What percentage of infants get RSV by age 2? A. Between 97 and 99 percent B. Between 90 and 93 percent C. Between 85 and 89 percent D. Fewer than 85 percent The correct answer is A. Between 97 and 99 percent Also, each year in the U.S., 60,000 to 120,000 older adults are hospitalized with RSV. What percentage of adults and children are diagnosed with acute bronchitis in the U.S. each year? A. About 5 percent of adults and 6 percent of children B. About 10 percent of adults and 15 percent of children C. About 20 percent of adults and 30 percent of children D. About 40 percent of adults and 50 percent of children The correct answer is A. About 5 percent of adults and 6 percent of children How does it feel? Like you can’t stop coughing, probably starting as a dry cough that soon became mucus-producing. Bronchitis is considered chronic if you have a mucus-producing cough … A. at least four months per year, three years in a row B. at least three months per year, two years in a row C. for four months within a one-year span D. for three months within a one-year span The correct answer is B. at least three months per year, two years in a row Chronic bronchitis is inflamed bronchi (the big tubes that bring air to the lungs), resulting in overproduction of mucus. Whooping cough is on the rise because ... A. fewer children are getting vaccinations and then boosters every 10 years B. even a fully vaccinated person can catch the disease C. babies too young to receive the vaccine are at high risk of catching whooping cough D. All of the above The correct answer is D. All of the above In recent years, between 10,000 and 40,000 cases of whooping cough have been reported annually nationwide. Previous Next Related Video Watch on YouTube - Respiratory Virus Season: Preventing the Flu, Covid-19 and RSV Learn More About Respiratory Illnesses