MCQ IN MEDICINE

Detailed explanation-1: -Many different respiratory viruses can cause the common cold, but rhinoviruses are the most common. Rhinoviruses can also trigger asthma attacks and have been linked to sinus and ear infections.

Detailed explanation-2: -The pathogens most frequently associated with common cold symptoms are the rhinoviruses that cause approximately half of all colds (Table 58-1 ). Other important pathogens include the coronaviruses and respiratory syncytial virus (RSV).

Detailed explanation-3: -What Is a Cold? Colds are minor infections of the nose and throat caused by more than 200 different viruses. Rhinovirus is the most common cause, accounting for 10 to 40 percent of colds. Other common cold viruses include coronavirus and respiratory syncytial virus (RSV).

Detailed explanation-4: -The common cold is a viral illness for which the etiology can be shown in most cases. Bacterial coinfections are very rare.

Detailed explanation-5: -The name “cold” came into use in the 16th century, due to the similarity between its symptoms and those of exposure to cold weather. In the United Kingdom, the Common Cold Unit (CCU) was set up by the Medical Research Council in 1946 and it was where the rhinovirus was discovered in 1956.