Question

Which of the following can make you ill, if you come in contact with an infected person?

• A. High blood pressure
• B. Genetic abnormalities
• C. Sneezing
• D. Blood cancer

Answer 1

The correct option is C Sneezing

• The nasal and other passages of the upper respiratory tract are lined with ciliated cells that secrete mucus. The mucus traps foreign particles such as dust and bacteria, while the continuous beating of the cilia helps to propel this material back into the nose and throat where it can be expelled by coughing or sneezing.
• When we catch a cold, more mucus is secreted, which is why we have a running nose when suffering from the cold.
• When suffering from some respiratory system disease, the disease-causing bacteria may be present in cough or sputum and may spread by small droplets expelled during sneezing.

So the correct answer is option C.