1.
All bacteria are harmful. Is this true or false?
Correct Answer
B. False
Explanation
False. This statement is not true because not all bacteria are harmful. While some bacteria can cause diseases and infections, there are also many beneficial bacteria that play important roles in our bodies and the environment. For example, certain bacteria help with digestion, produce vitamins, and break down waste. Therefore, it is incorrect to claim that all bacteria are harmful.
2.
How long can microbes stay alive on your hands?
Correct Answer
B. Up to 3 hours
Explanation
Microbes can stay alive on your hands for up to 3 hours. This means that if you come into contact with microbes, such as bacteria or viruses, they can survive on your hands for a significant amount of time before they die off. It is important to regularly wash your hands to prevent the spread of these microbes to yourself or others.
3.
How is the common cold (rhinovirus) spread?
Correct Answer
D. All of the above
Explanation
The common cold (rhinovirus) can be spread through various means. Tiny droplets in the breath and sneezes can carry the virus and infect others who come into contact with these droplets. The virus can also be spread through contaminated surfaces, where the virus can survive for a short period of time. Direct person-to-person contact, such as shaking hands or hugging, can also transmit the virus. Therefore, all of the above options are correct in terms of how the common cold (rhinovirus) can be spread.
4.
You should wash your hands ________ petting animals.
Correct Answer
after
Explanation
Washing your hands after petting animals is important because animals can carry germs and bacteria that can be harmful to humans. By washing your hands after petting animals, you can help prevent the spread of these germs and keep yourself and others safe and healthy.
5.
You should wash your hands ________ eating and cooking.
Correct Answer
before
Explanation
Washing hands before eating and cooking is important to remove any dirt, bacteria, or other contaminants that may be present on the hands. This helps to prevent the transfer of these harmful substances to the food, reducing the risk of foodborne illnesses. Additionally, washing hands before handling food helps to maintain good personal hygiene and promote overall cleanliness in the kitchen.
6.
What do antibiotics do?
Correct Answer
C. Kill harmful bacteria
Explanation
Antibiotics are medications that are specifically designed to kill harmful bacteria in the body. They are not effective against viruses, such as those that cause the common cold or flu. Antibiotics work by targeting and destroying the harmful bacteria, helping to eliminate the infection and promote healing. It is important to note that antibiotics do not kill all microbes, as they are selective in their action and only target specific types of bacteria.
7.
If you have been prescribed antibiotics you should
Correct Answer
A. Finish the full course of antibiotics
Explanation
It is important to finish the full course of antibiotics because even if the symptoms of the infection have cleared up, there may still be some bacteria remaining in the body. By completing the full course, it ensures that all the bacteria are eliminated, reducing the risk of the infection returning or developing antibiotic resistance. Stopping the antibiotics prematurely can lead to incomplete treatment and potential complications.
8.
Why is it important to use soap when washing your hands?
Correct Answer
A. Soap removes the oils on your hands
Explanation
It is important to use soap to remove oils from your hands as microbes can stick to the oils.
9.
You should only use antibiotics that have been prescribed to you by your doctor or nurse. Is this true or false?
Correct Answer
A. True
Explanation
It is important to only use antibiotics that have been prescribed by a doctor or nurse because they are trained professionals who can accurately diagnose and prescribe the appropriate antibiotic for a specific infection. Taking antibiotics without a prescription can lead to misuse or overuse, which can result in antibiotic resistance and ineffective treatment in the future. Additionally, using antibiotics that are not prescribed for you can cause potential side effects and allergic reactions. Therefore, it is essential to follow medical advice and only use antibiotics that have been prescribed to you.