Mark the following statements as true or false. If a statement is false, correct is to make a true statement.
Subunit vaccines consist of pathogens that are alive but unable to cause disease.

Verified step by step guidance

Step 1: Understand the concept of subunit vaccines. Subunit vaccines contain only specific parts of a pathogen, such as proteins or polysaccharides, that stimulate an immune response. They do not include live pathogens.

Step 2: Compare subunit vaccines to other types of vaccines, such as live attenuated vaccines. Live attenuated vaccines consist of pathogens that are alive but weakened, meaning they are unable to cause disease in healthy individuals.

Step 3: Evaluate the statement provided. The statement claims that subunit vaccines consist of pathogens that are alive but unable to cause disease. This description matches live attenuated vaccines, not subunit vaccines.

Step 4: Determine the truth value of the statement. Based on the comparison, the statement is false because subunit vaccines do not contain live pathogens.

Step 5: Correct the false statement. A true version of the statement would be: 'Subunit vaccines consist of specific parts of a pathogen, such as proteins or polysaccharides, and do not include live pathogens.'

Verified video answer for a similar problem:

This video solution was recommended by our tutors as helpful for the problem above.

Was this helpful?

Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Subunit Vaccines

Subunit vaccines are a type of vaccine that contains only specific pieces of the pathogen, such as proteins or sugars, rather than the whole organism. This approach helps to stimulate an immune response without the risk of causing disease, as these components are not live pathogens.

Live Attenuated Vaccines

Live attenuated vaccines use a weakened form of the pathogen that can still replicate but does not cause disease in healthy individuals. This type of vaccine is different from subunit vaccines, as it involves live organisms, albeit in a form that is less virulent.

Immune Response

The immune response is the body's defense mechanism against pathogens, involving the activation of immune cells and the production of antibodies. Vaccines, including subunit vaccines, aim to train the immune system to recognize and combat specific pathogens without causing illness.

Recommended video: