A new vaccine utilizes a genetically engineered virus-like particle (VLP) displaying a highly conserved epitope from a bacterial pathogen. This VLP does not contain any viral genetic material. Which of the following immune responses is LEAST likely to be induced by this vaccine?
Humoral immunity with the production of neutralizing antibodies.
Activation of B cells and their differentiation into plasma cells.
Cell-mediated immunity targeting infected host cells.
Activation of antigen-presenting cells like dendritic cells.
Related Questions
A booster dose of a vaccine is given to:
Treat the disease
Enhance the immune response
Cause the disease
Weaken the immune system
A vaccine that utilizes a genetically modified harmless virus to deliver antigens from a pathogenic virus is an example of a:
Subunit vaccine
Toxoid vaccine
Viral vector vaccine
Inactivated vaccine
Which of the following is NOT a mechanism by which adjuvants enhance vaccine efficacy?
Creating a depot effect, prolonging antigen release.
Stimulating the innate immune response.
Enhancing antigen presentation by antigen-presenting cells.
Directly neutralizing the pathogen.
Which type of immunity is conferred by the administration of a vaccine?
Passive natural immunity
Active acquired immunity
Passive acquired immunity
Active natural immunity
A new vaccine utilizes a genetically engineered virus-like particle (VLP) displaying a highly conserved epitope from a bacterial pathogen. This VLP does not contain any viral genetic material. Which of the following immune responses is LEAST likely to be induced by this vaccine?
Humoral immunity with the production of neutralizing antibodies.
Activation of B cells and their differentiation into plasma cells.
Cell-mediated immunity targeting infected host cells.
Activation of antigen-presenting cells like dendritic cells.
Which of the following statements is INCORRECT regarding the role of adjuvants in vaccines?
They enhance the immunogenicity of the vaccine.
They prolong the antigen persistence at the injection site.
They stimulate the innate immune response.
They directly neutralize the pathogen.
Vaccines provide immunity by:
Stimulating the production of antibodies
Killing the pathogens directly
Providing passive immunity
Suppressing the immune system
Which of the following is a benefit of vaccination?
Increased susceptibility to infections
Herd immunity
Development of antibiotic resistance
Weakening of the immune system
Conjugate vaccines are particularly effective against pathogens with which characteristic?
Protein coats that readily elicit a strong immune response.
Intracellular life cycle requiring cell-mediated immunity.
Polysaccharide capsules that are poorly immunogenic in young children.
Rapid mutation rates leading to antigenic drift.
The original antigenic sin phenomenon can hinder the effectiveness of vaccination against rapidly evolving viruses. Which of the following best describes this phenomenon?
The vaccine inadvertently induces an autoimmune response.
The pathogen develops resistance to the vaccine-induced antibodies.
The immune system preferentially utilizes memory cells against previously encountered strains, even if they are not a perfect match for the current strain.
The vaccine fails to induce a strong enough primary immune response.
