A-IPC Exam Study Questions and Answers
Guide | Verified | A+
• Basic measure of infectivity -✓✓Minimum number of infectious particles
required to establish infection
• secondary attack rate -✓✓Proportion of susceptible individuals who develop
infection after exposure to
• Pathogenicity -✓✓the ability of a microbial agent to induce disease
• Virulence -✓✓Severity of disease after infection occurs
• case fatality rate -✓✓Proportion of clinical cases that develop severe disease
• Measure of virulence -✓✓Case fatality rate
• Measure of infectivity -✓✓secondary attack rate
• Immunogenicity -✓✓Ability of an organism to produce an immune response after
an infection that is capable of providing protection against reinfection with the
same or similar organism
• Binding antibodies -✓✓Antibody that reacts to non-neutralizing antigens (or
epitopes) of the organism of previous or current infection but doesn't provide
immunity to organism or terminate an ongoing infection
• inapparent infection -✓✓Infection in an asymptomatic person
• B lymphocytes (B cells) -✓✓Immune cell type responsible for humoral
immunity, and produce immunoglobulins
• IgM antibodies -✓✓First antibody produced in response to infection.
• IgG antibodies -✓✓the most prevalent in serum; provide naturally acquired
passive immunity
Guide | Verified | A+
• Basic measure of infectivity -✓✓Minimum number of infectious particles
required to establish infection
• secondary attack rate -✓✓Proportion of susceptible individuals who develop
infection after exposure to
• Pathogenicity -✓✓the ability of a microbial agent to induce disease
• Virulence -✓✓Severity of disease after infection occurs
• case fatality rate -✓✓Proportion of clinical cases that develop severe disease
• Measure of virulence -✓✓Case fatality rate
• Measure of infectivity -✓✓secondary attack rate
• Immunogenicity -✓✓Ability of an organism to produce an immune response after
an infection that is capable of providing protection against reinfection with the
same or similar organism
• Binding antibodies -✓✓Antibody that reacts to non-neutralizing antigens (or
epitopes) of the organism of previous or current infection but doesn't provide
immunity to organism or terminate an ongoing infection
• inapparent infection -✓✓Infection in an asymptomatic person
• B lymphocytes (B cells) -✓✓Immune cell type responsible for humoral
immunity, and produce immunoglobulins
• IgM antibodies -✓✓First antibody produced in response to infection.
• IgG antibodies -✓✓the most prevalent in serum; provide naturally acquired
passive immunity
