NURS 5315 Immunity EXAM 2025/2026 LATEST UPDATE | 140 COMPREHENSIVE QUESTIONS
WITH 100% RATED ANSWERS
Which of the following is a direct effect of antibodies on antigens?
A) Activation of complement proteins
B) Activation of helper T cells
C) Blocking the attachment of antigens to host cells
D) Stimulating B cell proliferation C) Blocking the attachment of antigens to host cells
What is an indirect effect of antibodies on antigens?
A) Blocking the antigen's receptor site
B) Activating the complement system
C) Neutralizing toxins
D) Binding to pathogens and preventing their movement B) Activating the complement
system
Which of the following is an example of passive immunity?
A) Immunization with a vaccine
B) Recovery from an infection
C) Maternal antibodies passed through breastfeeding
D) Activation of T cells in response to an infection C) Maternal antibodies passed through
breastfeeding
,Which of the following is an example of active immunity?
A) Receiving pre-formed antibodies from another individual
B) Immunization with a vaccine
C) Passive transfer of antibodies through the placenta
D) Maternal antibodies passing to an infant B) Immunization with a vaccine
What is the main difference between active and passive immunity?
A) Active immunity provides immediate protection, while passive immunity provides long-term
protection.
B) Active immunity involves the individual's immune system producing antibodies, while passive
immunity involves the transfer of pre-formed antibodies.
C) Active immunity lasts for only a short period, while passive immunity lasts for years.
D) Active immunity is temporary, while passive immunity is long-lasting. B) Active immunity
involves the individual's immune system producing antibodies, while passive immunity involves
the transfer of pre-formed antibodies.
Which of the following is NOT a characteristic of acquired (adaptive) immunity?
A) High specificity for pathogens
B) Involvement of T cells and B cells
C) Development of memory for rapid response on re-exposure
D) Immediate response to pathogens D) Immediate response to pathogens
, What is the primary function of helper T cells?
A) Directly kill infected cells
B) Stimulate B cells to produce antibodies
C) Suppress the immune response
D) Process and present antigens B) Stimulate B cells to produce antibodies
What is the primary source of passive immunity for a newborn?
A. Maternal antibodies passed through the placenta and breast milk
B. T cells produced by the fetus
C. Active vaccination by the mother
D. Antibodies produced by the newborn's immune system A. Maternal antibodies passed
through the placenta and breast milk
When does the production of T and B cells typically begin in a newborn?
A. At birth
B. 6-8 months after birth
C. 2-4 months after birth
D. At 1 year of age B. 6-8 months after birth
What is the state of leukocytes in newborns?
A. Fully mature and highly functional
WITH 100% RATED ANSWERS
Which of the following is a direct effect of antibodies on antigens?
A) Activation of complement proteins
B) Activation of helper T cells
C) Blocking the attachment of antigens to host cells
D) Stimulating B cell proliferation C) Blocking the attachment of antigens to host cells
What is an indirect effect of antibodies on antigens?
A) Blocking the antigen's receptor site
B) Activating the complement system
C) Neutralizing toxins
D) Binding to pathogens and preventing their movement B) Activating the complement
system
Which of the following is an example of passive immunity?
A) Immunization with a vaccine
B) Recovery from an infection
C) Maternal antibodies passed through breastfeeding
D) Activation of T cells in response to an infection C) Maternal antibodies passed through
breastfeeding
,Which of the following is an example of active immunity?
A) Receiving pre-formed antibodies from another individual
B) Immunization with a vaccine
C) Passive transfer of antibodies through the placenta
D) Maternal antibodies passing to an infant B) Immunization with a vaccine
What is the main difference between active and passive immunity?
A) Active immunity provides immediate protection, while passive immunity provides long-term
protection.
B) Active immunity involves the individual's immune system producing antibodies, while passive
immunity involves the transfer of pre-formed antibodies.
C) Active immunity lasts for only a short period, while passive immunity lasts for years.
D) Active immunity is temporary, while passive immunity is long-lasting. B) Active immunity
involves the individual's immune system producing antibodies, while passive immunity involves
the transfer of pre-formed antibodies.
Which of the following is NOT a characteristic of acquired (adaptive) immunity?
A) High specificity for pathogens
B) Involvement of T cells and B cells
C) Development of memory for rapid response on re-exposure
D) Immediate response to pathogens D) Immediate response to pathogens
, What is the primary function of helper T cells?
A) Directly kill infected cells
B) Stimulate B cells to produce antibodies
C) Suppress the immune response
D) Process and present antigens B) Stimulate B cells to produce antibodies
What is the primary source of passive immunity for a newborn?
A. Maternal antibodies passed through the placenta and breast milk
B. T cells produced by the fetus
C. Active vaccination by the mother
D. Antibodies produced by the newborn's immune system A. Maternal antibodies passed
through the placenta and breast milk
When does the production of T and B cells typically begin in a newborn?
A. At birth
B. 6-8 months after birth
C. 2-4 months after birth
D. At 1 year of age B. 6-8 months after birth
What is the state of leukocytes in newborns?
A. Fully mature and highly functional
