Immune System Flashcards
Which of the following is responsible for destroying various unhealthy host cells, including those infected with a virus or bacteria?
Dendritic cells
B-cells
T-cells
Natural killer cells
Natural killer cells
Newborn babies are given several types of vaccines in order to protect them from acquiring diseases. Which of the following is responsible for this immunity process?
Passive immunity
Autoimmune disease
Active immunity
Innate immune system
Active immunity
Which of the following is a nonspecific response to tissue damage characterized by redness, pain, heat, swelling and loss of function in the injured area?
Antibody-mediated immunity
Cell-mediated immunity
Inflammation
Passive immunity
Inflammation
T-lymphocytes mature and become functional in which of the following organs?
Spleen
Bone marrow
Lymph nodes
Thymus
Thymus
Which of the following is the function of lymph nodes?
Synthesis of hemoglobin
Production of white blood cells
Filter fluid from intercellular spaces and remove foreign substances and debris
Filter blood and remove foreign substances and debris
Filter fluid from intercellular spaces and remove foreign substances and debris
Which of the following may occur after damage to the spleen?
Excessive loss of blood
Loss of clotting ability
Immediate maturation of red blood cells
Deactivation of white blood cells
Excessive loss of blood
Which of the following components of the immune system is responsible for engulfing bacteria and cellular debris?
Macrophages
Interferons
Pathogens
Vaccines
Macrophages
Which of the following describes passive immunity?
Exposure to an actual disease that triggers the immune system to produce antibodies to attack that disease
Activation of B and T lymphocytes and production of memory lymphocytes
Temporary immunity brought by introduction of antibodies to a disease from another person
Exposure to a killed or weakened form of the disease organism which triggers production of antibodies
Temporary immunity brought by introduction of antibodies to a disease from another person
Activation of B and T lymphocytes and production of memory lymphocytes are specific cellular responses by which of the following?
Antibody-mediated immunity
The internal aspect of the innate immune system
Passive immunity
The internal aspect of the adaptive immune system
The internal aspect of the adaptive immune system
Which of the following antigen-specific immune cells produce cytokines, which facilitate various immune reactions?
Helper T-cell
Cytotoxic T-cell
Macrophage cell
B-cell
Helper T-cell
Which of the following is described as an abnormal functioning of the immune system where immune cells attack molecular components of the body’s own organs?
Autoimmune disease
Phagocytosis
Vaccine
Cell-mediated immunity
Autoimmune disease
Vibrio cholerae is a bacteria that causes the disease cholera. Disease-causing agents such as V. cholerae is referred to as a(n) ___________________.
Vaccine
Commensal microorganism
Interferon
Pathogen
Pathogen
Which of the following is a characteristic of the innate immune system?
Its response develops more slowly
It develops immunity to specific pathogens
It is acquired after birth
It consists of non-specific barriers and cellular responses
It consists of non-specific barriers and cellular responses
Which of the following is/are responsible for producing antibodies?
Helper T-cells
Cytotoxic T-cells
B-cells
Histamine
B-cells
Which of the following shows a relationship between the immune system and another system of the body?
Introduction of antibodies through breastfeeding
Dilation of blood vessels in response to histamine
Phagocytosis of pathogens by macrophages
Destruction of a pathogen by the hydrochloric acid in the stomach
Destruction of a pathogen by the hydrochloric acid in the stomach
