A typical antibody has... - Answer-two antigen recognition sites located on the Fab fragment
True or False: Cytokines are intercellular mediators that allow immune cells to communicate with each other - Answer-True
What is the function of the spleen? - Answer-Filters blood for pathogens
Th...
MCB 3020 Exam Questions and Answers
(Verified)
A typical antibody has... - Answer-two antigen recognition sites located on the Fab
fragment
True or False: Cytokines are intercellular mediators that allow immune cells to
communicate with each other - Answer-True
What is the function of the spleen? - Answer-Filters blood for pathogens
The body's negative allergic response to a blood transfusion is an example of
__________ hypesensitivity - Answer-Type II
A patient who has high levels of interferons in his or her blood serum is likely to have a
_________ infection - Answer-viral
B cells... - Answer-originate in the bone marrow and are activated in the lymph nodes
How do you describe agglutination? - Answer-Antibodies binding to insoluble bacterial
cell antigens, causing them to clump up
True or False: Antigens are typically small, simple molecules - Answer-False
What do monocytes, macrophages, neutrophils and dendritic cells have in common? -
Answer-They are all phagocytic cells
Which of the following is NOT a lymphocyte?
a. T cells
b. B cells
c. Monocytes
d. Natural killer cells
e. More than one of these - Answer-Monocytes
True or False: The lymph nodes are pea-sized organs located throughout the lymphatic
system. They filter the blood for the presence of infection (antigens). - Answer-False.
The spleen filters the blood.
How would you describe opsonization? - Answer-Covering the pathogen with serum
components to mark it for phagocytosis
The passage of a mother's antibodies to a fetus is an example of... - Answer-natural,
passive immunity
, Cross-linking between bacterial cell antigens is a part of... - Answer-agglutination
Which of the following is NOT a granulocyte?
a. Neutrophils
b. mast cells
c. B cells
d. eosinophils
e. basophils - Answer-B cells
How would you best describe humoral immunity? - Answer-acquired immunity against
extracellular pathogens
What is the first antibody produced during an immune response? - Answer-IgM
Human globulin therapy conveys... - Answer-artificial, passive immunity
How would you best describe precipitation? - Answer-Antibodies binding to soluble
bacterial cell antigens, causing the formation of a heavy network of molecules
Which of these is an example of a primary lymphatic tissue or organ?
a. None of these
b. Peyer's patches
c. lymph nodes
d. spleen
e. tonsils - Answer-none of these
Histoplasmosis and pneumocystis pneumonia (PCP) are respiratory illnesses caused
by... - Answer-fungi
Which type of hepatitis is NOT typically acquired through transmission of blood and
blood-derived bodily fluids. - Answer-Hepatitis A
Streptococcus pyogenes bacteria are BEST described as - Answer-gram positive cocci
True or False: Mad cow disease is caused by a virus - Answer-False. it is caused by a
prion
How is Lyme disease typically transmitted to humans - Answer-ticks
True or False: one aspect of epidemiology is actually treating patients that have the
disease - Answer-false
HIV's major impact on the body's specific immune response is to... - Answer-reduce
CD4 blood counts
Isoniazid is a drug that is used to treat... - Answer-tuberculosis
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