Anatomy & Physiology Chapter 22 Homework Questions
Which of the following induces the production of a specific antibody?
Antigen
Which class of cells includes macrophages, B cells and dendritic cells?
Antigen presenting cells
Which cell must be activated in order to achieve virtually all cell mediated immune responses?
Helper T cells
Which cells display CD4 proteins and interact with MHC Class II antigens?
Helper T cells
Which anti-microbial substances reduce viral replication in uninfected cells?
Interferons
What is the major difference between lymph and interstitial fluid?
Location
Which of the following cells exists in the greatest variety in the immune system?
Lymphocyte
Which of these does NOT provide a physical or chemical barrier? Macrophages Saliva Urine Mucus Stratified squamous epithelium
Macrophages
Which of the following is NOT a function of the lymphatic and immune system?
Maintaining water homeostasis in the body
Which of the following is NOT a sign of inflammation?
Mucus production
Exposure to an infectious agent during your day-to-day activities leads to
Naturally acquired active immunity
Which type of adaptive immunity will result from mother-to-baby IgA transfer via breast feeding?
Naturally acquired passive immunity
Which of the following is NOT considered an organ of the immune system?
Pancreas
Lymphatic capillaries, because of their greater permeability than blood capillaries, can readily absorb which molecules that are NOT easily absorbed by blood capillaries?
Proteins/lipids
Which of the following is a function of the spleen?
Removes worn out blood cells
To become activated, which of the following requires being bound to a foreign antigen AND simultaneous costimulation?
T cell
The left subclavian vein receives lymph from the
Thoracic duct
Which of the following can stimulate artificially acquired active immunity?
administration of a vaccine or administration of a toxin that has been heat treated to inactivate it
The level of thymic hormones
is the highest in childhood
An individual in a coma who is not able to move, will most likely have a reduction in activity of the
skeletal muscle pump
