Which condition is the protrusion of the nucleus pulposus posteriorly or into one of the adjacent vertebral bodies in the vertebral column?
a) herniated disc
b) scoliosis
c) kyphosis
d) lordosis
e) spina bifida
a
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The plasma membrane of a skeletal muscle fiber is called the ______________
Fill in the blank with correct word.
Which of the following statements is a false or incorrect statement?
A) The lymphoid organs where lymphocytes become immunocompetent are called primary lymph organs. All other lymphoid organs are referred to as secondary lymphoid organs. B) It is our genes, not antigens, that determine what specific foreign substances our immune system will be able to recognize and resist. C) After becoming immunocompetent, the naive T cells and B cells are exported to the bone marrow where the encounters with antigens occur. D) T cells and B cells become fully immunocompetent when they bind with recognized antigens.
The cephalic vein is a good site for a subcutaneous injection
Indicate whether the statement is true or false
B cells prepare for activation by presenting an antigen bound to Class II MHC proteins in a process called
A) sensitization. B) apoptosis. C) opsonization. D) differentiation. E) customization.