The first line of cellular defense against pathogens are the ________.
A) B lymphocytes.
B) phagocytes.
C) T lymphocytes.
D) plasma cells.
E) NK cells.
B) phagocytes.
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A term having the opposite meaning of internal is ___________________.
Fill in the blank(s) with the appropriate word(s).
Which layer of the epidermis is composed of a single row of cuboidal or columnar keratinocytes?
a) Stratum basale b) Stratum spinosum c) Stratum granulosum d) Stratum lucidum e) Stratum corneum
Preganglionic neurons of the autonomic nervous system are located in
A) the brain. B) the lateral gray horns of the spinal cord. C) the posterior gray horns of the spinal cord. D) both the brainstem and the lateral gray horns of the spinal cord. E) the cerebrum.
If a client has a condition called orthopnea, this means that she _____.?
A) ?experiences painful breathing B) ?breathes too slowly to inhale sufficient air C) ?breathes rapidly and shallowly D) ?has difficulty breathing when she is lying down