Autoantibodies are
A) produced by activated T cells.
B) produced during an allergic reaction.
C) directed against the body's own antigens.
D) the first step in immunological competence.
E) important in tissue rejection reactions.
Answer: C
You might also like to view...
Homeostasis is maintained by which three mechanisms?
A. Vascular spasm , platelet plug , fibrin clots B. Von Willebrand's factor, fibrin, platelets C. Factor VIll, factor VIl, factor II Xp. D. Fibrin, platelets, hemoglobin
Where do some preganglionic fibers that travel via the pelvic nerves synapse?
A. Prevertebral ganglia B. The hypogastric plexus C. Sympathetic chain ganglia D. The sacral plexus E. The abdominal aortic plexus
Bone is ________ and contains mainly ________ nerves.
A. avascular; motor B. highly vascularized; sensory C. highly vascularized; motor D. avascular; sensory
From which primary germ layer is the heart derived?
A. Mesoderm B. Ectoderm C. Endoderm