When the immune system creates a response that is overblown in relation to the threat it has been exposed to, the response is called an __________.
A) immunodeficiency.
B) autoimmune response.
C) allergic reaction.
C) allergic reaction.
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A bundle of nerve fibers is surrounded by
A) endoneurium. B) perineurium. C) neurilemma. D) epineurium. E) None of the answers are correct.
The first paired branches of the abdominal aorta are the
A) renal arteries. B) inferior phrenic arteries. C) superior mesenteric arteries. D) common iliac arteries. E) gonadal arteries.
Isotopes of an element have
A) the same atomic number and same atomic weight. B) different atomic numbers but the same atomic weight. C) different atomic numbers and different atomic weights. D) the same atomic number but different atomic weights.
What enters at the vascular pole of the renal corpuscle and brings blood to the glomerulus?
a) vasa recta b) efferent arteriole c) afferent arteriole d) peritubular capillaries