The perineum consists of an anterior
A. ischial tuberosity and a posterior anal ellipse.
B. urethral orifice and a posterior pubic crest.
C. false pelvis and a posterior true pelvis.
D. urogenital triangle and a posterior anal triangle.
E. pubic quadralateral and a posterior anal rhombus.
D
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You have just been prescribed a drug that inhibits antibody production. Which other functions of the immune response may also be affected?
A. Complement B. Inflammation C. Cytokine secretion by helper T cells D. None of these E. Phagocytosis
Bones grow longitudinally to lengthen.
Answer the following statement true (T) or false (F)
Water has the ability to dissolve polar covalent molecules like sucrose by
A) forming hydration spheres around the molecule. B) pulling atoms out of the molecule and into solution. C) creating crystals of positively and negatively charged atoms. D) taking electrons from the polar covalent molecule. E) ionization.
The "fight-or-flight" system is the ________ nervous system.
A. somatic B. sympathetic C. parasympathetic