Which of the following combining forms mean rib?
A. cost/o
B. stern/o
C. orth/o
D. myel/o
Answer: A
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Cancer cells:
A) may exhibit metastasis.
B) have a slower mitotic rate than normal body cells.
C) are indistinguishable from normal body cells.
D) do not spread into other body tissues.
This muscle must be consciously relaxed during defecation in order to decrease the bend of the anorectal junction and permit easy passage of feces through the rectum.
A. Pubococcygeus B. Puborectalis C. Iliococcygeus D. Coccygeus E. External anal sphincter
Which of the following does not affect blood flow through the body?
A) blood viscosity B) vessel diameter C) turbulence D) vascular resistance E) kidney disease
Differences between arterioles and metarterioles include the fact that arterioles
A) allow blood to bypass capillary beds. B) have a continuous smooth muscle layer in their walls. C) have a continuous smooth muscle layer in their walls and allow blood to bypass capillary beds. D) have an endothelial lining. E) All of the answers are correct.