The innermost meningeal layer that rests directly on the brain and spinal cord is the:
A) cortex.
B) arachnoid.
C) pia mater.
D) dura mater.
Answer: C) pia mater.
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Indicate whether the statement is true or false
The proportion of collagen to hydroxyapatite in bone determines the
A. thickness of the bone. B. strength of the bone. C. growth rate of bone. D. ability of the bone to heal. E. length of the bone.
T4 and T3 are ________ hormones that are mainly transported ________ in the blood
A) steroid; bound to transcortin-binding protein (TBP) B) monoamine; bound to thyroxine-binding globulin (TBG) C) monoamine; unbound (free) D) catecholamine; bound to thyroxine-binding globulin (TBG) E) steroid; unbound (free)
________ are the interconnected bony plates in spongy bone.
A. Trabeculae B. Lamellae C. Canaliculi D. Lacunae