A cut dividing the body into upper and lower portions is called a:
a. sagittal section
b. frontal section
c. transverse section
d. coronal section
c. transverse section
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Which part of the spinal cord carries sensory information?
A) Ventral root B) Commissure C) Column D) Dorsal root
The postganglionic axons of sympathetic neurons are ________
A) adrenergic; they release acetylcholine B) cholinergic; they release acetylcholine C) adrenergic; they release norepinephrine D) cholinergic; they release norepinephrine
When the first heart sound is heard, what is occuring with the heart valves?
a. The AV valves are opening. b. The AV valves are closing. c. The semilunar valves are opening. d. The semilunar valves are closing.
The periosteum is secured to the underlying bone by dense connective tissue called ________.
A) Volkmann's canals B) a bony matrix with hyaline cartilage C) perforating (Sharpey's) fibers D) the struts of bone known as spicules