What is the correct relationship of Schwann cells to the nodes of Ranvier?
A) Schwann cells are located in the nodes of Ranvier.
B) Schwann cells are twice as thick as the nodes of Ranvier.
C) Nodes of Ranvier are gaps between Schwann cells.
D) Nodes of Ranvier are wrapped around the Schwann cells.
C
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A car strikes a tree causing the passenger to strike his forehead against the dashboard. After the impact, the brain bounces back and forth within the skull. Based on the anatomy and physiology of the skull, which one of the following is TRUE?
A) The frontal bone is the thinnest portion of the skull and most easily fractured. B) The brain will not be injured since the flexibility of the skull will absorb the force of the impact. C) The brain will not be injured unless an object on the dashboard penetrates the skull. D) The ridges of the basilar skull can injure the brain as it moves back and forth.
List some cariostatic foods and explain why these foods may provide protection against cavity formation
What will be an ideal response?
____ are disposable pipettes, resembling small drinking straws designed to hold 50 to 75 microliters of blood.
A. Microtubes B. Hemapipettes C. Microhematocrit tubes D. Hematubes
The deposition site for an IA nerve block is superior to the mandibular foramen on the medial surface of the ramus
A) True B) False