Myelin is (a)
A) cell body.
B) special cell that protects neurons.
C) mostly lipid.
D) special area of the brain.
E) None of the answers are correct.
C) mostly lipid.
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Differences between a young child's skeleton and that of a small adult include which of the following?
A) There is a large mastoid process in the child skeleton. B) The external auditory meatus is larger in the child. C) In the child's skeleton a frontal suture is present. D) The child skeleton has full dentition. E) All of the answers are correct.
Using the figure below, identify the labeled part.
1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
9) Label I: ______________________________
10) Label J: ______________________________
11) Label K: ______________________________
12) Label L: ______________________________
13) Label M: ______________________________
14) Label N: ______________________________
15) Label O: ______________________________
16) Label P: ______________________________
17) Label Q: ______________________________
18) Label R: ______________________________
19) Label S: ______________________________
A stab wound into the heart can result in cardiac tamponade. This means that
A. the electrical conduction system of the heart is damaged. B. the heart is compressed by blood in the pericardial sac. C. blood enters the pleural cavity. D. the left coronary artery has been damaged or cut. E. the heart has lost all of its blood.
"Segmentation" within the small intestine refers to the
A. back-and-forth motion that mixes chyme with glandular secretions. B. gastroileal reflex that moves materials from the stomach to the large intestine. C. propulsion of material between the segments of the GI tract. D. division of function between the different segments of the small intestine.