In the figure showing an anterior view of the veins, which number indicates the cephalic vein?
A. 1
B. 2
C. 6
D. 8
E. 4
Answer: D
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What system would suppress the digestive organs during times of greater physical activity?
a. sympathetic b. parasympathetic c. enteric nervous system d. somatic nervous system e. none of these
In addition to storage of white blood cells, the lymphatic system is also responsible for ________
A) Making fluids to support the cardiovascular system B) Producing pathogens to fight infections C) Maturation of some types of red blood cells D) Production of some types of white blood cells
Answer the following statements true (T) or false (F)
1) A muscle of the scalp, with two bellies separated by a collagenous sheet is called occipitofrontalis. 2) A muscle that surrounds the opening of the mouth is orbicularis occuli. 3) A muscle that makes of the lateral walls of the oral cavity is the buccinator. 4) A superficial muscle that covers the anterior surface of the neck is the trapezius. 5) A muscle that is located at the tip of the chin is called mentalis.
What is the significance of the presence of two sets of veins, one superficial and the other deep, in the neck and extremities?
A) There is no known significance for this phenomenon. B) This placement is important in the regulation of the distribution of hormones in the circulation. C) This distribution is important for regulation of body temperature. D) These vessels have a completely different distribution and so must be located far from one another. E) All of the answers are correct.