The mechanical breakup of food particles in the mouth is called
A. peristalsis.
B. mastication.
C. absorption.
D. salivation.
Answer: B
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All of the following are true of the neural layer of the eye except that it
A) contains ganglion cells. B) contains the photoreceptor cells. C) contains bipolar cells. D) is the innermost layer of the eyeball. E) consists of dense fibrous connective tissue.
A typical spinal nerve has how many connections to the spinal cord?
a) 1 b) 2 c) 3 d) 4 e) 5
Answer the following statements true (T) or false (F)
1 A single layer of thin, flat cells that lines the heart and all blood vessels is called endothelium. 2 A single layer of thin, flat cells that lines the ventral body cavities is called mesothelium. 3 Multiple layers of cells, found where mechanical stresses are severe is called simple cuboidal epithelium. 4 Cuboidal cells resemble little hexagonal boxes, which appear square in typical sectional views. 5 Transitional cells are relatively tall, slender cells with nuclei in a narrow band close to the basement membrane.
During both mandibular protrusion and retrusion, the rotation of the articulating surface of the mandible against the disc in the lower synovial cavity of the TMJ is restricted by the
A. facial muscles. B. infrahyoid muscles. C. muscles of mastication. D. ligaments of the temporomandibular joint.