The right atrioventricular valve (tricuspid) regulates the opening between the ________ and the ________
A) right atrium; left ventricle
B) right atrium; right ventricle
C) left ventricle; right ventricle
D) left atrium; left ventricle
E) right atrium; left atrium
B
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The primary function of the pericardial fluid is to provide ________ between the pericardial membranes.
A) friction B) impulse stimulation C) pressure D) perforation E) lubrication
Which process prepares glutamic acid for use in energy production?
A. Protein synthesis B. Oxidative deamination C. Ketogenesis D. Transamination
Many autonomic visceral effector organs can function without nervous innervation.
Answer the following statement true (T) or false (F)
During the process of endochondral ossification, chondrocytes in the cartilage model die. Why does this occur?
A. Blood supply to the cartilage is cut off by the developing periosteum. B. Canaliculi connecting adjacent chondrocyte lacunae fuse. C. Phagocytic osteoclasts in the new bone engulf and destroy the chondrocytes. D. The developing bone collar secretes enzymes that destroy the chondrocytes. E. Nutrients cannot diffuse to the chondrocytes through the calcified matrix.