单项选择题

A．Its growth rate is increased by testosterone and thyr……

Which one of the following statements regarding cartilage is FALSE

A．Its growth rate is increased by testosterone and thyroxine
B．Its growth rate is decreased by cortisone and estradiol
C．Fibrocartilage is the cartilage model in endochondral bone formation
D．The matrix of elastic cartilage is identical to that of hyaline cartilage except that it contains elastic fibers
E．Hyaline cartilage is the cartilage model associated with endochondral bone formation.

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单项选择题All of the following cells arise from cells arise from undifferentiated mesenchymal cells within connective tissue and remain there permanently EXCEPT？

A．pericytes
B．eosinophils
C．fibrolasts
D．osteoblasts
E．adipocytes

单项选择题Which of the following statements concerning the epicardium is TRUE

A．It is continuous with the endocardium
B．It is the visceral pericardium
C． It possesses modified cardiac muscle cells
D．It functions to increase intraventricular pressure
E．It possesses cardiac muscle cells

单项选择题.Energy production in mature erythrocytes is accomplished by which one of the following

A．Glycolytic pathway
B．Mitochondria
C．Electron transport system
D．Citric acid cycle (Krebs cycle)
E．Golgi complex

单项选择题The axon hillock contains

A．rough endoplasmic reticulum
B．ribosomes
C．microtubules
D．Golgi complex
E．synaptic vesicles

单项选择题Which one of the following statements regarding osteocytes is FALSE

A．They communicate with each other via haversian canals
B．They live for a long time
C．They possess long cytoplasmic processes
D．They are housed in their own lacunae
E．Osteocytes communicate with each other via narrow cytoplasmic processes that extend through canaliculi.