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单项选择题

All of the following cell types are found in the brain EXCEPT

A．Purkinje cells
B．Stellate cells
C．Schwann cells
D．Small granule cells
E．Pyramidal cells

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单项选择题A nephron includes all of the following components EXCEPT

A．A renal corpuscle
B．A distal convoluted tubule
C．A thin limb of the loop of Henle
D．A collecting tubule
E．Pars recta of the proximal tubule

单项选择题Renal filtration barrier consists of all of the following components EXCEPT

A．The fenestrated endothelium of the glomerular capillaries
B．The basal lamina
C．The filtration slits with diaphragms between pedicels
D．Medullary rays
E．Renal capsule

单项选择题Which of the following statements about Langerhans’ cells is TRUE

A．They commonly are found in the dermis
B．They function as sensory mechanoreceptors
C．They function as receptors for cold
D．They play an immunologic role in the skin
E． They are of epithelial origin

单项选择题The blood-gas barrier in alveoli may include each of the following EXCEPT

A．cytoplasm of a type Ⅱpneumocyte
B．basal lamina of type Ⅰalveolar cells
C．cytoplasm of a type Ⅰpneumocyte
D．endothelium of a continuous capillary
E．basal lamina of an endothelial cell

单项选择题Which of the following statements concerning adrenal parenchymal cells is TRUE

A．Those of the zona fasciculate produce androgens
B．Those of the adrenal medulla produce epinephrine and norepinephrine
C．Those of the zona glomerulosa produce glucocorticoids
D．Those of the cortex contain numerous secretory granules
E．Those of the adrenal medulla produce glucocorticoids