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

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热门试题

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

单项选择题Circulating antibodies are synthesized and secreted by which of the following cells

A．T memory cells
B．B memory cells
C．T helper cells
D．Plasma cells
E．T cytotoxic cells

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

A． They are continuous with bile canaliculi
B．They are surrounded by a well developed basal lamina
C．They are lined by nonfenestrated endothelial cells
D．They deliver blood to the central vein
E．They deliver blood to portal vein