目前已发现histamine受体有、和三种受体亚型
目前已发现histamine受体有、和三种受体亚型
Both phentolamine and prazosin A: are competitive antagonist at α1 adrenergic receptors B: have potent direct vasoconstrictor actions on vascular smooth muscle C: enhance gastric acid secretion through a histamine -like effect D: cause hypotension and bradycardia E: are used chronically for the treatment of primary hypertension
Both phentolamine and prazosin A: are competitive antagonist at α1 adrenergic receptors B: have potent direct vasoconstrictor actions on vascular smooth muscle C: enhance gastric acid secretion through a histamine -like effect D: cause hypotension and bradycardia E: are used chronically for the treatment of primary hypertension
Which of the following statements about inflammatory cells are INCORRECT? A: Lymphocytes are the most prominent inflammatory cells in viral infection B: Neutrophils are the most prominent inflammatory cells in acute inflammation C: Lymphocytes, together with plasma cells and eosinophils, are the most prominent inflammaroty cells in chronic inflammation D: Mast cells and basophils are sources of histamine E: Basophils are the predominant inflammatory cells in allergic reactions
Which of the following statements about inflammatory cells are INCORRECT? A: Lymphocytes are the most prominent inflammatory cells in viral infection B: Neutrophils are the most prominent inflammatory cells in acute inflammation C: Lymphocytes, together with plasma cells and eosinophils, are the most prominent inflammaroty cells in chronic inflammation D: Mast cells and basophils are sources of histamine E: Basophils are the predominant inflammatory cells in allergic reactions