A. Endocrine effect
B. Paracrine effect
C. Autocrine effect
D. None of the above
# All of the following are autocoids except:
A. Histamine
B. Eicosanoids
C. Serotonin
D. Insulin
# The following is believed to be a second hormonal messenger in many tissues.
A. Cyclic AMP
B. Prostaglandins
C. Calcium ions
D. Adenyl cyclase
# Drug receptors for steroids are present in the:
A. Nuclear chromatin
B. Cell membrane
C. Cytoplasm
D. Nucleus