In an Animal Experiment the Levels of Various Endogenous Compounds

question 226

Multiple Choice

In an animal experiment the levels of various endogenous compounds are measured in the spinal fluid after application of noxious stimuli.  One of the compounds that increase as a result of the experiment is a pentapeptide with a strong affinity to delta- and mu-receptors.  Which of the following substances is most likely to have a common molecular origin with the pentapeptide described above?

• A)Prolactin
• B)TSH
• C)ACTH
• D)Growth hormone
• E)Vasopressin
• F)Somatomedin C

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