A) melatonin
B) calcitonin
C) epinephrine
D) cortisol
Correct Answer: C
Solution :
Epinephrine secreted from the medulla of adrenal gland acts as both, an endocrine hormone and as a neurotransmitter (produced at the ends of sympathetic nerve fibres. Epinephrine as hormone accelerates metabolic rate for preparing us to face emergency situations. As neurotransmitter, it transmits nerve impulse across a synaptic left. Calcitonin is released when \[C{{a}^{2+}}\] level increases, melatonin causes concentration of pigment in melanocytes and cortisol is a glucocorticoid.You need to login to perform this action.
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