MRCP UK EXAMINATIONS

NEUROLOGY

SURGERY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Inhibits pain pathways and can control sleep
A
Dopamine
B
Norepinephrine
C
Serotonin
D
Acetylcholine
Explanation: 

Detailed explanation-1: -GABA is an inhibitory neurotransmitter in the CNS that reduces neuronal excitability and regulates muscle tone. GABA is involved in pain modulation by regulating the transmission of nociceptive signals through the activation of GABA receptors located on primary afferent terminals and in the dorsal horn [88].

Detailed explanation-2: -Serotonin regulates food intake, appetite, gastrointestinal, endocrine, pulmonary, cardiac, urogenital systems and vascular biology. Serotonin has a major role in modulating pain perception.

There is 1 question to complete.