Quiz on Physiology of Pain

What is the primary sensation associated with pain?

• Neutral

• Unpleasant

• Pleasant

• Euphoric

Which type of pain originates from internal organs?

• Referred Pain

• Somatic Pain

• Visceral Pain

• Neuropathic Pain

What is the main neurotransmitter associated with fast pain sensation?

• Glutamate

• Serotonin

• Enkephalins

• Substance P

Which type of pain is characterized by a burning sensation?

• Chronic Pain

• Acute Pain

• Neuropathic Pain

• Visceral Pain

What is hyperalgesia?

• Decrease in pain sensitivity

• Increase in pain sensitivity

• Pain in a distant area

• Pain without a physical cause

Which pathway transmits fast pain signals?

• Neospinothalamic tract

• Paleospinothalamic tract

• Dorsal column tract

• Corticospinal tract

What type of pain is poorly localized?

• Chronic Pain

• Acute Pain

• Fast Pain

• Slow Pain

Which of the following is a cause of referred pain?

• Chemical stimuli

• Muscle strain

• Direct injury

• Nerve damage

What is the role of bradykinin in pain?

• Stimulates muscle contraction

• Enhances pain sensitivity

• Inhibits pain receptors

• Blocks pain signals

Which structure is involved in the brain's analgesia system?

• Cerebellum

• Thalamus

• Periaqueductal gray

• Hippocampus