PATHOLOGY MCQ
NERVOUS SYSTEM
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Sympathetic
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Parasympathetic
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Either A or B
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None of the above
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Detailed explanation-1: -Your sympathetic nervous system is best known for its role in responding to dangerous or stressful situations. In these situations, your sympathetic nervous system activates to speed up your heart rate, deliver more blood to areas of your body that need more oxygen or other responses to help your get out of danger.
Detailed explanation-2: -In the heart (beta-1, beta-2), sympathetic activation causes an increased heart rate, the force of contraction, and rate of conduction, allowing for increased cardiac output to supply the body with oxygenated blood.
Detailed explanation-3: -Sympathetic nervous system: Ths division regulates the flight-or-fight responses. The sympathetic system also performs such tasks as relaxing the bladder, speeding up heart rate, and dilating eye pupils.