Question

When an individual is frightened, which of the following systems will cause his heartbeat to become faster?

Parasympathetic nervous system

Sympathetic nervous system

Central nervous system

Sensory nervous system

Posted under IC22 Life Insurance Underwriting

Answer: (b).Sympathetic nervous system Explanation:The sympathetic nervous system is involved in the fight or flight response which is triggered when an individual is frightened. When activated, the sympathetic system increases the heart rate, which in turn helps to pump more blood to the body's muscles and organs, preparing them for action. The parasympathetic system, on the other hand, has the opposite effect and slows down heart rate. The central nervous system is not directly involved in controlling the heart rate, but rather it receives sensory input from the peripheral nervous system and sends out motor responses to the body. The sensory nervous system is responsible for transmitting sensory information from the body to the central nervous system and is not directly involved in controlling heart rate.

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Q. When an individual is frightened, which of the following systems will cause his heartbeat to become faster?

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