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Imagine someone ingests a medication that prevents adrenaline from binding to beta receptors. What would likely happen if this person experienced a stressful situation that triggered their “fight or flight” response while taking this medication? Select all that apply.ResponsesThe heart will not beat as quickly as it usually would during a "fight or flight" response.The heart will not beat as quickly as it usually would during a "fight or flight" response.Smooth muscles in the gastrointestinal tract would contract.Smooth muscles in the gastrointestinal tract would contract.Phospholipase C will become less active than it typically is during a "fight or flight" response.Phospholipase C will become less active than it typically is during a "fight or flight" response.The adenynyl cyclase enzyme would become highly active.

Question

Imagine someone ingests a medication that prevents adrenaline from binding to beta receptors. What would likely happen if this person experienced a stressful situation that triggered their “fight or flight” response while taking this medication? Select all that apply.ResponsesThe heart will not beat as quickly as it usually would during a "fight or flight" response.The heart will not beat as quickly as it usually would during a "fight or flight" response.Smooth muscles in the gastrointestinal tract would contract.Smooth muscles in the gastrointestinal tract would contract.Phospholipase C will become less active than it typically is during a "fight or flight" response.Phospholipase C will become less active than it typically is during a "fight or flight" response.The adenynyl cyclase enzyme would become highly active.

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Solution

The "fight or flight" response is a physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival. This response is triggered by the release of hormones, including adrenaline (also known as epinephrine), which prepare the body for a vigorous action.

  1. The heart will not beat as quickly as it usually would during a "fight or flight" response: This is likely to happen. Beta receptors, when activated by adrenaline, increase the heart rate. If a medication prevents adrenaline from binding to these receptors, the heart rate would not increase as much during a stressful situation.

  2. Smooth muscles in the gastrointestinal tract would contract: This is unlikely to happen. During the "fight or flight" response, the body prioritizes functions that are essential for immediate survival and typically inhibits processes like digestion. If adrenaline cannot bind to beta receptors, this inhibition might not occur, potentially leading to less contraction of the smooth muscles in the gastrointestinal tract.

  3. Phospholipase C will become less active than it typically is during a "fight or flight" response: This could happen. Phospholipase C is part of a signaling pathway that can be activated by certain beta receptors. If adrenaline cannot bind to these receptors, Phospholipase C might not become as active as it usually would during a "fight or flight" response.

  4. The adenylate cyclase enzyme would become highly active: This is unlikely to happen. Adenylate cyclase is activated when adrenaline binds to beta receptors. If a medication prevents this binding, adenylate cyclase would not become as active.

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