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Answer to Question #76413 in Human Anatomy and Physiology for Chloe

Question #76413
Hi! My biology teacher gave us exam revision:


What receptors (listed down below) would be strongly activated during/straight after a “fight or flight” response and why? (related to sympathetic and parasympathetic systems)

- Testosterone receptors expressed by skeletal muscle

- Muscarinic receptors expresses by smooth muscle cells of small intestines

- Beta-adrenergic receptors in cardiac myocytes

- Nicotonic acetylcholine receptors on sweat glands

- Acetylcholine receptors in autonomic ganglia
Expert's answer
Fight or flight response is associated with the release of adrenaline. Therefore, the affected receptors are Beta-adrenergic receptors in cardiac myocytes. Their stimulation by adrenaline leads to faster heartbeats.

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