Question

The sympathetic nervous system is responsible for the fight-or-flight response in humans. One neurotransmitter involved in this response is epinephrine. This excitatory molecule increases blood glucose by signaling the conversion of pyruvate into glucose. Identify a potential target receptor cell of epinephrine in the fight-or-flight response.
A. Liver cells.
B. Cells in the pancreas that produce insulin.
C. There is a specific target cell since epinephrine will work on all cells in the body and only cause a response in cells with intracellular receptors.
D. Lung cells

Answer 1

The sympathetic nervous system (SNS), together with the parasympathetic nervous system and the enteric nervous system, is one of the three divisions of the autonomic nervous system. The autonomic nerve system regulates the body's unconsciously performed actions.

Complete answer:
The major function of the sympathetic nervous system is to activate the body's fight or flight response. It is, nevertheless, always functioning at a fundamental level in order to maintain homeostasis.
The sympathetic nervous system and the parasympathetic nervous system are two parts of the autonomic nervous system. The sympathetic nervous system works similarly to a car's gas pedal. It activates the fight-or-flight response, which gives the body a rush of energy to respond to perceived threats.The parasympathetic nervous system serves as a brake for the body. It encourages the body's "rest and digest" reaction, which soothes the body when a threat has passed.
The hypothalamus activates the sympathetic nervous system by sending messages to the adrenal glands via the autonomic nerves when the amygdala transmits a distress signal. The hormone epinephrine (commonly known as adrenaline) is sent into the bloodstream by these glands in response. Epinephrine causes a multitude of physiological changes when it circulates through the body.
Blood is pushed to the muscles, heart, and other critical organs at a higher rate than usual. The heart rate and blood pressure rise. The person who is going through these changes also begins to breathe more quickly. The lungs' small airways widen wide. With each breath, the lungs can take in as much oxygen as possible. Extra oxygen is sent to the brain, which boosts attentiveness.
During a fight-or-flight reaction, liver cells store glucose in the form of glycogen (glucagon enzyme), which is converted to glucose and released into the bloodstream to provide muscle cells and the brain with the energy needed to respond to the stimuli instantly.
As a result, epinephrine should bind to receptors on liver and adipose cells, which store energy molecules.

So, the proper answer is A.

Note: The senses of sight, hearing, and other senses sharpen. Meanwhile, adrenaline causes blood sugar (glucose) and lipids to be released from the body's temporary storage locations. These nutrients flood the bloodstream, providing energy to every cell in the body.